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Old 05-14-2011 | 05:43 PM
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From: St. Peters, MO,
Default RE: Bigger engine for U-Can-Do .46?

I ran an OS-50sx-h Helicopter engine (not hyper) and was not happy with the pull out power. I would look at an OS-75 or Saito 82. A little more weight but the UCD has really light wing loading.