The Hirth HM 508 was an air-cooled, inverted, 60° V8 aircraft engine built in Germany in the 1930s. It had a bore and stroke of 105mm × 115mm (4.1 in × 4.5 in) and developed 210kW (280hp) at 3,000 rpm.

Variants

1. HM 8U:

2. HM 508A:

3. HM 508B:

4. HM 508C:

5. HM 508D: at 3000 rpm

6. HM 508E:

7. HM 508F:

8. HM 508G:

9. HM 508H: , low fuel consumption variant, with centrifugal supercharger geared at 3.86:1 crankshaft speed for long-range record breaking aircraft.

Applications

• Ambrosini S.7

• Gotha Go 146

• Gotha Go 149

• Heinkel He 116

• IMAM Ro.63

• Messerschmitt Bf 108

• Siebel Fh 104

• Weserflug We 271 Experimental aircraft

Specifications (HM 508D)

See also

References