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Old 09-30-2010 | 07:09 PM
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ahicks
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From: Waterford, Mi/Citrus Springs, Fl
Default RE: scale prop size on a u.s. 41 gas engine?
I had a Quadra 42 (same as US 41) on a 16.5 lb. Giant Sportster for a while. It had what I would describe as "great" sport performance on an APC 20x8w.

For scale performance, you could probably go up to a 22x6, depending on what the plane weighs?
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