Take Off TBM 11

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]

TBM 11
Type Aircraft engine
National origin Germany
Manufacturer Take Off GmbH

Design and development

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.[1]

The engine is based upon a BMW motorcycle engine design.[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]

Specifications (TBM 11)

Data from Tacke[1]

General characteristics
  • Type: Twin-cylinder, four-stroke aircraft engine
  • Bore: 101 mm (4.0 in)
  • Stroke: 73 mm (2.9 in)
  • Displacement: 1,085 cc (66.2 cu in)
  • Dry weight: 74 kg (163.1 lb)

Components
  • Fuel type: gasoline
  • Cooling system: air-oil
  • Reduction gear: clutch and damper

Performance

See also

Related development

Related lists

References
  1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. Take Off GmbH. "Motoren". www.takeoff-ul.de. Retrieved 19 April 2018.
  3. Take Off GmbH (2006). "two-cylinder four-stroke engine with spur gear and centrifugal clutch" (PDF). www.takeoff-ul.de. Retrieved 19 April 2018.
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