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Old Mar 14, 2012, 08:25 AM
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Joined Sep 2011
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Help with buying a good motor to perform with my esc

hi guys, i have 2 turnigy 25A Plush esc's....


will these motors work well with them? i need sum help!!!


please let me know you pros!!!


http://www.hobbyking.com/hobbyking/s...dProduct=14738
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Old Mar 14, 2012, 09:29 AM
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they look fine for the esc's motors max current is 15.8A so 25Amp esc will be fine.
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Old Mar 14, 2012, 02:14 PM
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United States, AK, Fairbanks
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Yeah, that motor will work fine with your ESCs, but the airframe might not. You'll need a fairly specific motor and prop for any given plane, and simply choosing a motor that works with your ESC isn't a great way to match up a power system.

What plane is this intended for?
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Old Mar 15, 2012, 04:44 AM
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i plan to use twin motors on a cargo plane, the one from the ..''twins'' thread... if an esc is rated at 25amp wont that be too much for a motor with a max current that is 15.8 amps tho?
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Old Mar 15, 2012, 06:06 AM
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No. The motor will only draw as much current (amps) as it needs to spin the prop at your given input voltage. If you put a tiny prop on the motor it might only draw 5A, so that's all the motor and ESC have to handle. The ESC will simply take a maximum of 25A before you risk melting it or burning it out, whereas the motor is limited to about 16A. Since the motor can't take anywhere near what the ESC can, both components will be perfectly happy as long as you run the right prop.

Ideally you want the ESC to be rated about 20-30% higher than the highest amount of current that will ever be drawn by the motor (i.e. when you instantly crank it to full throttle from a dead stop). Your setup is good there.
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Old Mar 15, 2012, 06:10 AM
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Quote:
Originally Posted by C₄H₁₀ View Post
No. The motor will only draw as much current (amps) as it needs to spin the prop at your given input voltage. If you put a tiny prop on the motor it might only draw 5A, so that's all the motor and ESC have to handle. The ESC will simply take a maximum of 25A before you risk melting it or burning it out, whereas the motor is limited to about 16A. Since the motor can't take anywhere near what the ESC can, both components will be perfectly happy as long as you run the right prop.

Ideally you want the ESC to be rated about 20-30% higher than the highest amount of current that will ever be drawn by the motor (i.e. when you instantly crank it to full throttle from a dead stop). Your setup is good there.
thankyou, your a hero!! cheers for the info... just as a guess what props would you think might be suitable for my project ?
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