RCU Forums - Prop Sizes

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michael marshall

02-17-2004 07:31 PM

Prop Sizes

I have noticed that there are several prop sizes. LIke 9 X 7 and 10 X 8. Can any one tell me what the mean and which one work on some GWS warbirds?

scott88-RCU

02-17-2004 11:50 PM

RE: Prop Sizes

What set up are you using?

Gklugie

02-18-2004 08:50 AM

RE: Prop Sizes

the first number = the diameter (length ) of the propeller.

the second number = the pitch ( like the pitch of a golf club ) . The higher number, the bigger the "bite" . A 7 pitch will theoretically pull the prop through the air 7 inches for each revolution.

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