engine size - RCCanada - Canada Radio Controlled Hobby Forum
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Sailplanes / Electro-gliders Discuss quiet flight in Canada.

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Old 10-11-2007, 06:45 PM   #1
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engine size

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i have aglider that recommends an engine size .074 to .09 2 stroke ,I have a .049 which is a bit small and a os 25 is that in this range
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Old 10-11-2007, 07:44 PM   #2
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See if you can trade one of those engines for an 09, or just bite the bullet and buy an 09; you will be surprised at how often that 09 becomes very handy.

Otherwise, put a larger or fine-pitch prop on the OS and plan for a steep climb; it is very easy to overspeed a sailplane with catastrophic results.
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