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The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2. [4] The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by 3 ⁄ 16 inch (4.8 mm), developing 210 hp (160 kW). [5] [6]
The Lycoming O-320 is a large family of naturally aspirated, 320 cu in (5.2 L) air-cooled, horizontally-opposed four-cylinder, direct-drive engines produced by Lycoming Engines. Introduced in 1953, it is commonly used on light aircraft such as the Cessna 172 and Piper Cherokee , and remains in production as of 2024.
Lycoming Engines is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania , Lycoming produces a line of horizontally opposed , air-cooled, four, six and eight-cylinder engines including the only FAA -certified aerobatic and helicopter piston engines on the market.
[1] [2] Robinson R22 Beta II with Lycoming O-360-J2A engine. O-360-J2A 145 hp (108 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the C1C except has O-320-B2C prop flange bushings, lightweight cylinders and lower power rating for helicopter use. [1] [2] This engine is used in the Robinson R22 helicopter.
The Lycoming IO-720 engine is a large displacement, horizontally opposed, eight-cylinder aircraft engine featuring four cylinders per side, manufactured by Lycoming Engines. [ 1 ] There is no carbureted version of the engine, which would have been designated O-720 and therefore the base model is the IO-720.
[2] VO-435-A1E Vertically-mounted engine model for helicopters, with a dry sump oil system and 6RN-200 or S6LN-204 magnetos. It produces 260 hp (194 kW) at 3400 rpm for takeoff, with a compression ratio of 7.3:1, a dry weight of 392 lb (178 kg) and fitted with a Marvel MA-4-5AA carburetor. Type certified on October 15, 1959. [2] VO-435-A1F
The average home value, meanwhile, climbed to $359,099 in October, up by 2.6% annually, Zillow said. And per Freddie Mac, the rate on the 30-year fixed mortgage edged up to 6.84% last week.
The Lycoming TIO-541 engine is a turbocharged, fuel-injected, horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines. [ 1 ] [ 2 ] The TIO-541 family of engines includes the TIGO-541 turbocharged, fuel-injected, geared, horizontally opposed engine.