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Old Nov 09, 2011, 01:27 PM
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Joined Nov 2003
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Originally Posted by Andy2No View Post
Was that one one cell? If so, that's impressive.
80g on ~3A.

There's a rewound version good for 70g on 2.4A which has better efficiency - over 8 grams per watt.

The price is steep, though. The HP03TR is $30+ from many vendors, and the Didel gears are easily $10 in themselves. (Does anyone know if the rcbearings ball bearings are equivalent to the Homefly stuff? They're certainly less expensive...)

You need a good ESC, too. The XP-3A has high losses and can't handle the power required, while the XP-7a doesn't work well on one cell. The YGE-4L and Micro Invent stuff is good, but it's also $50.

So, all things considered, easily $100 with ESC for the power system.
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