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Thread: OS FS 30 to 91 which Engine?
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Old 10-27-2008 | 01:01 PM
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jaka
 
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From: Upplands Vasby, SWEDEN
Default RE: OS FS 30 to 91 which Engine?
Hi!
The rpm figures is with certain props...for instance the OS FS .30 can swing a 10x6 APC prop at around 9000rpm...an OS .91 on the other hand can turn the same rpm but doing so with a 14x6 prop. Some difference in pulling power don't you think!
How big is your CUB?
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