RCU Forums - prop help

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chuck34

11-25-2007 01:34 AM

prop help

hi all, new to this site. but was told by a friend you all could help me out. i have dug out my old cap 231 with a super tigre 75 on it. i have a 12x7 prop on it. what would be the best 3d prop to run on this motor? thanks in advance

daveopam

11-25-2007 11:46 AM

RE: prop help

The Tigre 75 might be in between sizes for a great 3D prop. What I mean is a 14x4W is maybe a little small. i am not sure if it will turn a 15x4W like is used on a 90. Maybe a 13x6 APC is your best bet.

David

chuck34

11-25-2007 12:19 PM

RE: prop help

thanks ill give that a try today. after i take it up to blow the dust off it.:D

Al Lewis

11-25-2007 05:36 PM

RE: prop help

You might also try a APC 13X4W.

broke_n_bummin

11-26-2007 07:52 AM

RE: prop help

It depends on your exhaust. If you are using the stock super quiet / over restricted exhaust, then a 13X4W would work. If you have an aftermarket / less restricted exhaust, then it will swing a 14X4W.

skiman762

11-26-2007 09:19 AM

RE: prop help

Don't be afraid to try different props a wide prop doesn't mean better 3d any prop that lets your engine run like it needs to while giving enough thrust will work fine
I have a 52 magnum 4 stroke that can't turn a 13x4w but turns the 13x4 sport just fine but can't turn a zinger 13x4 it just bite muchs harder then the 13x4apc sport

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