Try this link for info:
http://www.sjvls.org/bens/bf010cs.htm

J. Severyn
KLVK

"Dick" wrote in message
t...
Was talking with some WW2 guys who remembered the use of 10 gauge shotgun
shells to start an aircraft engine. I've seen several movies showing
something but my question is how did it work? shell in seperate cylinder
from pistons and how push crank over, etc??