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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 Piper PA-44 Seminole is fitted with one LO-360-E1A6D or one LO-360-A1H6 on the right wing along with one O-360-E1A6D or O-360-A1H6 on the left wing to eliminate the critical engine on this twin. LO-360-A1G6D 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1.
By 1961, Lycoming produced 600 to 700 engines per month. [17] Its most successful post-war products were a series of air-cooled flat-4 and flat-6 general aviation engines. Most famous among these are the O-320 and O-360 four-cylinder engines, and the O-540 six-cylinder engine.
Download as PDF; Printable version; In other projects Wikimedia Commons; ... List of Lycoming O-360 variants; Lycoming O-435; Lycoming O-480; Lycoming O-540; Lycoming ...
Production version with a Lycoming O-360 A1A 180 hp (134 kW), type certified 26 July 1960. This differed from the Colonial C-2 in having four foot greater span, revised nose, doors, higher gross weight and reinforcement of the wing and wing-to-fuselage carry-through structure. [2] [3] LA-4A Shorter bow from the Colonial C-2, only two built.
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 ...
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.
The Lycoming O-540 is a family of air-cooled six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engines of 541.5 cubic inches (8.9 L) displacement, manufactured by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-360.