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Author Topic: Top speed MP III with a 20 inch tire  (Read 4424 times)

Offline joejoe

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Top speed MP III with a 20 inch tire
« on: January 04, 2013, 10:53:05 PM »
  I am apologizing in advance if this information is already published on this website;  just cannot find it.

Really like the MP III and want to install it on my A2B Metro with a new LiFePo4 battery pack like a 48V15Ah....

I know that  26 inch bikes were reaching 28 mph@48v. So is it simply the tire diameter conversion of 0.769 to figure out the speed for a 20 inch tire, or 21.5 mph?  If that's all I can get then I might as well stick with my old motor and just buy some new 36v batteries.

tia
Joe

« Last Edit: January 04, 2013, 10:55:35 PM by joejoe »
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Offline Morgen 3Eman

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Re: Top speed MP III with a 20 inch tire
« Reply #1 on: January 05, 2013, 06:01:23 AM »
Hi Joejoe

I have built a three wheeler with a 20" 48V  MP3, and it does 24-25 MPH as measured by GPS.  The vehicle and I weigh over 400 lbs. 

TTFN,
Dennis
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