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550 Class Electric Helicopters 550 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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06-08-2015, 10:22 PM | #1 (permalink) |
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Join Date: Dec 2011
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t rex 550 with 118t slant main gear
anyone ever try the 118 main slant gear from the 600pro with a 13 or 14 tooth pinion vs the 121 with the same choices of pinion or would this would make to high overall gear ratio
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