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The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce between 145 and 225 hp (110 and 170 kW), with the basic O-360 producing 180 hp (130 kW).
The Cessna 177B Cardinal uses a Lycoming O-360-A1F6D of 180 hp (130 kW). O-360-A1F6D 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the A1F6 except that it is equipped with one Bendix D4LN-2021 impulse coupling dual magneto instead of incorporating two single magneto. [1] [2] O-360-A1G
O-360-A3A2 Carburetor-equipped model with a thin wall front main bearing journal crankshaft, for a fixed pitch propeller, and a conical style engine mount for a rear propeller governor, that produces 180 hp (134 kW) at 2700 rpm, with a compression ratio of 8.5:1 and with a basic dry weight of 288 lb (131 kg). [2] O-360-A4A2
Replacing the prototype's truss tailboom with a simple aluminum tube as the tailboom, the 269A came with the option for several models of Lycoming O-360 engines: the carbureted O-360-C2D, restricted to 165 hp (123 kW) in the 269A, or the carbureted HO-360-B1A/B1B or fuel-injected HIO-360-B1A/B1B, all rated for 180 hp (134 kW) in the 269A.
Later production Seminoles were built with Lycoming O-360-A1H6 engines. [5] The PA-44-180T Turbo Seminole version was certified on November 29, 1979. It features two turbocharged 180 hp (135 kW) Lycoming TO-360-E1A6D engines, which offer a significant improvement in performance at high density altitude. The Turbo Seminole had its takeoff gross ...
The Cabri is powered by a single 180 hp (134 kW) Lycoming O-360 piston engine, which has been rated to 145 hp (108 kW) max continuous power and 160 hp (119 kW) 5-minute power. [30] [31] [32] The engine incorporates a solid-state electronic ignition system which protects against over-speed upon startup and has greater reliability.
The first production aircraft, powered by a 180 hp (134 kW) Lycoming O-360-A1A engine, first flew on October 21, 1957. In 1958, it was joined by a higher-powered PA-24-250 with a 250 hp (186 kW) Lycoming O-540-A1A5 engine; this model was originally to be known as the PA-26, but Piper decided to keep the PA-24 designation. [2] [3]
Lycoming O-360 powered production variant. SB7L-360A-2 Lycoming IO-390 210 hp variant [7] SB7L-360A-3 ROAMES Short for Remote Observation Automated Modelling Economic Simulation. Two Lycoming IO-390-A1B6 powered variants built for Ergon Energy featuring upgraded avionics, Garmin G500 EFIS cockpit. The aircraft is capable of fully automated ...