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Radial Engine Starting Techniques



 
 
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Old November 7th 20, 08:02 AM posted to rec.aviation.piloting
Ken L
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Posts: 1
Default Radial Engine Starting Techniques


On Sunday, November 7, 1999 at 7:00:00 PM UTC+11, Jim Beasley Jr. wrote:
Why don't you buy the engine manuals? They will provide the best source of
information.
Many motors are direct drive from the starter, and some use an inertial
starter. That is interchangeable (R1340). The old P-36 used a shotgun
shell to get it going.
Phillip Hopkins wrote in message
...
I originally posted this on rec.aviation.military, with surprisingly no

takers.
Among my colleagues, we have had much discussion about the methods used in
starting large radial engines - though none of us have any real knowledge

on the
subject. We have guessed that some very large engines use a flywheel

energy
storage mechanism which is somehow coupled to the engine crankshaft at

start
time. The suggestion was also made of the use of gas cartridges which are

used
to operate an air motor which turns over the crankshaft, a la the movie

"The
Phoenix" with Jimmy Stewart.

******
******

I wonder if someone, who is knowledgeable on the subject, could describe

the
methods used is cranking over large radial engines during starting, such

as
those on B-17s, B-29s, B-36s, even DC-3s. A brief history of radial

engine
starting techniques from the 1920s to the 1950s would also be very

interesting.
Thanks in advance.

Phillip Hopkins




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