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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.
The GO-300 employs a reduction gearbox, so that the engine turns at 3200 rpm to produce a propeller rpm of 2400. The GO-300 produces 175 hp (130 kW) whereas the ungeared O-300 produces 145 hp (108 kW). [1] The GO-300 engine has a TBO (Time Between Overhaul) of 1200 hours, while 1800 hours is the standard for ungeared O-300 engines.
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.
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 .
Print/export Download as PDF; ... Pages in category "Continental aircraft engines" ... Continental O-200; Continental O-240;
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The Continental C115, C125 and C140 aircraft engines were manufactured by Continental Motors in the 1940s, all sharing the US military designation O-280.These engines feature a flat-6 configuration and produce 115 hp (86 kW) 125 hp (93 kW) or 140 hp (104 kW) respectively.
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