Take Off TBM 12
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]
| TBM 12 | |
|---|---|
| Type | Aircraft engine |
| National origin | Germany |
| Manufacturer | Take Off GmbH |
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
- Fuel type: gasoline
- Cooling system: air-oil
- Reduction gear: helical gear mechanical gearbox
Performance
- Power output: 115 hp (86 kW) at 7200 rpm
References
- Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
- Take Off GmbH. "Motoren". www.takeoff-ul.de. Retrieved 19 April 2018.
- Take Off GmbH (2006). "two-cylinder four-stroke engine with spur gear and centrifugal clutch" (PDF). www.takeoff-ul.de. Retrieved 19 April 2018.