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Old Jan 31, 2013, 04:45 PM
North_of_49 is offline
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Scout CX | mCX2 | mSR | 120SR
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Canada, AB, Edmonton
Joined Dec 2011
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A good primer
http://www.hooked-on-rc-airplanes.co...ropellers.html

It's the 2nd page from this article
http://www.hooked-on-rc-airplanes.co...ropellers.html
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