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  1. chofmeister

    Velo Trike identification

    Can anyone tell what this velomobile is or what trike it is built around. Found it at a scrap place and I'm trying to get some more info before I take on this project.
  2. chofmeister

    BBS02 Pedal in reverse to charge battery?

    Hey, I'm making a special project and was planning on using a bbso2 to charge the battery on a nonmechanical dual hub drive bike. Initially, I was going to weld the freewheel apparatus but it seems like pedaling in reverse turns the rotor and should produce a charge. If this is the case I can...
  3. chofmeister

    Dr350 --->DR8000

    Progress: got the hub motor laced and put the new tires on. Also almost finished my battery case. Still need to modify the tank a bit so that it sits properly, it is coming along. :) Sent from my SM-G960W using Tapatalk
  4. chofmeister

    Dr350 --->DR8000

    I decided to mount the controller where a radiator might sit on a bike with liquid cooling. I will have to check its crash clearence before deciding if it needs re enforcement. Sent from my SM-G960W using Tapatalk
  5. chofmeister

    Dr350 --->DR8000

    The second order of business was making a decent torque arm. The ones that came with the motor were definitely not suitable. This one on the LHS is going to be the primary torque arm as the axle flats are much larger on this side. The other side will get one also but more just for piece of...
  6. chofmeister

    2017 Honda CRF250R to Electric

    Hey, this is a great build. I'm mounting a BAC8000 in a similar spot on my build. I was curious how you mounted the fabricated aluminum angle to the controller. Did you use longer M4 bots that are used to secure the blue end covers? I was going to drill into the thick parts of the stock...
  7. chofmeister

    Dr350 --->DR8000

    So here is my build thread for a direct drive hub motorcycle conversion. I started off with a 1996 Dr350. Took out 110lb worth of ICE parts and am now in the process the conversion. I'm using a Qs8000 motor and a BAC8000 controller so the logical name I came up with was DR8000. I've been...
  8. chofmeister

    96V battery build. BMS Help.

    Have you posted a build thread about this? I'd like to see different approaches to building these larger packs.
  9. chofmeister

    96V battery build. BMS Help.

    96V nominal. Looking to use 18650's or possible a LiFePo cells. My idea was to make three packs 26S16p divided by heat transfer plates, which are linked together to make a 26s48p pack. I've seen a lot of options for 48V BMS up to 60V but nothing in the higher voltage range and I'm not sure...
  10. chofmeister

    96V battery build. BMS Help.

    Hey I am trying to build a 96V pack for a project and I haven't been able to find some concise info on building packs of this voltage using available BMS technology. If there is a good thread on this I would appreciate a link. It seems like higher voltage packs wold require lower voltage BMS...
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