the race is on, prop size needed!
07-07-2012, 04:04 AM
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the race is on, prop size needed!
i need some help with a prop question, I just purchased a 40 size pole cat and using a os 50 for a powerplant, what is going to be the best prop for speed? Another member raced me last fall with a sundowner 50 size with a evo 52 and beat me up preatty good! I must win! I do have a macs1 piece pipe i may sneak under the cowl for increased rpm and less weight but need a great speed prop.whats your thoughts? I am trying to keep the setup similar to his, I know i could but a Jett engine but it wouldnt be fair.
jason
jason
07-07-2012, 07:54 AM
#2
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RE: the race is on, prop size needed!
well a "40 size polecat" doesnt give us any usefull info at all. who makes it? the size, the weight, and so on. A picture would be great. Also the macs muffler i know about doesnt give a RPM gain. MACs does have a 1 piece muffler that does give a little more power over the stock muffler butnot much. Give us a part number for it.
I am think if this is an ARF then it will be a high drag model and need big power to go sorta fast. That OS 50 would work best with a "Red" Jett muffler and a 10x7 prop.
I am think if this is an ARF then it will be a high drag model and need big power to go sorta fast. That OS 50 would work best with a "Red" Jett muffler and a 10x7 prop.
07-07-2012, 11:59 AM
#3
Senior Member
RE: the race is on, prop size needed!
ORIGINAL: kork
i need some help with a prop question, I just purchased a 40 size pole cat and using a os 50 for a powerplant, what is going to be the best prop for speed? Another member raced me last fall with a sundowner 50 size with a evo 52 and beat me up preatty good! I must win! I do have a macs 1 piece pipe i may sneak under the cowl for increased rpm and less weight but need a great speed prop.whats your thoughts? I am trying to keep the setup similar to his, I know i could but a Jett engine but it wouldnt be fair.
jason
i need some help with a prop question, I just purchased a 40 size pole cat and using a os 50 for a powerplant, what is going to be the best prop for speed? Another member raced me last fall with a sundowner 50 size with a evo 52 and beat me up preatty good! I must win! I do have a macs 1 piece pipe i may sneak under the cowl for increased rpm and less weight but need a great speed prop.whats your thoughts? I am trying to keep the setup similar to his, I know i could but a Jett engine but it wouldnt be fair.
jason
