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  • Nettoast commented on Stryker's instructable How to build a 72Volt electric motorcycle9 months ago
    How to build a 72Volt electric motorcycle

    Took about 6 months over the winter of 2010 to make. Picked up the bike for $400 on Kijiji, blown engine and rusted tank. Bought most of the components from Cloud Electric in the U.S., lucky to have a source of used gel cell batteries (free) every four years from a UPS at work. Motor is 72vDC with Kelly controller, hooked up the regen to the clutch microswitch so when I am going downhill I pull in the clutch lever to regen (and this also adds lots of drag, so saves the brakes).14 tooth drive sprocket, 71 tooth at the rear gives me top speed of 70kM/hr and amazing acceleration off the line. I get about 35kM per charge (the batteries I get have been in use for four years in the UPS, so this is not bad for free batteries). Enough for the 10k round trip to work, and some running around on t...see more »Took about 6 months over the winter of 2010 to make. Picked up the bike for $400 on Kijiji, blown engine and rusted tank. Bought most of the components from Cloud Electric in the U.S., lucky to have a source of used gel cell batteries (free) every four years from a UPS at work. Motor is 72vDC with Kelly controller, hooked up the regen to the clutch microswitch so when I am going downhill I pull in the clutch lever to regen (and this also adds lots of drag, so saves the brakes).14 tooth drive sprocket, 71 tooth at the rear gives me top speed of 70kM/hr and amazing acceleration off the line. I get about 35kM per charge (the batteries I get have been in use for four years in the UPS, so this is not bad for free batteries). Enough for the 10k round trip to work, and some running around on top of that.On board charger, 125vAC cord comes up through the filler cap. Takes about four hours to fully charge, and a year's hydro runs about $7.00.72v>12v converter runs all the lights and horn, converted all lights (including headlight) to LED.Lot's of fun, and really gets attention at the bike shows!Total props to Stryker for posting this and spurring me to build this!!

    Took about 6 months over the winter of 2010 to make. Picked up the bike for $400 on Kijiji, blown engine and rusted tank. Bought most of the components from Cloud Electric in the U.S., lucky to have a source of used gel cell batteries (free) every four years from a UPS at work. Motor is 72vDC with Kelly controller, hooked up the regen to the clutch microswitch so when I am going downhill I pull in the clutch lever to regen (and this also adds lots of drag, so saves the brakes).14 tooth drive sprocket, 71 tooth at the rear gives me top speed of 70kM/hr and amazing acceleration off the line. I get about 35kM per charge (the batteries I get have been in use for four years in the UPS, so this is not bad for free batteries). Enough for the 10k round trip to work, and some running around on t...see more »Took about 6 months over the winter of 2010 to make. Picked up the bike for $400 on Kijiji, blown engine and rusted tank. Bought most of the components from Cloud Electric in the U.S., lucky to have a source of used gel cell batteries (free) every four years from a UPS at work. Motor is 72vDC with Kelly controller, hooked up the regen to the clutch microswitch so when I am going downhill I pull in the clutch lever to regen (and this also adds lots of drag, so saves the brakes).14 tooth drive sprocket, 71 tooth at the rear gives me top speed of 70kM/hr and amazing acceleration off the line. I get about 35kM per charge (the batteries I get have been in use for four years in the UPS, so this is not bad for free batteries). Enough for the 10k round trip to work, and some running around on top of that.On board charger, 125vAC cord comes up through the filler cap. Takes about four hours to fully charge, and a year's hydro runs about $7.00.72v>12v converter runs all the lights and horn, converted all lights (including headlight) to LED.Lot's of fun, and really gets attention at the bike shows!

    Took about 6 months over the winter of 2010, going in to my seventh season of riding!

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