Old 11-21-07, 05:24 AM
  #12  
geebee
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Join Date: Mar 2004
Location: Tasmania, Australia
Posts: 540

Bikes: GT3 trike,Viper chopper, electric assist Viper chopper,Electric moped(Vespa style)

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The first is a shot of the Tongxin with the freewheel 6 speed cluster screwed on the wrong side of the motor which maintains the self tightening and gave me a chance to try slightly differing ratios.
The second shot is where it is mounted on the boom the bottle screw is probaly over kill but it guarantees that the mount does not move under torque (the Tongxin is 210 rpm rated at 160w but has a lot of torque).
The third shot is where I mounted the batteries under the seat and hanging across the frame and over the chain again using the same type of building brackets bolted together and U clamped on, the batteries are basically sitting at floor level (maybe 2" off the ground) to keep the c of g down as I like cornering at speed.
Other than the all up weight being higher the trike feels,rides and handles as it did without the batteries and motor.
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