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  1. jansevr

    Electric Supermoto - QS 205 v3 - Sabvoton 72v 150a

    The electric supermoto project I have been working on has finally reached near completion. Although there are some upgrades I would like yet, the bike is still more than capable and without a doubt the best riding and my cleanest looking build (in my opinion) yet. Specs are as follows...
  2. jansevr

    Zinger - world's lightest [production] electric wheelchair?

    found this article to be pretty interesting. nice concept - hopefully it hits production and they sell at a fair price. there definitely isn't really a good lightweight electric wheelchair in production (as far as i know of). only the big and bulk ones that are heavy as hell...
  3. jansevr

    need help! - motor/controller troubles - motor juddering

    for whatever reason i decided it was a good idea to let a "friend" ride my e bike. he came back quite soon and said there was a problem. i don't know how or what happened...but the motor does not run under load anymore. the no load is also pretty high but sounds quite a bit more smooth. the...
  4. jansevr

    ZEV - Z Electric Vehicles - 10kw + 78mph

    I came across these scooters and a few quick searches didn't come up with anything on here...i'm sure a few of you might have heard of them but for the rest of you hopefully you find this as interesting as i do! http://zelectricvehicle.com/15.html their top of the line 10kw continuous motor...
  5. jansevr

    Make Your Own Miniature Electric Hub Motor

    i came across this and thought it was interesting enough to share. its not mine but i hope you enjoy it as much as me! http://www.instructables.com/id/Make-Your-Own-Miniature-Electric-Hub-Motor/?ALLSTEPS this next one definitely doesn't look that miniature - look at how wide it is! it...
  6. jansevr

    custom frame + etek build

    found this build here: http://www.martinaveyard.com/?p=287 has anyone seen it/have any more pics/info about it? i really like the frame and design - the only thing i would change is swapping out the sla for lipo! a few more pics of the build here: http://www.martinaveyard.com/?p=277...
  7. jansevr

    turner dhr + hs3540 - soon to be Hubmonster! pics!

    i had the opportunity to use my friend's shop the past couple days. i managed to make a set of dropouts for my turner dhr so i could put my hs3540 on to it until i get the rest of the parts for the hubmonster build (only renders now: http://endless-sphere.com/forums/viewtopic.php?f=3&t=48380 )...
  8. jansevr

    TorqArmRev4 failure

    earlier i was riding and accelerating(going about 20) when i heard a noise and then my disc started rubbing - making a loud grinding noise. i pulled over and realized the torque arm was jammed sideways on the axle - not good. in the process, the wheel had moved a bit out of the opposite...
  9. jansevr

    turner dhr downhill with Hubmonster motor

    currently this build is in the early development stages. i have the bike to be used for the conversion but i plan to do quite a bit of custom work. unfortunately i won't have the time or the money for a few more months. fortunately this gives me time to finalize a design the bike is a 2006...
  10. jansevr

    turnigy lipo rebuild

    over the course of owning and operating a few bikes in the past year and a half or so i have come across many dud cells. i know this isn't an uncommon thing. some were nearly dead on arrival or died after a few cycles. other packs worked for a few months and then had one weak cell drop to the...
  11. jansevr

    serial charging/balancing 72v lipo

    i recently purchased a 1200w bms battery charger. i was planning on charging multiple 6s lipos in parallel with a board. apparently there was some sort of mis-communication and i was sent a charger that cannot charge in this way. now i am stuck trying to figure out how to serial charge 3 6s...
  12. jansevr

    turnigy nano tech cell voltage problem

    On a recent order from hobbyking one of the cells of a 6s pack was slightly out of balance. i didnt think much of it as i use a balancing charger. after a few cycles i noticed the bottom cell seemed slightly puffed. since shortly after that the cell is no longer registering on my charger. it...
  13. jansevr

    hs3540 assembly

    I had to take apart a hs3540 to fix a wire cut problem...what is the best way to assemble it without damaging the magnets? i used a gear pulled to take it apart, is there some way to use this that i'm overlooking?
  14. jansevr

    crystalyte hs3540 freewheel thread shear

    The other week my freewheel managed to sheer off the motor. im waiting reply from bikes.ca and crystalyte for a replacement. however, i have another motor currently ot of operation hat i could use the motor from. my question is: does the whole motor need to be dissasembled in order to take...
  15. jansevr

    removing hs3540 axle

    How is the axle removed? i used a gear pulled to take apart the motor, can this be used?
  16. jansevr

    crystalyte hs3540 not working....hall sensor failure??

    Last week my roommate crashed my bike, managing to sever the wires coming out the back of the cycle analyst. he said the motor wad not running right (making noises) so he pedaled home. i was easily able to solder back together the wires and fix the analyst. however, the motor still makes...
  17. jansevr

    blown mosfet on 35a infineon controller?

    i have this controller here: it was being run with a crystalyte hs3540 on 50v lipo at 40 amp limit (the shunt was modified to achieve this) i believe that the mosfet has been blown. i have no idea what happened. my roommate and his friend had taken the bikes out the previous day and i...
  18. jansevr

    khs dj150 100v CAD renderings

    this electric bike is based off of a khs dj150 bike: $700 (includes shipping!) http://www.adrenalinebikes.com/store.cfm?do=DetailProduct&productid=122609 after riding around a 50v diamondback 24 inch bmx cruiser, i want my next bike to have a similar frame with a low center of gravity like...
  19. jansevr

    75v nano tech 40+amp crystalyte hsr3540 schwinn = 45 mph

    ups finally came today =) took a few hours to build, but it was well worth it. this is the third bike i have build (the first two were 50v crystalyte hs3540 diamondback 24 inch bmx cruisers) top speed = 45mph on the flat ground =) batteries: turingy nano tech 6s 5000mah/turnigy 6s...
  20. jansevr

    diamondback 24" bmx cruiser + crystalyte hs3540 + 50v lipo

    first off, I would just like to thank everyone here at endless-sphere! So many of you have been a great help throughout the build process of this bike. I started order the parts in the middle of september 2011 and had the bike built not too long after. total miles are just under 1200! total...
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