The Hirth HM 504 is a four-cylinder air-cooled inverted inline engine. The HM 504 was a popular engine for light aircraft of the 1930s-1940s, and it was used to power a number of Germany's trainer aircraft of World War II. The engine featured a cast magnesium alloy crankcase made of Elektron The Hitachi Hatsukaze Model 11 was a Japanese licensed version.

Applications

• Arado Ar 79

• Bücker Bü 131

• Bücker Bü 181

• BŻ-1 GIL (helicopter)

• Klemm Kl 35

• Matra-Cantinieau MC-101 (helicopter)

• Morane-Saulnier MS.603

• Payen Arbalète

• Repülőgépgyár Levente II

Specifications (HM 504 A-2)

See also

References

External links

• Göbler-Hirthmotoren Company website (nothing in there about pre-war engines)