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Stearman McCauley prop info needed

Sun Oct 09, 2005 10:04 am

On the McCauley Stearman prop there is technical data that is stenciled on the front: M.C.------40-1406 or 44-39
D.W.G.---35-0
ANGLE----11.7 AT 42

I know what the ANGLE refers to, but unsure about the M.C. and D.W.G.
Anyone know what these refer to and the numbers that accompany them?
Thanks.
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