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
*
Dobi-I
The Dobi-I was designed by Lithuanian aviator Jurgis Dobkevičius and the first airplane of Lithuanian design. Jurgis Dobkevičius started designing and building Dobi-I in 1921, and it was first tested by its designer in July 1922. The single Do ...
*
Gabriel P 5
*
Karhu 3
*
Mayenberger amphibian
*
Rieseler R.I
*
Rieseler R.II[
* Rieseler R.III]
Engines on display
*Finnish Airforce Museum
The Finnish Air Force Museum ( fi, Suomen Ilmavoimamuseo), formerly the Aviation Museum of Central Finland ( fi, Keski-Suomen ilmailumuseo), is an aviation museum located near Jyväskylä Airport in Tikkakoski, Jyväskylä, Finland. The museum ...
Specifications (HFM-2)
See also
References
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1920s aircraft piston engines