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Hi all and anyone, The threads on the axle of my MAC motor have stripped. I've spoken to eM3ev who have spoken to MAC and neither have an old one. This axle has the phase wires threaded through the centre unlike the newer versions that have the wires through the casing. I just thought I'd ask...

Hi, I'm having a problem with my front wheel mac motor (geared hub motor similar to BMC). Firstly I believe the clutch is stuck, it sounds like the motor is turning when I'm freewheeling with the throttle off. I replaced the gears on it fairly recently and used a black coloured multi purpose...

Hi all, One of the prismatic pouch cells in my lifepo4 battery has died. It's showing zero voltage and although it doesn't appear puffed the pouch is loose and the sides are not smooth like the remaining cells. I assume there has been some physical damage. The cell has no writing on it and so...

Hi, I have a dead 48v battery 14s9p using samsung 22p cells. I discussed it a bit on a post here when I was deciding on a replacement. http://www.pedelecs.co.uk/forum/threads/battery-advice-wanted-a123-pouch-cells-or-18650-cells.30397 I've since replaced it with a LiFePo4 battery with...

Hi, I wasn't sure which forum to post this on but as my bike is a conversion this seemed the best place. I've been running my bike for nearly 5 years and use it for an 8 mile commute over the south downs. I bought 2 kits and 2 batteries from cellman. The batteries were 16 cell A123 cells 20ah...

Hi all, My girlfriends bike (em3ev conversion) had a problem cutting out the other day just after we had set off. Whilst I was doing the usual checks for loose connections there was a puff of smoke from the battery so I immediately disconnected it and we walked home. I've since tested for...

Hi folks, I'm having difficulty diagnosing a problem with my MAC motor kit so I'm hoping someone here will have the knowledge and experience to tell me exactly what the problem is. The problem started yesterday when I came to use the bike for my commute home from work. It had been absolutely...