Paintball equipment

Paintball is an equipment intensive sport and in order to safely conduct a game, every player requires a marker with propellant to fire the paint, a mask to protect the eyes and face, paintballs, and a loader to hold them. To ensure safety off the playing field, a barrel sock or plug for the marker is also compulsory.

Depending on type of play, additional equipment can include gloves, a pack designed to comfortably carry pods containing extra paintballs, and a squeegee or swab for cleaning out the barrel in case a paintball breaks. Players may also elect to wear padding or armor in order to reduce the impact of incoming paintballs.

Markers

Main article: Paintball marker

A paintball marker is the primary piece of equipment used in paintball to tag an opposing player. An expanding gas (usually carbon dioxide or high-pressure air) forces a paintball through the barrel at a muzzle velocity of approximately 90 m/s (300 ft/s). This velocity is sufficient for most paintballs to break upon impact at a distance, but not so fast as to cause tissue damage beyond mild bruising. Nearly every commercial field has, and strictly enforces, a rule limiting the muzzle velocity of a paintball at or below 90 m/s (300 ft/s). Speeds above 250 are typically needed to ensure the paintball breaks on impact; the field limit is thus usually somewhere in between, often 260-280fps. The technology used to design and build paintball markers has advanced over time, beginning with the original "Nel-Spot" bolt-action pistols, progressing to pump-action markers, then to semi-automatic mechanical markers, and finally culminating in the electropneumatic paintball marker.

In mechanical designs, the trigger manipulates a sear, which is holding a hammer, ram, or sealed gas chamber in its resting state. Pulling the trigger releases the sear, allowing the marker's action to cycle. There are a variety of mechanical designs, the most common being the "blow-back" marker, which utilizes a spring-loaded ram released by the sear to open a pin valve; the pressurized gas released through the valve is directed through the bolt to fire the marker, and also pushes the ram back where it is caught again by the sear, resetting the action for the next shot. There are other systems that saw success in earlier days of the sport, such as blow-forward (AGD Automag) and pneumatically actuated recocking (WorrGames Autococker); elements of these designs were carried forward into modern electropneumatic designs but the original examples of these mechanisms are rarely seen today.

In electropneumatic designs, the trigger, instead of being mechanically linked to the action of the marker, simply activates an electronic microswitch (or more recently, a magnetic or optical sensor). That information is passed through control circuitry to a computer-controlled solenoid valve which can open and close very quickly and precisely, allowing gas to move into or out of various pressure chambers in the marker to move the bolt and fire the paintball. This disconnect of the trigger from the action allows electronic trigger pulls to be very short in length and very lightweight (similar to a mouse click; the mechanisms are virtually identical), which dramatically increases rate-of-fire over a fully mechanical design. Solenoid-controlled gas valve designs also allow for reduced weight of internal parts, which both lightens overall weight and reduces the time it takes for the marker to cycle through firing a single paintball.

In fully electropneumatic designs, there are two primary mechanism types:

In addition to fully electropneumatic marker designs, electronic trigger frames, with a solenoid-controlled sear, can be fit to most mechanical "blow-back" designs, such as the Kingman Spyder line of entry-level markers. These allow the high rates of fire seen in full electropneumatic designs at a very low cost compared to higher-level markers; however they typically have both the higher recoil of poppets (even worse, typically, as the designs use a traditional high-mass hammer driven forward by a spring) and relatively low gas efficiency due to a single operating pressure.

Contrasting this move toward high rates of fire, there is also a strong following of stock-class paintball games, where players use older, purely mechanical pump-action marker designs to purposefully limit rate of fire. Pump markers require the player to recock the marker, using a pump handle similar to a pump-action shotgun, before each shot. Stock-class games and competitions require the use of pump markers, and also often limit the types and capacities of propellant sources and loading mechanisms that players may use. With the decreased rate of fire and carrying capacity, increased need for reloads of both paintballs and propellant, and the generally quieter report of these markers, stock-class play places more emphasis on accuracy, stealth, and tactics.

MilSim

Markers which are designed to resemble real guns are referred to as military simulation, or MilSim. They include, for example, the Tippmann X7 and the U.S. Army developed Alpha Black (which resemble an M16), RAP4's T68 Paintball Markers (Which resemble the M4 Carbine, has an internal Air or CO2 tank and is magazine fed), or Smart Parts SP8 (based upon the German Heckler and Koch Prototype XM8, and much of the Armotech product line).

MilSim markers are used almost exclusively in Woodsball and military scenario games, though with a few modifications the markers can be competitive in the speedball arena, although they tend to be at a major disadvantage. High-end MilSim markers are sometimes claimed to be more rugged than high-end speedball markers, but are heavier and tend to operate at slower rates of fire and tend to be made of cheaper materials than markers designed for tournament play. They can feature camouflage or black coloring (rather than the bright colors found on some tournament markers), since stealth is of more value in the woodsball environment. MilSim markers may use hoppers, or magazines similar to real automatic weapons. Many come with a shoulder stock and use a coiled remote line connected to a tank of propellant usually carried on the players back, in order to follow the MilSim look and to lighten the marker up and make it more maneuverable.

MilSim markers can be problematic, in that they can possibly be confused with actual firearms by others not aware of the nature of the device. This can result in dangerous situations, especially if law enforcement has difficulty discerning the differences between a real-life weapon, and a MilSim marker; in a pre-combat situation, the time allotted to identify an alleged armed target is minimal.

Propellants

Paintball markers are powered by the expansion of gas stored in a compressed gas bottle. The two most common forms of compressed gas are carbon dioxide and high-pressure air (HPA).

Carbon dioxide

A typical CO2 canister

Because CO2 becomes a liquid when compressed, it must expand to a gas in order to be used by most paintball markers, although several older models actually require liquid CO2 in order for proper operation.[1] This expansion is not adiabatic and requires energy, causing the tank to cool as heat is used to expand the liquid CO2 into gas. Eventually, under sustained fire, and especially in cold weather, the tank can become so cold that ice crystals form on it. If the CO2 bottle does not have an anti-siphon tube fitted, or is shaken while firing, the liquid CO2 may enter the marker. The liquid CO2 then passes through the marker instead of the tank, evaporating and causing the marker to freeze. This results in large clouds of CO2 vapor ejected from the marker upon firing, caused by the liquid CO2 evaporating in/around the barrel. This is known as "drawing liquid". This can cause damage to internal seals and O-Rings, and can "freeze" some markers, putting it out of commission for some time while it warms back up. Simple operation designs such as in-line blow-back (most Tippmanns), guns designed before HPA was more widely used, or guns using 12-gram CO2 powerlets are usually not affected by this problem, but it can still cause damage to the marker over time. For this particular reason, most high-end markers recommend that you use HPA. Technically, CO2 and HPA can propel the paintball, but when high rates of fire are attained, liquid is sucked into the marker which can damage or even destroy electrical components inside the marker such as the solenoid. Never leave a CO2 container in sunlight, as the heat will cause the gas to expand to a dangerous level. The tanks include safety valves in their construction, but there is no need to use them or take unnecessary risks.

With normal back-bottle setups (or, air systems utilizing a horizontal air source adapter, more commonly called an ASA), the less dense gaseous CO2 will rise to the top half of the tank. Normally, ASAs are angled slightly so the gaseous CO2 is always available at the valve of the tank. Special devices known as anti-siphon tubes extend the mouth of the valve, and provide only CO2 from the top part of the tank.

During rapid successions of shots, gaseous CO2 is used up. Liquid CO2 will take some time to evaporate and rebuild the internal pressure. This process causes potentially large changes in velocity and therefore, in accuracy and range.

High-pressure air or N2

A Pure Energy N2 tank with a remote line attached

Paintball markers can use high-pressure air or N2 for propellant, to attempt to offset issues with other types of propellants. When nitrogen or HPA (High Pressure Air) is compressed, it remains a gas. When it expands, it also cools the tank, due to the Joule-Thomson effect, but at a far lower rate than liquid CO2 because it does not have to change from liquid to gas. The lack of this transition reduces the variation in pressure associated with rapid successions of firing cycles, improving accuracy.

However, because these propellants are stored at higher pressures (up to 34 MPa (4,900 psi)) while liquid CO2 is stored at around 8 MPa (1,200 psi), tanks for nitrogen and HPA are more expensive and heavier. The tanks themselves can either be filled with pure N2 or compressed air, which is 79% N2. Tanks smaller than 1.1 L (67 cu in) may not last heated matches, while larger tanks are cumbersome and require mounting options that create a larger marker profile.

There are two different kinds of HPA tanks in paintball. There are steel tanks which are preferred by younger players looking to use HPA, because while steel tanks are heavy, and only hold about 21 MPa (3,000 psi), they are also much cheaper to buy (at about US-$50, only slightly more than CO2 tanks). The second kind of tank is made from Carbon Fiber, which is much lighter and stronger than steel (being able to contain 31 MPa (4,500 psi) and in some rare cases, 35 MPa (5,100 psi) as opposed to only 2,100 psi that a steel tank will hold). Generally, Carbon Fiber tanks are preferred by more experienced players, and players with a larger budget, because they are very reliable and have proven themselves worthy of their generally hefty price tags.

HPA tanks are generally filled from specially designed air compressors which are made to create extremely high pressures (unlike shop compressors). Although HPA tanks may in theory be refilled from other sources of compressed air such as a conventional scuba tank or a general-purpose air compressor, the pressure available from these sources is far below the pressure that HPA tanks are designed for. For example, shop compressors create around 6,900–13,800 hPa (100–200 psi) range, an order of magnitude less than HPA tanks are designed for (typically in the range of 21–31 MPa (3,000–4,500 psi)). HPA tanks are filled from a nipple instead of the ASA valve, which allows them to be filled while the tank is still attached to the paintball marker.

Propane

In 2005, Tippmann introduced the Tippmann C3 with PEP (Propane Enhanced Performance); the first paintball gun to use propane as a propellent.[2] This increased the number of balls that could be shot before needing to refill the tank (around 100 times more: which gives 50,000 shots per 470-millilitre tank), as well as having a lower gas pressure.

Comparison

Nitrogen is generally preferred over carbon dioxide for a few reasons. Nitrogen will not liquefy and leak into the marker, while if the CO2 tank doesn't have an anti-siphon tube installed, or if there is no expansion chamber or regulator, liquid CO2 can leak into the marker, causing damage to O-rings and dangerous overpressures. The solenoid valves on electro-pneumatic markers are particularly sensitive to this, and thus many manufacturers will specify to use only nitrogen or HPA with their electro-pneumatic markers. Nitrogen generally has a more consistent shot than CO2. This is because when the playing area is warm, the CO2 will expand more rapidly from the liquid form, causing the marker to fire at a higher velocity. But when the temperature is lower, the expansion occurs more slowly, causing a decrease in the velocity of the shot. This is especially apparent during rapid firing while using CO2. The rapid discharge of CO2 causes the temperature of the liquid CO2 to drop dramatically, resulting in a significant loss in pressure. The effect of temperature on HPA or nitrogen, on the other hand, is negligible. However, CO2 tanks are significantly cheaper than nitrogen tanks. The nitrogen tanks traditionally cost slightly less to be filled than the CO2 tanks at approximately three to five US dollars. Also, many fields offer better rates for HPA fills due to the lower cost to the field; HPA is generally cheaper to procure as it has myriad industrial applications, and the field can even purchase the equipment to pressurize their own cylinders on-site. CO2, on the other hand, must be separated from other gases before bottling, usually through super-cooling air to the condensation point of each gas, a process that requires far more sophisticated and expensive equipment.

Masks

A typical paintball mask with a MARPAT cover

Sometimes called "goggles", masks are safety devices that players are required to wear. These completely cover the eyes, mouth, ears and nostrils of a person. Some masks even feature throat guards. The lenses are designed to protect against paintballs traveling up to 90 m/s (300 ft/s), but are not guaranteed to withstand impacts at greater speeds.[3]

Double-layered or "thermal" lenses are also available. These lenses are much less prone to fogging. These work by separating an inside and an outside lens with an air chamber, that allows for the difference in temperature between the inside and the outside of the mask without forming condensation. However, if any moisture whatsoever somehow gets in between the two lenses, the inner faces of both lenses will fog, and it will take a very long time to dry out, if it does at all.

Fogging masks can be a significant hazard while playing. Besides the lost vision, players may be tempted to remove their mask and expose themselves to serious eye injuries.[4] To reduce fogging of lenses while playing, some masks include electric fans that remove humidity and dry the lens. This is especially useful for situations that require wearing the mask for extended periods of time, such as wood play, large games, or being a referee. Finally, there are many anti-fog topical solutions that players can apply .

The exterior of the thermal lenses (or the lenses, in non-thermal masks) is usually made of Polycarbonate. This material provides excellent impact resistance. Because polycarbonate is soft, these lenses are manufactured with anti-scratch coatings. But great care must be taken to keep proper care of the lenses. Many vendors recommend the immediate replacement of very scratched lenses, or lenses subjected to very strong impacts.

Generally, more expensive masks tend to be smaller (which in turn makes the player a smaller target), more comfortable, have more interchangeable parts and be made of soft enough material to get some bounces.[5]

It should be noted, that while playing paintball, even just shooting at the ground or trees, wearing proper paintballing masks is mandatory for safety. Some paintballs are very thick and can bounce off the ground, and other objects, and hit people.

Hoppers/loaders

Hoppers contain the paintball supply for a marker, much as magazines contain the ammunition on a regular rifle. With few exceptions, hoppers are all mounted above the marker, and most use gravity as the ultimate force to get the balls in the marker. That is to say, if most hoppers are turned upside down, the marker will not be fed with balls and will cease to fire.

There are three main types: Gravity Feed, Agitated Feed, and Force Feed loaders.

Gravity Feed hoppers often get jammed up with balls at the feed neck, which can result in a marker 'dry firing' (firing without paint) or chopping balls due to the timing of the ball entering the marker. This is detrimental to the speed and performance of the marker.

Agitated Feed hoppers improve on the Gravity method of feeding the marker. Some use simple agitation levers or paddles inside the hopper to shake up the balls and guide them down the feed neck. Others (sometimes colloquially known as 'revies') use a paddle wheel inside the hopper to force any balls reaching the bottom of the hopper into the feed neck. Agitated Feeders need gravity to keep the balls rolling toward the bottom of the hopper before they can reach the loading mechanism. The 'Revo' with 'Z-Board' uses an electric motor to spin the paddle wheel at high speed and this method remains one of the fastest loading systems as of March 2013.

Force Feed loaders create a stack of paint balls leading into the marker. Most of these hoppers maintain a constant tension on the ball stack to ensure that once a paintball is fired, a new one immediately takes its place. A special feed tube is sometimes used to allow placement of a hopper below the chamber, giving the marker a much lower profile. Any hopper-based loading system still relies on gravity to get paint into the drive portion of the loader itself. The 'Warp' loader uses an electric motor to rotate two silicone discs with ball-shaped divots, which add each ball to a stack headed down the feed tube into the chamber.

Helical Feed loaders are a form of Force Feed loader which use helix (or coil) shaped clips. In most designs, each clip is preloaded (typically before a match begins) with paintballs which are stacked under constant pressure to ensure a continuous feed of balls into the chamber. One drawback to this pressure is that paintballs stored in the clip will become deformed over time, causing jams or inaccuracy. Using a feed tube, these loaders can be mounted under a barrel. Helical feed loaders can fire continuously in any orientation. The 'Q-Loader' system uses a spring-driven clip, eliminating the potential noise of a motor driven system. The 'Q-Loader' system is capable of loading 100 balls in less than 3 seconds, though breakage can occur at higher spring tensions.

There is some confusion about the term 'loader'. A loader typically refers to a powered or constant-pressure system, whereas gravity feed systems are generally referred to only as a hopper. In short, a loader system may include a hopper, and a hopper may function using gravity without any loader at all, but the two terms are often used interchangeably.

Paintballs

Original Nelson paint tube produced around 1985 for oil-based paintballs.

Paintballs, also simply called "paint", are spherical gelatin capsules containing primarily polyethylene glycol, other non-toxic and water-soluble substances, and dye. Paintballs are made of materials found in food items, and are edible but taste disagreeable as they tend to dry up the mouth.[6] The use of polyethylene glycol (a laxative) in the fill can also cause gastrointestinal distress in individuals who eat a number of paintballs; therefore, they should be kept out of reach of young children. Early paintballs were made of glass and filled with inedible oil-based paint, since they were made for marking trees and cattle, but modern paintballs should easily wash out of most clothing. The color of the shell does not necessarily indicate the color of the fill.

Most common paintballs and paintball markers are described as .68 caliber (17.3 mm), but many factors affect the exact dimensions. Paintballs and barrels vary in size from .67 caliber to .71 caliber (17 mm to 18 mm). In addition, paintballs are seldom perfectly round and are very sensitive to heat and moisture. A hot or humid day may result in paint swelling or becoming misshapen. Care should be taken to keep paintballs out of the sun and away from moisture. An insulated cooler works well for this on the field.

The gelatin shell of a paintball is designed to break upon impact, although ricochets or "bounces" may occur. There are many types of paintballs, including glow in the dark paintballs for use at night, scented paintballs, and formulations for winter play. When dropped on the ground, groundwater or condensation may swell the paintball, which could cause a jam in the barrel or rupture and foul the internal workings of the marker. Dropped ammunition is known as 'loose paint', and should not be used in paintball markers.

Generally speaking, paintballs of greater price are subjected to more stringent manufacturing processes, quality checks, and standards, making their size and shape more consistent. This is very important for accuracy. Better paintballs also tend to have thinner shells to improve the frequency of breaking on impact rather than bouncing, and thicker, more opaque fills that are more visible and harder to wipe off.

While it is theoretically possible to freeze a water-based paintball, the polyethylene glycol additive drastically lowers the freezing point of the mixture, making it highly unlikely to actually freeze it into something harder than a regular paintball. When introduced to a very cold environment, the paintball's shell will most likely dimple (making it less accurate) and the shell will become brittle. In fact, some professional speedball teams will cool their paintballs in a freezer to make the paint more brittle.

U.S. SWAT teams often use paintball-like balls, also known as pepper balls, filled with oleoresin capsicum, the active ingredient of pepper spray, as a non-lethal incapacitation method. However, pepperballs are shot at a higher velocity than is safe for paintball (above 110 m/s (360 ft/s)) and the shells are not made from gelatin, but rather a frangible plastic to make shots more painful for faster incapacitation. Pepperballs can be shot out of almost any paintball marker.

Recently, HydroTec has released a new paintball. It uses a corn based shell and a fill which is 98% water. The paintball shell tolerates temperatures up to 49 °C (120 °F). These features, along with a unique construction process, make for a much more consistent paintball.[7]

Within Islam, the consumption or even touch of anything pork related is not allowed or considered to be haram (which means prohibited). So there have been requirements for Muslim players to use paintballs which are "Halal" which means approved by Islam. These paintballs are made from beef gelatine. These are often called "Halal paintballs".

Reusable paintballs

A reusable ball is a foam substitute for a paintball; one common brand is Reballs. Most reusable paintballs are the same size as normal paintballs, but weigh slightly more and do not contain a paint filling. As they do not break open to leave a paint mark on players, they are practical for indoor locations where accumulation of paint from broken paintballs would be a problem. This makes this form of paintball questionable, since no mark of paint is left, it allows players to cheat much more easily. A Reball is more expensive than a paintball, but since they can be cleaned and reused many times, they potentially have a lower cost per use. Some paintball parks have added dedicated reball fields, and some fields have actually gone exclusive with Reballs, eliminating the use of paintballs entirely. The primary use of Reballs, as intended initially by the manufacturer, is as a practice aid for teams who wish to save money by using reusable ammunition. Other manufacturers have created similar products, such as the V-Ball, a Velcro (hence the name V-Ball) reusable paintball. Reballs are also used at a lower velocity because of their inability to break on whoever they hit. For example, a Regular paintball will normally be shot at slightly less than 90 m/s (300 ft/s), while a Reball is supposed to be used at around 73 m/s (240 ft/s). It is noteworthy that the composition of Reballs results in increased ricochets, depending on the surfaces that they hit. Although these paintballs or reballs are cost effective they are not allowed on many courses due the fact that they can get dirt on them and when you try and shoot it again it can damage and weaken the integrity of the barrel

The term 'reusable balls' does not refer to paintballs that have been picked up from the ground.

Clothing

Woodsball players usually wear camouflage clothing.

Paintball clothing needs to be tough and durable. For woodsball, camouflage clothing is effective for blending in with the environment; players may wear army surplus military fatigues, Battle Dress Uniform (BDU), Army Combat Uniform (ACU) or DPM styles. For speedball, however, the small field and artificial obstacles make camouflage ineffective; players therefore will often choose to wear a brightly coloured team uniform for ease of identification. For scenario games, players will tend to dress themselves in a style appropriate to the character or force they are representing. In order to minimize the sting of close-range hits, players often wear extra layers of clothing padding as well.

Clothing worn for tournament paintballing is constrained by tournament rules, which prohibit thick padded materials likely to adversely affect the chance of paintballs breaking on the target.[8] Players need adequate padding to protect the elbows and knees for slides on hard ground and chest protecters for shots to the chest. The player(s) could get seriously injured if these parts are not protected.

Footwear varies enormously between Speedball and Woodsball/scenario games. In woodsball, the rough terrain and uneven, often muddy ground makes footwear with good grip and plenty of ankle support a necessity. This lends itself to boots, either military style or walking/hiking boots. In speedball, however, the added weight of thick boots is a distinct disadvantage, as is the reduction in mobility. Speedball players therefore tend to wear athletic shoes with soft cleats designed for field sports, such as soccer or football.

Common accessories

Drop forward

A drop forward is a marker add-on which is used to reposition the air canister to a more comfortable position, or one which improves the balance of the marker.[9] They usually tilt the canister onto a slight angle and move it forward of its original position. They come in all shapes and sizes, however, so it is a personal preference which direction the tank is "dropped" - it is possible to mount the tank vertically, reversed or almost any other conceivable position. Most players use it to assist with balancing the marker, or to reduce its total length to make it more maneuverable (particularly if it has an extremely long barrel). Some marker designs do not permit the installation of a stock if the air cylinder is left in its standard location, necessitating a drop-forward if the player wishes to install a stock to improve accuracy.

There is a dispute among many players, however, that a drop forward will make the player's profile unnecessarily tall and wide, as the tank pushes the loader higher up above the head and may cause the player to hold his/her arms out wider in play to make up for the unnatural angle the drop will put on a grip.

Remote line

A remote line

A remote line is a hose (a gas line) which can be connected to a marker and to the tank, which allows the user more freedom of movement while handling the marker, because the tank can now be stored on a pod belt or in a pouch. Their utility lies in decreasing the weight and length of the marker, making it more maneuverable. However, they may get caught in trees and shrub, and if the tank is hit it still counts as a kill, even though it is on the player's back. Remote lines are not frequently used by tournament players, as it adds unnecessary weight (and the presence of the gas tank is factored into the design of tournament markers, making them extremely unbalanced if the tank is removed).

Some remote lines utilize a slide check as a valve.

Pod

A pod full of paintballs

Pods, also known as guppies or simply tubes, are simply rigid tubular plastic containers which hold paintballs. The most common pod size holds about 140 paintballs; however, other sizes are available, and 100 paintball pods are common at rental sites, while there are also pods for smaller paintball pistols which only have the capacity of 10 paintballs (such pods are usually called tubes). Standard pods use a spring-loaded plastic top to enable them to be opened quickly and single-handedly. There are variations - for example, Dye Lock Lid pods which use a simple locking mechanism to ensure they won't open accidentally, or Syn Shockpods, which are engineered to be able to be shaken vigorously without the paint inside breaking. The oldest and largest manufacturer of pods is Allen Paintball Products in Ohio USA, they have been making paintball products since 1987.

Harness

Harnesses, or pod packs, are hip-worn belt packs or full vests that hold pods full of paintballs, and in some cases the player's gas tank if using a remote line.

Most hoppers hold about 200 paintballs, and many modern electropneumatic markers can empty a full hopper in 10 seconds of sustained fire. In woodsball, and especially in scenario paintball, a player may be away from a base at which they can reload for an extended period of time. In speedball, the necessity of suppressing fire requires a very large amount of paint for a single game or match. In both cases, a harness with pods allows a player to have a portable supply of paint, without weighing down his or her marker with an enormous hopper. Harnesses capable of carrying a tank in addition to pods are usually labeled with a +1 (e.g. A harness capable of carrying four pods and a tank would be labeled 4+1). In addition, newer harness design make use of collapsible "expansion sleeves" in between the "main" sleeves. Packs with expansion sleeves are generally labelled X+Y, for instance 4+5, and indicate the number of main sleeves followed by the number of expansion sleeves. Some packs have multiple "tiers" of expansions or extra sleeves in very different locations on the harness, and may be labelled 4+3+2 where the last number is the additional set of expansions.

Harnesses for speedball tend to consist of a bellyband with sleeves in the back for the pods, and are designed to carry widely varying amounts of paint while maintaining a small profile. They more often have expansion sleeves, though some woodsball harnesses feature them as well. Pods most often face lid-down, so that any pod can be reached by either of the player's hands and pulled out quickly, regardless of how the player is situated. Speedball harnesses rarely feature tank pouches; speedball players must refill tanks often, and switch hands often to lean out from the left or right of a bunker, both of which are made more complicated when using a remote line. For speed and convenience, speedball players often temporarily discard empty pods on the ground and retrieve them between games; for this reason, ease of reloading pods into the harness is often a secondary concern to player profile and ease of access.

Harnesses for woodsball have features designed to aid concealment, such as camouflage colors. Simpler harnesses consist of a belt pack with a number (usually 4, 6, or 8) of formed pockets for pods. They less often feature expansion sleeves (though some do). They are more likely to have the pockets side-facing, or in front of the player, which allows the player to more easily place an empty pod back in its pocket. This is necessary as discarding and retrieving "spent" pods is infeasible on a woodsball field consisting of many acres of dense forest. They usually, but not always, feature a tank pouch, allowing use of a remote line with a "mil-sim" marker for added realism.

Squeegee

A "cable" squeegee

Squeegees are used to clean out debris from the barrel and breach, including dirt/mud, paint and shells from broken paintballs, and residue from the shells' gelatin coating.

One common design is the "rod squeegee", and consists of a hinge-mounted rubber disc on the end of a plastic rod of sufficient length to reach the full length of the barrel. The rubber washer end is inserted sideways into the barrel, pushed to the bottom and subsequently withdrawn with the rubber disc rotated ninety degrees (so that the disc now touches the inner circumference of the barrel and scrapes the paint out). Such designs often place the hinged disk on an inner cable or rod that is manipulated by a trigger at the other end; by pulling the trigger, the disk is forced to rotate into contact with the barrel surface.

For situations where the marker's bolt or barrel can be quickly removed, a "cable squeegee" may be used. A cable squeegee is simply one or more rubber disks mounted perpendicular to a flexible metal cable (usually with a plastic jacket to avoid marring the barrel's surface). The end opposite the disc(s) (the "pull end") is inserted into the rear of the bolt chamber or the chamber side of the barrel, as appropriate, and fed through until the pull end protrudes from the front of the barrel. The squeegee is then pulled through the breech and/or barrel. Some designs incorporate a swab of an absorbent material that picks up anything the disc(s) leave behind. Because they require removal of the bolt or barrel, they are slower to use than a rod squeegee; however, being composed mainly of a flexible cable, they can be easily coiled up into a very compact size.

A "Battle Swab" is used commonly in speedball for extremely quick cleaning; a double ended stick with soft absorbent fur is simply shoved down the length of the barrel to remove any performance hindering paint or shell. The swab often has a bendable rubber section in the middle so that it can be folded over and stored in a pocket. Battle swabs generally do not clean as thoroughly as other methods, but they can be used in a few seconds where other methods take far longer.

Regardless of the design, as the squeegee is withdrawn, the barrel is perfunctorily cleaned to allow continued use of the marker. This allows the player to reduce the amount of paint or other debris in the marker, which can severely reduce accuracy, without having to remove themselves from play. A more thorough cleaning is recommended once time allows.

Barrel blocks

A barrel blocker in a Tippmann 98 Custom and by itself above.

A barrel block is a family of safety devices that mechanically obstruct the end of the marker's barrel. They are intended to ensure that, should all other safety devices incorporated in the marker fail or be deactivated, a paintball fired by the marker will not leave its barrel and cause injury. Barrel blocks are usually required by commercial fields, to be used on any marker that is in an area where masks are not required.[10] Forgetting to replace it after leaving a game and entering a safe zone will usually earn a warning. Repeated infractions will often result in ejection from the site. This is done for liability reasons and to lower possibility of unexpected injury to anyone around, especially important when involving eye safety. There are two common types of barrel block:

Other equipment

Paint grenades

Although not legal in tournament play, paint grenades may be found in recreational and scenario play. There are two kinds of grenades in use:

This paint is normally a different color to the fill of the normal paintballs used on that field, as spray from a grenade (by definition) must count as a kill. Under most rules, any mark from a paint grenade is sufficient to count as an elimination.

Grenade launcher

Paintball grenade launchers are used in recreational and scenario paintball games to launch paint grenades. They are more accurate than throwing a paint grenade, which gives an advantage. Tippmann products such as the X7 are able to have a grenade launcher attached.

Paint mines

Paint mines are simulated land mines for use in Paintball. Several devices have been designed to spray paint over an area when triggered by passing players. Some of these devices are placed on the ground where, once a person steps on them, forces paint to shoot up and around the target marking the stepper and any nearby teammates.

Smoke grenades

Smoke grenades, also used in military and law enforcement training, may be allowed in a paintball game.[11] In tournament paintball the use of smoke grenades or any other explosive is strictly prohibited.[12] The grenades create a screen of smoke which can obscure the movement of players and make it more difficult for the opposition to hit them. Some large-scale scenarios use military-issue smoke grenades, but for recreational use, smaller commercial 'smokes' are preferred (due mainly to cost and convenience).

Thunderflashes

Alongside paint and smoke grenades, many recreational paintball venues sell small thunderflashes for use during games. These are effectively black-powder fireworks which explode with a loud bang, but have a sufficiently small blast to be thrown at opposing players with reasonable safety (provided they do not attempt to pick them up). They are used in the same way as the explosive paint grenades described above.

In practice, thunderflashes have little purpose in a paintball game; their effectiveness at their supposed task of disorienting the enemy is dubious. Nevertheless, they are popular with occasional players, presumably in emulation of the much bigger flashbangs used by the military.

Slingshots

A variation of paintball uses slingshots instead of markers to propel the paintballs. Because slingshots may shoot faster than 90 m/s (300 ft/s), sometimes up to 150 m/s (490 ft/s), most paintball fields don’t allow them. A normal game usually requires all players to use slingshots, but some games may allow certain players to use pump-action markers vs. slingshots, such as Cowboys and Indians.

Airow gun

The Airow gun uses a combination of mechanical and pneumatic power to convert the energy from a compound, or recurve bow. The energy released is generally equivalent to the power generated by a marker. Entire games have been dedicated to the use of Airow Guns, in a fashion similar to that of slingshot paintball.

Paintball bazooka

A "paintball bazooka", or a "paintball rocket launcher" is a modified paintball gun or an item built from scratch to specifically "kill", or "take out" a paintball tank. Most often they fire rockets built from scratch or multiple Paintballs. Many players prefer not to have one because they severely limit what they can do because of the large, hard projectiles they usually fire that can injure a player. The only exception of ones that can be fired at anything besides tanks, and/or buildings are the type that fire multiple paintballs instead of rockets.

Vehicles

Main article: Paintball tank

Paintball tanks are a wide variety of vehicles sometimes used in woodsball events to eliminate large numbers of opponents by using protection and superior firepower. They can range from golf carts covered in plywood to real military tanks with real guns converted to fire paintballs. Many paintball sponsors and businesses sometimes have their own paintball tanks which they take to events. Although local paintball parks usually don't make use of vehicles (since the cost of the vehicle and its maintenance can be prohibitive), tournaments and other 'sponsored' events will often feature several.

Mechanised paintball

As well as infantry-based paintballing, there are also opportunities to take part in more mechanised versions. A number of companies offer experience days featuring an opportunity to drive a "tank" (often actually an armoured personnel carrier) fitted with a paintball "gun".[13] Two such vehicles are then driven around a course, each trying to inflict more paint damage on the other. In a similar vein, Radio controlled model tanks (typically around 1:6 scale) can also be fitted with paintball markers and used in a similar way.[14]

Equipment maintenance

Marker maintenance

A well-maintained paintball marker will last longer and be more reliable. A paintball marker should be disassembled and checked for problems routinely. For example, it is not uncommon for O-rings to break, or for paintballs to break inside the barrel. The latter problem can be solved temporarily when the player is "in the field" by using a pipe-cleaner-like tool referred to as a squeegee. However, it is important to disassemble the marker after the game and properly clean out any affected parts with the marker company's recommended material/solvent (such as a special cloth, or lubricant) and a paper towel. After cleaning, the marker should be lubricated with commercially available paintball lubricant. Most such lubricants are oils or greases derived from formulae used in pneumatic tools (such as Dow 33) or from gun lubricants (such as Gold Cup - http://www.goldcuppaintball.com and KC Trouble-Free oils). However, lubricants marketed as gun oils should not be used, as most commercial brands contain petroleum solvents to remove powder fouling; these solvents will degrade the synthetic rubber o-rings in a paintball marker. The technician should then ensure that the marker is unloaded before firing several shots to blow out any remaining paint and dry out the interior. Replacements for broken parts should only be sourced from the manufacturer of the marker. Many guns also have elements not designed to be maintained by end users (such as solenoid valves); these should not be disassembled, and if they become faulty they are typically replaced outright.

Mask maintenance

If the mask's lens are covered in paint, it is important not to simply wipe the paint off, because doing so may cause debris to scratch the lens. The player should leave the field and clean off the lens using water and a towel or a piece of cloth or you can bring your own.

When thermal lenses are used, water or anti-fog treatment should be applied only to the outer lens, as moisture of any kind between the two lenses will ruin the lens system. The interior portion of a thermal lens is also quite soft and should only be wiped clean with a microfiber lens cloth designed specifically for cleaning glasses or goggles without scratching. Products such as Windex or other glass and spectacle cleaners should never be used, as they are designed to be used on glass rather than polycarbonate. Doing so could damage the anti-fog treatments, or compromise the integrity of the lens, putting the player at risk of serious injury.

A convenient method is to use a cheap small spray bottle to spray water onto the lens rather than pouring it on. Another good lens-cleaning agent is a 50-50 mixture of rubbing alcohol and water. After it is mixed it should be put into a spray bottle for use. Use only a clean cloth on the mask; paper towels will scratch the lenses. Anti-fog spray is also available, which coats the lens in a temporary fog-resistant film. Some new lenses will come "pre-treated" by anti-fog, or the lens will say "fog-resistant" — with these lenses, it is advised that anti-fog chemicals are never used as the chemicals can damage the lens beyond further use.

Lenses should be replaced once a year, as their strength is adversely affected by exposure to sunlight.

Paint to barrel matching

Paintballs generally change shape or size due to differing temperature or humidity, or even due to varying manufacturing processes. If a paintball is larger than the barrel bore, it will at a minimum cause reduced efficiency due to increased friction. Oversized paintballs can also break inside the barrel and coat the inside with paint, causing shot inaccuracy until it is cleaned out. If the paintball is too small for the barrel, air will escape around the paintball when firing, causing a drop in velocity and accuracy. Correcting for this by adjusting the velocity adjuster on the marker could cause a lack of air efficiency.

To check for a good paint-to-barrel match, remove the barrel from the marker and insert a paintball into the barrel. If the paintball simply rolls through the barrel, then the paintball is too small for that barrel. If the paintball does not roll out, then attempt to blow the paintball out of the barrel using your mouth. Ideally, you should be able to easily blow the paintball out, however, if this is not possible and the paintball becomes stuck, then the paintball is too large for the barrel..

Because of the varying sizes of paintballs and barrels, many people opt for an adjustable-bore barrel, commonly called a barrel system or barrel kit. These barrels allow for the user to adjust the internal bore of the barrel to allow for a perfect match for the paint being used. The kits may use pieces called "backs" to adjust bore size, or inserts, which are used in the Scepter barrel kit. Such examples of an adjustable-bore barrel are the Furious Lotus, Sly Dual-Carbon, Powerlyte Scepter, MacDev Matchstick, Smart Parts Freak Barrel, Dye Ultralight, Stiffi Switch Kit, and the Deadlywind Fibur.

HPA tank hydrostatic testing

Since the propellant tanks used by players are subjected to high pressures and stresses, they must be tested in accordance with the laws of the country the player operates in. In the United States, the United States Department of Transportation requires that tanks undergo a hydrostatic test at certain intervals, depending on the manufacture date, exemption certificate granted to the manufacturer for the tank, and tank size.

As a general rule, aluminum tanks have a five-year hydro cycle (meaning they must be tested every five years) and an unlimited service life. Steel tanks must be hydro tested every three years and have a 24-year service life. Fiber-wrapped or carbon fiber tanks have either a three- or five-year hydro cycle with a 15-year service life. It is illegal to fill a tank that is outside of its hydro date. Tanks that have been abandoned, damaged, or are out of service life should have a hole drilled into the bottom of the cylinder to prevent pressurization.

References

  1. ↑ Conrad, H., Lehmkuhler, F., & Sternemann, C. (2009). The Carbon dioxide-water interface of gas hydrate formation. The Journal of the American Chemical Society, 131(2), Retrieved 2010 April 2 from Scopus Database
  2. ↑ Wahjudi, J. (2009, February 17). Tippmann C3. Retrieved from "Tippmann C-3". Retrieved 16 March 2010.
  3. ↑ Guide2Paintball.com, . (n.d.). Paintball face masks. Retrieved from "Paintball Face Masks". Retrieved 8 October 2009.
  4. ↑ Taban, M., & Sears, J.E. (2008). Ocular finding following trauma from paintball sports. Eye, 22(7), Retrieved 2010 April 4 from Scopus Database.
  5. ↑ Redwood, . (2008). Choosing the right paintball masks. Wolf Pack Paintball Team, Retrieved from http://www.wolfpackpaintballteam.com/paintball/paintball-masks.html Retrieved 2010 April 16
  6. ↑ Khan, Sami Khan (February 1994). "My parents said 'No'". Paintball Times. Archived from the original on November 14, 2007. Retrieved 17 April 2010.
  7. ↑ "HydroTec : Ready for Action".
  8. ↑ American Paintball League, . (2003). 2003 standard rule book for tournament paintball. Retrieved from http://www.paintball-apl.com/APL%202003%20Rules%2004-03-03.pdf Retrieved 2010 April 16
  9. ↑ "What in the World is a Drop Forward?". www.paintball-tips-and-tricks.com. Retrieved 5 May 2010.
  10. ↑ Ewing, Bill (January 13, 2005). "Indoor paintball site targets the rapid growth of sport". The Boston Globe. Retrieved 17 April 2010.
  11. ↑ Puente, Kelly (25 March 2010). "Police find spent smoke grenades under 710 overpass". Press Telegram. Retrieved 26 March 2010.
  12. ↑ US Painball League, . (2009). 2009 official rule book. http://www.nppl.com, Retrieved from "NPPL Rulebook 2009" (PDF). p. 14. Retrieved 14 April 2010.
  13. ↑ example of a tank paintball experience day (retrieved 18 August 2010)
  14. ↑ RC tank Combat (retrieved 18 August 2010)
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