The Haacke HFM-2 was a German
two cylinder
The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized.
Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categoriz ...
flat engine
A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, ...
built in the early 1920s.
Variants
From Flight
* HFM-2 ()
* HFM-2a (); as HFM-2 apart from bore
Applications
*
Albatros L.66
*
Dietrich-Gobiet DP.VII
*
Działowski D.K.D.1
The Działowski D.K.D.1 was the first powered aircraft designed by . It was a low-power high-wing monoplane with a cabin for one passenger. After attending an aviation exhibition in Warsaw in 1927 it was badly damaged when the engine failed as it ...
*
Dobi-I
*
Gabriel P 5
*
Karhu 3
*
Mayenberger amphibian
*
Rieseler R.I
*
Rieseler R.II[
* Rieseler R.III]
Engines on display
* Finnish Airforce Museum
Specifications (HFM-2)
See also
References
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1920s aircraft piston engines