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03.12.2008, 05:00 PM
Not sure how you're doing your math but 5S lipo = 18.5, 10XL = 1668kv, so 30858 RPM is where you'll be at. Unless you are allowing for voltage drop, but then that's anyone's guess. I'd go with the 10XL for a savage. 8XL will be too hot at 38,000+ rpms. I use a 10XL in my emaxx and i'm real happy with it.
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