Electric scooter motor reversible?
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From: John Doe on 10 Jun 2010 20:24 I have not found it on the web, but the part number is XYDJ09072117 It uses this controller. http://www.curriestore.com/731-ezip-controller.html "Controller, 24v30a BG 5pin, TO/Charge Cut, (08A version)" Basically the same as this 500 W motor. http://www.curriestore.com/481-ezip-motor.html Does just reversing the polarity of the wires going to the motor cause it to run backwards but perfectly otherwise? Thanks.
From: Tim Wescott on 10 Jun 2010 21:15 On 06/10/2010 05:24 PM, John Doe wrote: > I have not found it on the web, but the part number is > XYDJ09072117 > It uses this controller. > http://www.curriestore.com/731-ezip-controller.html > "Controller, 24v30a BG 5pin, TO/Charge Cut, (08A version)" > > Basically the same as this 500 W motor. > http://www.curriestore.com/481-ezip-motor.html > > Does just reversing the polarity of the wires going to the motor > cause it to run backwards but perfectly otherwise? That's hard to say. If it's a brushed DC motor, then yes. If it's a brushless DC motor then it's got electronics inside, and probably no. If there's really only two pins on that connector, and that's really the only connector, then my money is on a brushed DC motor. If you can see a circuit board inside then a brushless motor becomes much more likely. If you can see brushes inside then -- well, what do you think? If you hook it up backward and it spits and pops and a bunch of smoke pours out, then it _was_ a brushless motor, and it's _now_ a paperweight. -- Tim Wescott Control system and signal processing consulting www.wescottdesign.com
From: John Doe on 10 Jun 2010 22:36 Tim Wescott <tim(a)seemywebsite.now> wrote: > That's hard to say. If it's a brushed DC motor, then yes. If > it's a brushless DC motor then it's got electronics inside, and > probably no. > > If there's really only two pins on that connector, and that's > really the only connector, then my money is on a brushed DC > motor. If you can see a circuit board inside then a brushless > motor becomes much more likely. > If you can see brushes inside then -- well, what do you think? It has four screws, but apparently it is glued shut. > If you hook it up backward and it spits and pops and a bunch of > smoke pours out, then it _was_ a brushless motor, and it's _now_ > a paperweight. http://www.alibaba.com/product-gs/258896362/DC_Brush_Motor_XYD_6B.html That is the same as my 750 W version. It is a brush motor. I will hook it up backwards and see if it turns. What is the chance that the brushes are configured so that it runs better in the forward direction than in reverse? Experimentation can prove that I guess, as long as there is no risk of burning up the motor during a careful test. I will use the stock fuse. Thanks.
From: John Doe on 10 Jun 2010 23:04 I took the opportunity to chat with whoever it is on their website, and they said it is reversible. Well, being able to reverse the motor is going to significantly help my project. Thanks.
From: default on 14 Jun 2010 08:55
On 11 Jun 2010 03:04:52 GMT, John Doe <jdoe(a)usenetlove.invalid> wrote: >I took the opportunity to chat with whoever it is on their >website, and they said it is reversible. Well, being able to >reverse the motor is going to significantly help my project. >Thanks. Some of the electric motors sold for bike conversions have over-running clutches. While the motor is reversible the clutch may not be. The clutch is desirable for bicycle applications since it allows you to coast without the motor turning and adding drag. Geared down motors are often combined with clutches, since the drag is appreciable. -- |