Felipe Müller Posted December 21, 2015 Share Posted December 21, 2015 Hey Guys, I have an Airwheel X5 and want to hack it by changing the 500W motor to a 350W Geared hub motor. I choose this little motor because is th only one that fits my 6" new wheel. I wonder what challenges i'll face? 1. I'll need to change the freewheel inside the motor to a fix one. 2. The 350W motor is 36V so i'll need to use a step down dc dc converter circuit since the 500W use a 67V. What more? Thanks Link to comment Share on other sites More sharing options...
MetricUSA Posted December 21, 2015 Share Posted December 21, 2015 ??? Why don't you build a new wheel? Gears don't last for ever, look at the rockwheel... This is just weird request... Link to comment Share on other sites More sharing options...
Colestien Posted December 21, 2015 Share Posted December 21, 2015 Just wondering.... Why down grade? Link to comment Share on other sites More sharing options...
Cranium Posted December 21, 2015 Share Posted December 21, 2015 My thoughts... Changing out the freewheel won't be a huge challenge but you can forget about using a dc-dc down converter. With as much power as these things draw, you need to just replace the batteries with a pack that is suited to run at 36V. Trying to drop 34V with 350W of power will be inefficient and very problematic. Link to comment Share on other sites More sharing options...
Felipe Müller Posted December 21, 2015 Author Share Posted December 21, 2015 @MetricUSA I would like to use what i already have and I wanna build something with more torque stead of high speed. I saw some videos from rockwheel and really appreciate.@Colestien because i need more torque and this geared 350W could be a nice choice.@Cranium thanks a lot for your comment. I agree with it. I'll just need to understanding what are the input voltages of the board. Thanks for the feedback. Sorry for my poor English. Link to comment Share on other sites More sharing options...
Colestien Posted December 22, 2015 Share Posted December 22, 2015 Couldn't you find a higher torque 500w motor, and not have to chnge anything else? Link to comment Share on other sites More sharing options...
Gimlet Posted December 22, 2015 Share Posted December 22, 2015 So how are you intending to get feedback from the wheel/motor? You'll need to fit hall sensors somewhere and I doubt there will be any convenient space for them. Link to comment Share on other sites More sharing options...
Felipe Müller Posted December 22, 2015 Author Share Posted December 22, 2015 @Colestien The problem is to find something that fits into the 6" wheel that i want to use. I actually found this one http://etmpower.com/our-motors/500w-e-bike-direct-drive-motor/ that fit and seen to be a high torque one. I still have to buy and i already have the 350W one. @Gimlet The 350W came with hall sensors too. Does anyone know who is the motor supplier of the onewheel? http://rideonewheel.com/ Link to comment Share on other sites More sharing options...
Cranium Posted December 22, 2015 Share Posted December 22, 2015 These aren't 6" but they are the hub motors I had spec'd out a couple years ago when I was going to build my EU. http://www.leafmotor.com/hub-motor.html Link to comment Share on other sites More sharing options...
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