Haacke HFM-2

The Haacke HFM-2 was a German two cylinder flat engine built in the early 1920s.

Variants
From Flight
 * HFM-2 (22 kW)
 * HFM-2a (30-35 hp); as HFM-2 apart from 120 mm bore

Applications

 * Albatros L.66
 * Dietrich-Gobiet DP.VII
 * Działowski D.K.D.1
 * Dobi-I
 * Gabriel P 5
 * Karhu 3
 * Mayenberger amphibian
 * Rieseler R.I
 * Rieseler R.II
 * Rieseler R.III
 * Silesia S-3
 * Silesia S-4
 * Udet U.1
 * Udet U.2

Engines on display

 * Finnish Airforce Museum