Robinson R44
Videos
The Robinson R44 is a four-seat light helicopter produced by Robinson Helicopter Company since 1992. Derived from the company's two-seat Robinson R22, the R44 features hydraulically assisted flight co
Robinson R44 II
Robinson R44 Raven II at an air show, 2007
Closeup of the R44 tailrotor
Robinson Helicopter tow cart connected to R44
Lycoming O-540
Videos
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 displacement, manufactured by Lycoming Engines. The eng
Robinson R44
…less powerful engine and a more efficient muffler. Robinson has carried out ground run testing with an aircraft diesel engine that could replace its Lycoming IO-540 avgas engine. The diesel could provide better altitude performance, a fuel burn reduced from 16 to 12 US gal (61 to 45 L) per hour and better fuel…
AEIO-540
Lycoming TEO-540
An LTIO-540 mounted on the right wing of a Piper Chieftain: The turbocharger can be seen in the upper right of the image.