Continental C85

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The Continental C75 and C85 engines were made by Continental Motors in the 1940s, both sharing the US military designation O-190. Of flat-4 configuration, the engines produced 75 hp (56 kW) or 85 hp (63 kW) respectively.

The C75 was in production from 1943 to 1952, and the C85 from 1944 to 1970.

Contents 1 Applications 1.1 C75 1.2 C85 2 Specifications (C85) 3 References

[edit] Applications

[edit] C75

• Auster Arrow
• Commonwealth Trimmer
• IPT Bichinho
• Ercoupe 415
• Thorp T-11

[edit] C85

• Aerauto PL.5C
• Aero-Flight Streak
• Aeronca 7BC 7DC, 11BC, 11CC, and 12AC
• All-American Ensign
• Ambrosini Rondone
• Bumble Bee II
• Cessna 120 and 140
• Commonwealth Skyranger and Trimmer
• Culver V
• Druine Turbi
• Emigh Trojan
• Ercoupe 415
• Fleet 80 and 81
• Funk B-85
• Globe Swift
• Iberavia Peque
• Jurca Tempête
• Heinonen HK-1
• IPT 13
• Limbach Gusty
• Lombardi F.L.3
• Luscombe Silvaire
• Macchi MB-308
• Paul Baumgartl PB-63
• Phoenix Major
• Piel Emeraude
• Taylor Titch
• Taylorcraft 19
• Starr Bumble Bee
• Stits Playboy

[edit] Specifications (C85)

General characteristics

• Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
• Bore: 4.0625 in (103 mm)
• Stroke: 3.625 in (92 mm)
• Displacement: 188 in³ (3.1 L)
• Dry weight: 180 lb (81 kg)

Components

• Cooling system: Air-cooled

Performance

• Power output: 85 hp (63 kW) at 2,550 rpm

C85 engines are designated as C85-8, C85-12, etc. These various "dash" numbers and letters indicate the following:

   -8:     Dual mags on the accessory case but no provision for starter and generator
   -12:    Accessory case pad mounts for starter and generator
   -14:    Provision for starter and generator, and "Lord" engine  mounts (late Cessna l40 only)
   F:      Flanged crankshaft (engine was made with the taper shaft crank first, then a flanged crank later)
   J:      Pad on nose of the engine for a fuel injection pump

Example: C85-12FJ indicates a 85 horsepower engine with starter and generator, flange crankshaft, and fuel injector.

C85 -8 and -12 engines have different accessory sections, different rotation of tachometer drive, and the magnetos are NOT interchangeable with the earlier A or C-75 engines. You cannot convert a -8 engine to a -12 engine in the field, or vice versa due to the machine work required.

[edit] References

• Gunston, Bill. (1986) World Encyclopedia of Aero Engines. Patrick Stephens: Wellingborough.
• Erickson, Jack. Horizontally-Opposed Piston Aero Engines

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