I looked at that battery my god that thing is expensive. I have built my clown bike to use electric to ride down the bike trail for exercise. I built a little trailer using lawnmower tires, I have two 20buck@ lawn tractor batteries at the moment. They seem to be just about right to make the four mile ride. I remembered that I can buy used automotive batteries which are much more powerful. Ie last longer. I expect you could get a pretty good deal from an auto salvage yard on them. I'll have to look into that.

I was surprised how well the bike pedals pulling the trailer even when not powered. I tried using bike wheels but the center of gravity is far too high for that much weight.

I have been using a 350watt friction drive I built but I burned up a bearing last week so not I'm using a 250 watt motor and the difference is noticeable but since i ride this one for exercise it doesn't seem as though it is going to be a huge problem.

I also ordered a controller and throttle for it. I thought I would like to have my back up bike be electric. I figure if the china girl goes down I can use this one to get to the donut shoppe.

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