avia.wikisort.org - EngineThe Austro Engine EA50R is an Austrian aircraft engine, produced by Austro Engine of Wiener Neustadt for use in motorgliders and UAVs.[2][3]
Design and development
The AE50R is based on the MidWest AE50. Diamond Aircraft Industries purchased the design from Mid-West Engines Limited on 10 March 2003 and took over as the type certificate holder. Diamond formed its subsidiary, Austro Engine, to produce the engine.[4]
The engine is a single rotor four-stroke, air and liquid-cooled, 294 cc (17.9 cu in) gasoline Wankel engine design, with a mechanical gearbox reduction drive employing a helical gear set with a reduction ratio of 3.225:1. Cooling is predominantly liquid, with forced air cooling for the rotor core. A starter and generator are standard equipment. It employs dual capacitor discharge ignition with variable ignition timing and produces 55 hp (41 kW) at 7750 rpm.[1][2][3][4]
The engine was originally type certified by Mid-West on 18 Dec 1992 to JAR-22 H, Change 4, dated 13 September 1982, incl. Orange Paper 22/90/1. It was transferred to an EASA Type Certificate under EASA Part 22 Subpart H on 4 April 2011.[1][4]
Variants
- AE50R
- Base version, certified 18 December 1992[4]
- AE50RA
- Version equipped with a conventional dual ignition system and a carburettor, with differing engine attachment point geometry, certified 26 September 2001[4]
- AE50RAB
- Version equipped with a conventional dual ignition system and a carburettor, with differing engine attachment point geometry, certified 26 September 2001[4]
- IAE50R-AA
- Version equipped with electronic dual ignition system and fuel injection system, with differing engine attachment point geometry, with a narrower width of 339 mm (13.3 in), certified 26 September 2001[4]
Applications
Specifications (AE50R)
Data from World Directory of Leisure Aviation 2011-12[2]
General characteristics
- Type: Single rotor, four-stroke Wankel aircraft engine
- Displacement: 294 cc (17.9 cu in)
- Length: 585 mm (23.0 in)
- Width: 310 mm (12.2 in)
- Height: 300 mm (11.8 in)
- Dry weight: 27.8 kg (61.3 lb)
Components
- Fuel type: Avgas 100LL or RON 95 Unleaded
- Cooling system: liquid (50% glycol, water) and forced air cooling for rotor core
- Reduction gear: mechanical gearbox helical gear reduction drive, a reduction ratio of 3.225:1
- Power output: 55 hp (41 kW) at 7750 rpm
- Compression ratio: 9:1
- Power-to-weight ratio: 0.9 hp/lb (1.48 kW/kg)
See also
Related lists
References
- Austro Engine (2010). "AE50R" (PDF). austroengine.at. Archived from the original (PDF) on 28 November 2016. Retrieved 8 July 2015.
- Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, pages 238-239. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- Austro Engine. "Products". austroengine.at. Retrieved 8 July 2015.
- European Aviation Safety Agency (4 April 2011). "EASA.E.085" (PDF). easa.europa.eu. Retrieved 8 July 2015.
External links
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