The Take Off TBM 11 is an aircraft engine, designed and produced by Take Off GmbH of Hamm, Germany, for use in ultralight and homebuilt aircraft.
[1] The TBM 11 engine is a twin-cylinder four-stroke, horizontally-opposed, 1,085 cc (66.2 cu in) displacement, air-oil-cooled, gasoline engine design, with a clutch and damper reduction drive with reduction ratios of 3.55:1, 3.2:1 and 2.8:1.
It employs dual electronic ignition and produces 98 hp (73 kW) at 7100 rpm, with a compression ratio of 11.5.
[2] The engine specifications carry a manufacturer's warning that the engine has not been tested, nor is certified for aircraft use, and that neither BMW nor Take Off accept any liability for aircraft use or consequential damages.
[3] Data from Tacke[1] Related development