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  1. D

    How much power would this ebike require?

    http://tvnz.co.nz/world-news/bike-can-fly-video-5463490
  2. D

    Alpe d'Huez on an e-bike?

    With all the talk about Pikes Peak and alternative hill climbs I was wondering if anybody has ridden up the Alpe d'Huez on an e-bike? It looks quite formidable!! 8.5 miles with 21 hairpins!! Average gradient 7.9%; Maximum gradient 14% Start altitude 717m; Finish altitude 1850m.
  3. D

    MAC motor - possible bearing issue

    Requesting help with the following problem. My MAC motor / rear wheel fited to a Trek hard tail feels like it has a bad flat spot. It's done about 1200km since new, the rear tyre has never fitted the rim perfectly and has always had a slight flat spot as a result. This was only noticeable on...
  4. D

    Lifepo4 - CA - LVC

    Have i got this right re my Lifepo4 A123 9.2Ah (16s4p) pack and LVC setting, and interpreting the info. I understand Lifepo4 cell voltage ranges from 3.6 - 2.0 volts. 2v = empty or 100% DOD. So fully charged i should see 16 x 3.6 = 57.6v on my CA. If i discharge the pack 100% the CA would read...
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    Infineon ctlr shunt resistance

    Does anyone know the shunt resistance value for 9 fet 3077 Infineon controller? I've searched through the forums and seen plenty of reference to shunt resistance but i haven't seen the actual value stated. It's a Cell man controller, i've emailed him but no response as yet. I'm trying to...
  6. D

    Michael Schumacher joins the ebike crowd

    Saw this on the local news website... http://www.stuff.co.nz/technology/gadgets/5361610/E-bikes-a-hit-with-green-Germans
  7. D

    Tires - SERFAS Drifter Tyre 26 x 2.0

    Anybody have experience with Serfas tyres? I can pick them up here in NZ for about USD13...just wondering what their dry and wet traction, and puncture resistance is like? Not a lot of choice here for MTB semi-slick tyres. Shipping from US is quite expensive so trying to source locally. I've...
  8. D

    1st build Mac / Trek

    So i received my kit (geared 500w Mac rear, 9 fet ctlr, 16s4p A123 battery) from Cell Man...all looks good. Charged battery (it was pretty much full), fitted wheel/motor to frame for some no load checks and the motor doesn't spin. When the throttle is applied the wheel moves about 5mm and i can...
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    Searching for battery box thread

    I've been looking for a thread that i previously saw which was titled something like 'unusual battery boxes' or something similar. I've searched the forums can't seem to locate it. Does anybody know the thread and where i might find it? Thanks.
  10. D

    Advice requested for first build

    Hi, Firstly what a great forum, there's an absolute wealth of information here. I've been reading the forum for a month, particularly the new build threads, with the intention of converting my Trek 4100 MTB (approx 8 yrs old) and have narrowed down what i'm after but would appreciate any...
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