Hirth HM 506

The Hirth HM 506 was a 6-cylinder air-cooled inverted inline engine that was developed from the earlier 4-cylinder HM 504. The HM 506 was a popular engine for light aircraft of the 1930-40's and powered the Bücker Bü 133A model trainer. The engine featured a cast magnesium alloy crankcase.

Specifications (HM 506)

pistonspecs
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type=6 cylinder air cooled inverted inline
bore=105mm (4.13 in)
stroke=115mm (4.53 in)
displacement=( cu in)
length=mm ( in)
diameter=

width=mm ( in)
height=mm ( in)
weight=kg ( lbs)
valvetrain=1 inlet and 1 exhaust valve per cylinder
supercharger=
turbocharger=
fuelsystem=
fueltype=77 octane
oilsystem=
coolingsystem=air
power=160hp @ RPM
specpower=
compression=
fuelcon=
specfuelcon=
oilcon=
power/weight= lb/hp @ cruise speed

Applications

;flag|Germany|Nazi
*Bücker Bü 133 A
*Fieseler Fi 98 (prototype)
*Fieseler Fi 99
*Fieseler Fi 157 (UAV prototype)
*Fieseler Fi 158 (UAV prototype)
*Gotha Go 241
*Klemm Kl 35 B (D-ERLQ)

External links

* [http://www.hirth-engines.de Göbler-Hirthmotoren Company website]
* [http://www.luftfahrt-archiv-hafner.de Hirth Flugmotoren manuals]