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how to increase rpm of 3v dc motor for making airplane? Answered


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Re-designBest Answer (author)2010-09-20

If you want the plane to go faster find the max. rpm point of the motor. Then vary the pitch of the prop. A steeper pitch will go faster if the motor can pull it. A shallower prop will give more power to climb but top speed may be too low. There are charts with guidelines available on electric r/c sites that will help you figure out the best prop size and pitch.

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user
SGatz (author)2017-03-31

Would a DC boost converter work???

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user
dchowdhury (author)2012-09-11

Buy an out runner brushless motor to make an airplane.. mor you can find brushless motor in your DVD/rw it's also light and powerfull

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user
LiquidLightning (author)2010-09-20

Up the voltage, and as orksecurity said you run the risk of burning it out, or buy a new one from somewhere. I've seen motors at radioshack that run 20,000 RPM's at 1.5v.

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user
lemonie (author)2010-09-20


You probably need more power. while you could up the voltage, another motor would be better (as other comments)

L

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user
rickharris (author)2010-09-20

I would buy a motor intended for this purpose. Usually a brushless motor running at 7 volts or so.

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orksecurity (author)2010-09-20

Give it more voltage (which may risk burning it out), or use a gear train or belt-and-pulley system as a transmission (but what you gain in speed you will lose in torque, so this may not be a net improvement).

Or get a different motor.

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