- Warner Scarab Jr
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The Warner Scarab Jr was a 5-cylinder, air-cooled, radial aero engine first produced in 1930. It was a scaled-down derivative of the
Warner Scarab , developing 90 hp (70 kW) against the Scarab's 110 hp (80 kW).pecifications (Warner Scarab Junior 50)
pistonspecs
type=5 cylinder air cooled radial
bore=4.25in (107.98mm)
stroke=4.25in (107.98mm)
displacement=301.46cuin (4.94L)
length=14 in (355.6mm)
diameter=width=mm (in)
height=36.5 in (927.1mm)
weight=230 lb (104.33kg)
valvetrain=1 inlet and 1 exhaust valve per cylinder
supercharger=
turbocharger=
fuelsystem=1 Holley carburetor
fueltype=73 octane
oilsystem=
coolingsystem=
power=90hp @ 2,025 RPM (bmep=116.77psi)
specpower=
compression=5.2:1
fuelcon=
specfuelcon=
oilcon=
power/weight=2.56lb/hp @ cruise speedApplications
*
Aeronca L
*Culver Dart
*Rearwin Sportster References
* Gunston, Bill. (1986). "World Encyclopaedia of Aero Engines". Patrick Stephens: Wellingborough. p.169
* http://www.oldengine.org/members/diesel/Duxford/usaero13.htm
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