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  1. stew007

    Nano Lipo's

    Seems there is a new breed of Lipos emerging 8) They give 4 x more cycles than normal lipos so thats like 2000+ cycles, and can be charged at a 5c rate, so a 10-12 min charge time :shock: still, quite expensive, but not so much when lifespan is factored in, but that will change when the tec...
  2. stew007

    ebikes 35a 72v controller + 24s Lipo? will it go pop?

    I could use some help here from you guys in the know ;) I already have an 18s setup on this bike, and it works very well, but I am tempted to try 24s just for a bit of fun to see how far I can push the performance of a 408, now a fully charged 24s pack will be around 100.66 volts, nominal...
  3. stew007

    loose spokes crys 408

    looking for some advice from anyone who has some knowledge of spokes :) here I have the crys 408 front hub wheel, factory mounted in a 26"rim, these past couple of runs I noticed some creaking sounds coming from the front wheel, the spokes seems to be far too slack. Now, can I fix this if I...
  4. stew007

    my new stealthy e-bike

    Well here she is, the bike is a 1987 Raleigh Magnum, Motor, Crys 408 Controller ebikes.ca 35a 72v Batteries 3 x 22.2v home built 10ah 10c Lipo in series 66.6v Maxamps.com 100a cont, 300a burst, total weight 3.6kg (126 oz) Deans connectors Cycle Analyst Hyperion Duo balance charger Cut off...
  5. stew007

    some questions about my first ebike

    well, it's gone very well so far, a crys 408 running on 66.6v, 10ah 18s 10c cont/30c burst lipos and a crys 35a 72v controller Do you guys think I will need a torque arm on this setup? there is no signs of it moving up till now and there is loads of power, the forks are steel, quite heavy duty...
  6. stew007

    ESC's, can someone explain why...

    Newbie question alert! The ESC designed for electric bikes are so big, I fly electric planes/helis and the esc's are tiny in comparison, like this one http://www.r2hobbies.com/proddetail.php?prod=rcps81708_120 It's brushless, can handle 47v at 120 amps cont. Would these work with Puma...
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