In article <3820467F...@americasm01.nt.com>
Phillip Hopkins <p...@americasm01.nt.com> writes:
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 HopkinsHaving sat in the jump seat on many occasions of the company DC-3 that
my father flew back when I was a kid I can verify that an electric
starter was used to get the engine going. B-17's used Wright Cyclones
and they were started by electrical starter as well. Same for the
B-29's and B-24's.
In watching flight deck operations from many documentaries and films I
can verify that many of the Navy's WWII aircraft used electric starters although I think the F4F may have used a starter cartridge.
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 <p...@americasm01.nt.com> wrote in message news:3820467F...@americasm01.nt.com...
I originally posted this on rec.aviation.military, with surprisingly notakers.
Among my colleagues, we have had much discussion about the methods used in starting large radial engines - though none of us have any real knowledgeon the
subject. We have guessed that some very large engines use a flywheelenergy
storage mechanism which is somehow coupled to the engine crankshaft atstart
time. The suggestion was also made of the use of gas cartridges which areused
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 describethe
methods used is cranking over large radial engines during starting, suchas
those on B-17s, B-29s, B-36s, even DC-3s. A brief history of radialengine
starting techniques from the 1920s to the 1950s would also be veryinteresting.
Thanks in advance.
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