Continental O-526

O-526

The sole Cessna 620, powered by Continental GSO-526A engines
Type	Piston aircraft engine
National origin	USA
Manufacturer	Continental Motors
Major applications	Cessna 620

The Continental O-526 is a family of air-cooled flat-6 aircraft piston engines built by Teledyne Continental Motors.^[1]

Development

Constructiuonally similar to the O-470 series the O-526 has larger cylinders of increased bore and stroke, giving a displacement of 526 cu in (8,620 cc). The O-526 was introduced with reduction gearing and a supercharger as the GSO-526 for the Cessna 620

Specifications (GSO-526)

Data from Jane's all the World's Aircraft 1955-56.^[1]

General characteristics

Type: 6-cylinder air-cooled horizontally opposed aircraft piston engine
Bore: 5.125 in (130.2 mm)
Stroke: 4.25 in (108 mm)
Displacement: 526 cu in (8.62 l)
Length: 52.8 in (1,340 mm)
Width: 36 in (910 mm)
Height: 23.9 in (610 mm)
Dry weight: 540 lb (240 kg)dry

Components

Fuel type: 91/96 Octane
Cooling system: Air-cooled

Performance

Power output: 320 hp (240 kW) at 3,000 rpm for take-off
Specific power: 0.58 hp/in³ (26.5 kW/l)
Compression ratio: 6.0:1
Power-to-weight ratio: 0.593 hp/lb (0.97 kW/kg)

References

Wikimedia Commons has media related to Continental O-526.

1 2 Bridgman, Leonard (1955). Jane's all the World's Aircraft 1955-56. London: Jane's all the World's Aircraft Publishing Co. Ltd.

Continental Motors aircraft engines

Opposed piston engines
(Gasoline)

By company horsepower designation	A40 A50 A65 A75 A80 C75 C85 C90 C115 C125 C140 C145 E165 E185 E225 Tiara series

By displacement	O-170 O-190 O-200 O-205 O-240 O-280 O-300 IO-346 IO-360 IO-368 O-470 O-520 O-526 IO-550

Aircraft Diesel engines

Radial engines

R-670
R-975

Inverted-V engines

XI-1430

Turboprops

TP-500

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