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Old 09-23-2012, 01:48 AM   #66 (permalink)
SeniorSell
Dave Upton
 
Join Date: Sep 2012
Location: Oregon
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Ryan, I have a 2007 miles ZX40 with the larger 9hp 72V DC version motor. Curtis controller. We know that this motor will take 6,000 rpm for some time, not constant. That = about 42-45mph stuck in second gear. Bone stock at 25mph indicated is at or about 3,300 rpm. I read that field weakening is the quickest way to attain more speed but couldn't I also pull the controller and send it to Curtis and have them raise the RPM limit to say 5,500 rpm? My controller does not have a program port unlike our 2008 Vantage Vango P1000 curtis controller. Isn't this particular model limited by or controlled by the rpm the motor is looking at? I don't want to re-invent the miles mobile here because they are selling for $5000 all over for a 2008 or newer. Any feedback would be appreciated.

Dave Upton
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