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[1] [2] This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block. [3] Single overhead camshaft (SOHC) engines have one camshaft per bank of cylinders. Dual overhead camshaft (DOHC, also known as "twin-cam" [4]) engines have two camshafts per bank. The first ...
A twin-boom aircraft has two longitudinal auxiliary booms. These may contain ancillary items such as fuel tanks and/or provide a supporting structure for other items. Typically, twin tailbooms support the tail surfaces , although on some types such as the Rutan Model 72 Grizzly the booms run forward of the wing.
Aircam at Lake County Airport (Colorado), highest airport in the U.S. Pusher engine installation of two Rotax 912ULSs in a Lockwood Aircam. The Lockwood Aircam (also called the Air Cam and AirCam) is a high-wing, twin engine pusher configuration aircraft with conventional landing gear, based on the single engine Lockwood Drifter and sold in kit form by Lockwood Aircraft.
At a time when aircraft crank engine had a life of 30 to 50 hours, the Model 447-C was far more robust than any other aircraft engine then in production. [12] However, in this pre-CNC age it had a very poor cam profile, which meant it shook too severely for the wood propellers and the wood, wire, and cloth airframes of the time.
A twinjet or twin-engine jet is a jet aircraft powered by two engines. A twinjet is able to fly well enough to land with a single working engine, making it safer than a single-engine aircraft in the event of failure of an engine. [1] Fuel efficiency of a twinjet is better than that of aircraft with more engines. [2]
It was used as an engine testbed for many years, with either a single engine mounted centrally above the wing or twin engines above each fuselage. The Boerboon & Coller Yak-110 is an aerobatic type conceived to be eyecatchingly different. Featuring twin Yak-55 fuselages with a third, centrally-mounted jet engine, it is the only trimotor cleared ...
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. [1] Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many small UAVs have used electric ...
The Rutan Boomerang is a twin-engined light aircraft featuring an 'outrigger' engine and boom beside a conventional fuselage with the engine at the front. The ARES was a prototype ground attack aircraft with a single engine intake on the left side of the aircraft, while a Gatling gun was mounted on the right side. This avoided the problem of ...