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  1. #1
    aspeed's Avatar
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    OS .15 old style

    OS .15, older one piece case, loop scavenged model, 7-5 MA GF3 prop, no muffler 10% nitro, RC carb. 16,400 rpm.

  2. #2
    GallopingGhostler's Avatar
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    RE: OS .15 old style

    I've got one of those, just curious. Did you try an 8x4 prop?
    George Hostler
    Clovis MADS AMA Club, Vintage R/C Society (VRCS)
    And we know love by this, that He laid down His life for us, and we ought to lay down our lives for the brethren. 1 John 3:16

  3. #3
    aspeed's Avatar
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    RE: OS .15 old style

    Yes, but didn't tach it.  8-4 MA worked good in the Sig Scamp, but I think the MA 7-5 was a bit faster.

  4. #4

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    RE: OS .15 old style

    why not run a APC 7x5 it will be even faster than the MA. The MA have less pitch than stated..
    AMA # 126183
    Fly light, fly fast and fly low.

  5. #5
    aspeed's Avatar
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    RE: OS .15 old style

    I had enough trouble finding a 7-5 anything around here.  No one stocks small props any more.  I pick stuff up on trips to the US.  Since then I have put in an FP .15 figuring it would be faster with the schneurle porting, but I can't tell the difference.  Control line is better, you can time things to find out the speed.  The Scamp is just a toy anyway.


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