Search results

  1. J

    batteries and the ah con

    ahhh ok fair point does that mean lipos are subject to the same flaws as lead acid. i.e. higher discharge rate makes for less overall ah capacity in the battery?
  2. J

    add regen brakeing. without the regen

    mad question here again. bought an ebay 48v brushless gearless 1000w motor kit. there doesnt appear to be a regen braking facility on the controller. id like some extra stopping power not to botherd about the regen part (as the title suggest) but id like to know how easy it would be to add an...
  3. J

    Regenerative Braking.

    interesting stuff. i know that the bad points are up there. regen doesnt really regen a lot :( however i think a lot of the people are missing a main point about regen brakes. its essentially another set of calipers making braking quicker,safer and more efficient. also less stress/wear on...
  4. J

    batteries and the ah con

    i wont even get started on sla's and there 20hour rating system i want to ask about lipos and lifepo4 etc for rc car experience my 3300mah lipos last about 20mins then they are low voltage. my imax b6 charger from this state says it only puts in around 1700ma in to get it fully charged again...
  5. J

    Lipo SLA boost?

    thanks for the info. very useful i will be able to negate the low rpm causing heat by using 48v at slower speeds.
  6. J

    max safe limit when overvolting/amping a 48v 1000w brushless gearless hub?

    thanks for the info. i have a few ideas bubbling in my head. your probably right i will end up wanting more. acceleration is fine but i would like a bit more top speed right now. i still havn't gotten an estimate for a new top speed running at 60v :D 35- 40mph? what do you think? possible on...
  7. J

    Lipo SLA boost?

    ahhhh i see.... thanks for the info. its helped my understanding loads my idea bad, your idea good. its sparked my imagination, has anyone done something like this before? a turbo/boost button i mean im gonna take my controller apart and do some component inspection soon. maybe replace things...
  8. J

    max safe limit when overvolting/amping a 48v 1000w brushless gearless hub?

    thanks for all the replies. its really helped. i am from brum so yes a bad sleeper. i did think about an electric motorbike forum but seeing as im using a bike as a base frame and a bike hub motor i thought itd be better on here, and it is :D sorry mike my mistake, i meant hub instead of bike...
  9. J

    Lipo SLA boost?

    name doesnt say it all. bit of a weird one here. running 48v 1000w brushless gearless motor on 4x 12v 20ah sla batteries. all is well. however....... i have 4 nigh on brand new 3s 12v 3300mah 30c lipos sitting about (toy car is broke) if i run them in series i get a tiny 3300mah 48v lipo. if...
  10. J

    max safe limit when overvolting/amping a 48v 1000w brushless gearless hub?

    hello The name says it all. ive purchased a 48v 1000w brushless gearless hub motor kit from ebay. it works perfectly. http://www.ebay.co.uk/itm/181237508447 as a heads up, im running a pedal bike with no pedals/pedaling so essentially a cheap electric motorbike. .only had it today and im...
  11. J

    jimmy from brum

    hello. im james from brum, got into making electric bikes from golf trolllies on the cheap a few years ago. finally bought/upgraded an ebay hub motor kit and im impressed. im here to gain some knowledge and hopefully give some in return.