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    EV global parts/heinzmann hub available in 4 sale section

    A freind is parting out his evg ebike due to a controller failure. He is tired of repairing the controller (multi failures) and is parting out the ebike to recover some of his cost. The controller is not robust but the rest of the bike is bullet proof. Since these parts are getting hard to...
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    Energy density for SLA, Li and Gasoline

    Here are some interesting numbers from Design News magazine cover from 04.28.08 Lead Acid battery 50 W-hr/kg Lithium Ion 150 W-hr/kg Gasoline 12,722 W-hr/kg Lithium is better than SLA by 3x but doesn't come close to the energy trapped in Gasoline. Even if you consider that electric motors are...
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    Solution for EV Global ebike 36V battery replacement

    For some time now the stock 36V battery for the EV global ebike has been very difficult to find. There is a solution that is marketted commercially that uses 3x12V 12AH. However this requires one of the 12AH to be placed outside the battery box. It also would not be removable as the original...
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    How to secure a third battery on rear rack

    Hi, I just finished an ebike 24V-36V conversion. I need to place a 3rd battery somewhere. I opted for buy a Schwin rear rack from Walmart for $17. I have a battery sitting on it held with a giant oring and a bungee cord. Since this will see a lot of vibration I want to do something better. I...
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    How to connect the brake signal on CT-660B9

    I am in the process of recovering from the bad 24v evg ebike controller. I bought a 36V 40A brushed controller for a good deal from http://www.tncscooters.com/CT-660B9.php I an in the process of wiring it all together. Got it to work on the bench. I want to connect my ebike brakes to it. They...
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    How to use a sensorless brushless motor

    Hi, I have a questions to the techies here. I purchased a brushless hub motor. Not knowing that their are 2 kinds i received a sernsorless motor. This is a problem because there isn't (at least not that I can find) a source for cheap sensorless brushless controllers. I have a few ideas that I...
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    Help with EV Global 24V ebike controller with bad uP

    Hi, I am fairly new to Ebikes. I managed to restore an EVG 24V ebike bought locally. I used it for 3 weeks total. Last weekend, i didn't get any diagnostic beeps when I plugged the battery. It turned out that the controller is bad. Being an EE I couldn't leave it be. I dived into the...
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