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The C90 was introduced in 1947 as a follow-on to the A65, which had been in production since 1939. [7] [8] Many of the designs powered by the C90 are upgraded variants of earlier A65 powered designs, such as the Piper J-3 Cub and PA-11 Cub Special, [9] Aeronca 7AC, [3] and Luscombe 8A. [10] The engine was developed from the earlier O-190 by increasing the stroke 1 ⁄ 4 inch.
Time between overhauls (abbreviated as TBO or TBOH) is the manufacturer's recommended number of running hours or calendar time before an aircraft engine or other component requires overhaul. [ 1 ] On rotorcraft , many components have recommended or mandatory TBOs, including main rotor blades , tail rotor blades and gearboxes .
Restored Continental AV1790-5B tank engine at the American Armored Foundation Tank Museum in Danville, Virginia. TD-300 Diesel Engine. In 1929, the company introduced its first aircraft engine, [3] a seven-cylinder radial designated as the A-70, with a displacement of 543.91 cu in (8.91L) that produced 170 hp (127 kW).
Continental O-300 engine installation in a Cessna 172. The C-145 was developed from the 125 hp (93 kW) C-125 engine. Both powerplants share the same crankcase, although the C-145 produces an additional 20 hp (15 kW) through a longer piston stroke, higher compression ratio of 7.0:1 and different carburetor jetting.
The 130 hp (97 kW) O-240 was a new engine design derived from the six-cylinder Continental O-360 and introduced in 1971. It is generally similar in overall dimensions to the Continental O-200, but with a higher 8.5:1 compression ratio, designed to run on 100/130 avgas. The O-240 delivers 30% more power than the O-200 while it weighs only 12% more.
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All other 160 hp (119 kW) 0-320s are approved for 91 AKI. Airframe approval is also necessary to use automotive gasoline in any certified aircraft. [5] The factory retail price of the O-320 varies by model. In 2010 the retail price of an O-320-B1A purchased outright was USD$47,076 [6]
The Lycoming O-235 is a family of four-cylinder, air-cooled, horizontally opposed, piston aircraft engines that produce 100 to 135 hp (75 to 101 kW), derived from the earlier O-233 engine.