Hirth HM 506
The Hirth HM 506 was a six-cylinder air-cooled inverted inline engine that was developed from the earlier four-cylinder HM 504. The HM 506 was a popular engine for light aircraft of the 1930s to 1940s and powered the Bücker Bü 133A model trainer. The engine featured a cast magnesium alloy crankcase.Applications
- Bücker Bü 133 A
- Fieseler Fi 98
- Fieseler Fi 99
- Fieseler Fi 157
- Fieseler Fi 158
- Gotha Go 241
- Klemm Kl 35 B