Need help with Speed 400's - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-02-2014, 01:11 PM   #1
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I am: Geff W
Join Date: Nov 2007
Location: ON

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Need help with Speed 400's

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I would be grateful if someone could point me in the right direction, (pun intended!).

I am boat newbie building a water vehicle that is driven by 2 Speed 400 motors.

It is skid steered by altering the throttle on each motor.

Do the Speed 400's have to turn in different directions to balance torque? I know you can get left and right handed props, but do the motors have to run opposite?

If the motors have to run in different directions, I know that you can reverse direction by swapping +ve and -ve connections,(after the speed control). But what about motor timing? Is it at all critical for Speed 400's? I do not really want to have to find a reversed rotation motor. Are they even available?

Any help would be appreciated.

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Old 04-07-2014, 12:24 PM   #2
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I am: Hany I
Join Date: Jun 2012
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Re: Need help with Speed 400's

With the handed props you'll need to reverse the motor rotation through swaping +ve and -ve like you said.
Graupner speed 400 or any Graupner speed motor for that matter are not timed as far as i know so doing what you intend is not an issue.
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