Haacke HFM-2
| HFM-2 | |
|---|---|
 | |
| HFM-2a on display at the Finnish Airforce Museum | |
| Type | Flat-twin aero engine |
| National origin | Germany |
| Manufacturer | Haacke Motorenbau, Johannisthal (Berlin) |
The Haacke HFM-2 was a German two cylinder flat engine built in the early 1920s.[1]
Variants
From Flight[2]
- HFM-2 (22 kW (30 hp))
- HFM-2a (22–26 kW (30–35 hp)); as HFM-2 apart from 120 mm (4.72 in) bore
Applications
- Albatros L.66[3]
- Dietrich-Gobiet DP.VII[4]
- Dobi-I[5]
- Mayenberger ampibian[6]
- Rieseler R.I[7]
- Rieseler R.II[7]
- Rieseler R.III[8]
- Udet U.1[9]
- Udet U.2[10]
Engines on display
Specifications (HFM-2)
Data from Flight[2]
General characteristics
- Type: Four-stroke horizontally opposed twin cylinder
- Bore: 112 mm (4.4 in)
- Stroke: 140 mm (5.5 in)
- Dry weight: 60 kg (132 lb)
Components
- Valvetrain: Overhead valve
- Oil system: Camshaft-operated twin plunger pumps
- Cooling system: Air-cooled
Performance
- Power output: 22 kW (30 hp) at 1,300 rpm
See also
- Comparable engines
- Related lists
References
 |
Wikimedia Commons has media related to Haacke HFM 2. |
- ↑ "Aerodromas » History". aleksotasair.lt. Retrieved 2017-02-23.
- 1 2 "The Haacke 30 hp aero engine". flightglobal.com. Retrieved 2017-02-23.
- ↑ "The German exhibits". Flight. Vol. XV no. 24. 12 June 1924. pp. 384–5.
- ↑ "The Dietrich-Gobiet Sport Monoplane". Flight. Vol. XVI no. 21. 22 May 1924. pp. 286–7.
- ↑ Serryer, J (13 March 1924). "Les avions Dobkevicius". Les Ailes (143): 2–3.
- ↑ "Mayenbergen amphibian". Retrieved 26 February 2017.
- 1 2 "Rieseler I and II". Retrieved 26 February 2017.
- ↑ "Rieseler III". Retrieved 26 February 2017.
- ↑ "Udet U.1". Retrieved 26 February 2017.
- ↑ "The Udet Sporting Two-seater". Flight. XV (10): 122.
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