Overall length from prop
flange to rear flange is
only 10.25 inches, much shorter than chain or belt
drive units
Works with constant speed prop, fixed
pitch prop,
or electric prop, your choice
Fits all Chevrolet engines from 1955 to present
Easy installation - bolts to the engine with
six bolts
No surprise extras to purchase
Clutch allows initial engine start
without the engine
pulling the inertia of the prop for easy
starting with
less strain on the
starter
No side or thrust loads on the
crankshaft since the
PSRU utilizes a splined input shaft
same as an auto
transmission
True geared PSRU and gear
box with the dependability
necessary for safe and efficient aircraft operation
Gear ratios can be changed
at minimal cost, allowing
customized engine/propeller combinations
Shafts and propeller hubs are all one piece heat
treated
stainless steel billet
with a yield strength
of 195,000 lbs. per square inch
with no tendency for
cracking as with other materials
Gears are heat treated, undercut for light weight and
crown
shaved
for quiet
operation, straight cut for
maximum strength
Gear cases are heat-treated A356 aluminum
o-ringed
on the parting surfaces
and
Heli-Coiled for safety
Roller bearings used throughout for heavy load
handling
Works equally as well in tractor and pusher
configurations
Oil pump, oil filter and oil supply independent
of the engine
Has drive ports for mechanical fuel pump and
prop
governor
Works with either clockwise and
counterclockwise turning
prop governors
Can be fitted with a vacuum pump if desired
Use of this PSRU allows use of the
prop as a speed brake
Accommodates high-output engines in excess of 400
hp
Adaptable to other makes of automobile
engines at nominal cost
