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Old 01-31-12, 01:29 PM   #1
fietsbob 
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Just a suggestion, beneficial.

Customer engaged the motor in rear of his Cat-trike
when the axle was out on one end, after rolling ,
displacing wheel, he said, a solo accident.

the torque stripped the dropout as the large axis of the flattened axle
chewed out aluminum..

likely new frame will be required ..
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Old 01-31-12, 02:00 PM   #2
Sangesf
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?!? Can you be a little more lucid?
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Old 01-31-12, 04:13 PM   #3
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I think he's trying to suggest that using a rear hub motor on a Catrike (since it has aluminum dropouts) is perilous unless you use torque arms to prevent rotation of the motor axle. I have a Catrike with a rear BPM Bafang on it, running up to 1200 watts through it, and I have dual torque arms, one on each side. I also really crank down the axle nuts. I'm not worried.
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Old 01-31-12, 05:37 PM   #4
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It's probably someone who's first language is not English and running it through a translator program
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