Warner Scarab

The Warner Scarab was a radial engine for airplanes, manufactured by the Warner Aircraft Corporation of Detroit, Michigan in 1928 through the early 1930s.

Models

*Super Scarab SS-50
*Super Scarab SS-50A

Aircraft

Amongst the many uses for the Scarab, the engine was fitted to the Cessna Airmaster and the famous Fairchild 24 (UC61 or Argus).

Thousands of these reliable engines soldier on today, many still powering the aircraft to which they were originally mounted.

They are also in demand as realistically sized (albeit far more powerful) engines to be fitted to replica or restored WW1 biplanes

Junior

A scaled-down version of the engine was produced as the Warner Scarab Junior.

pecifications (Warner Scarab 50)

pistonspecs

type=7 cylinder air cooled radial
bore=4.25in (107.95mm)
stroke=4.25in (107.95mm)
displacement=422.04 cuin (6.92L)
length=14in (355.6mm)
diameter=

width=mm (in)
height=36.5 in (927.1mm)
weight=285 lb (129.28kg)
valvetrain=1 inlet and 1 exhaust valve per cylinder
supercharger=
turbocharger=
fuelsystem=2 Stromberg carburetors
fueltype=73 octane
oilsystem=
coolingsystem=air
power=125hp @ 2,050 RPM (bmep=114.43psi)
specpower=
compression=5.2:1
fuelcon=
specfuelcon=
oilcon=
power/weight=2.28lb/hp @ cruise speed

pecifications (Warner Super Scarab 50)

pistonspecs

type=7 cylinder air cooled radial
bore=4.625in (117.475m)
stroke=4.25in (107.95mm)
displacement=499.81 cuin (8.19 L)
length=14 in (355.6mm)
diameter=

width=mm (in)
height=36.5 in (927.1mm)
weight=305 lb (138.35kg)
valvetrain=1 inlet and 1 exhaust valve per cylinder
supercharger=
turbocharger=
fuelsystem=2 Stromberg carburetors
fueltype=73 octane
oilsystem=
coolingsystem=
power=145hp @ 2,050 RPM (bmep=112.08psi)
specpower=
compression=5.55:1
fuelcon=
specfuelcon=
oilcon=
power/weight=2.10lb/hp @ cruise speed

References

* http://www.oldengine.org/members/diesel/Duxford/usaero13.htm

External links

* [http://www.russellw.com/manuals/warner/default.htm Transcribed manual]


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