TBM 12
Type Aircraft engine
National origin Germany
Manufacturer Take Off GmbH

The Take Off TBM 12 is an aircraft engine, designed and produced by Take Off GmbH of Hamm, Germany, for use in ultralight and homebuilt aircraft.[1]

Design and development

The TBM 12 engine is a twin-cylinder four-stroke, horizontally-opposed, 1,185 cc (72.3 cu in) displacement, air-oil-cooled, gasoline engine design, with a helical gear mechanical gearbox reduction drive with reduction ratios of 3.5:1, 2.58:1, 2.13:1 and 1.8:1. It employs electronic ignition and produces 115 hp (86 kW) at 7200 rpm, with a compression ratio of 13.1:1.[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 12)

Data from Tacke[1]

General characteristics

  • Type: Twin-cylinder, four-stroke aircraft engine
  • Bore: 79 mm (3.1 in)
  • Stroke: 59 mm (2.3 in)
  • Displacement: 1,185 cc (72.3 cu in)
  • Dry weight: 73 kg (160.9 lb)

Components

Performance

  • Power output: 115 hp (86 kW) at 7200 rpm

See also

Related development

Related lists

References

  1. 1 2 3 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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