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Which Motor

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Old 05-27-2010 | 04:51 PM
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Default Which Motor

Hey Guys,
Iam in the process of building a hawker hurricane out of balsa that should weigh around 30-35 ounces. But i am unsure of what motor and Ecs to use since i am somewhat new to Electric flight. What would you guys recommend?
Thanks alot for the responses
Old 05-27-2010 | 09:57 PM
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Default RE: Which Motor

Well, you might browse the motors at Hobbycity or Tower for a motor that can handle 350-450 watts, i.e. 30A on a 3S lipo pack. I would suggest a kv rating of 1100-1500, so you can use propellers around 10 to 11 inches in diameter. Test with a wattmeter to make sure you are getting at least 300 watts, and are NOT over-running the maximum amperage of the motor. This size motor will probably weigh 4-5 ounces. You could use an ESC like the Super Simple ones from HC with a maximum amperage of 40A.

Bottom line - for 2-2.5 pounds, you should aim to set up for 125 watts/pound minimum (250-300+ watts) for scale flying on a small model, and a bit more if possible. If you run on 3S, you can use the built-in BEC on the ESC to power your receiver/servos.

Hope this helps...Chris
Old 05-28-2010 | 10:17 AM
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Default RE: Which Motor

Thanks alot, that was very helpful, thanks for pointing me in the right direction

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