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Thanks all, now fitted and working. The bottom left figures cycle through some info. Does ah=amp hours been used? wh=watt hours been used? but what do - wp , ap , vm - stand for ?

Thanks for the info, that's a job for the weekend planned.

Forgive my lack of electronics knowledge but I have got a blue watt meter which is labelled source one side and load the other, does the black 14g wire from the battery goes to the source or load side of the watt meter. (I don't know which is input/output when described as source/load)

I did not like the way I had originally fitted my torque arm as there was only about 1mm clearance between the torque arms middle screwhead and the motors disc rotor screwheads so have got round to designing and fitting a single piece one which aligns with a hole on the frame and gives plenty of...

I used this shop, Thecycleclinic they answered q's very quick and were helpful, they were only selling on ebay when I used them but I believe they have updated their own website now, or search ebay for sapim spokes and they appear as one of the sellers.

Thanks for the great replies. I've gone from potentially overloading the dc-dc and blowing all my lights and having no backup light either to now having an idea of how to wire a safer setup and also what switch will do and where to put everything. Can I ask 103Alex1 what is your 36v light and...

(still off topic) I think Microsoft were turning their back on the standard desktop/laptop user but I haven't seen v8.1 yet and agree mike-it should just work like previous windows has, I am dreading the day I have to switch to Win8+. Linux Mint is a good windows user alternative but I'm with...

Apart from my difficulties wiring up 2x dc-dc light sets and the problem with limiting my battery range I have realized I need to keep 1 front light on it's own small battery as a backup anyway just in case, so am going for 1xcree front and magicshine mj-818 rear on the 9v dc-dc. I don't need a...

So my +ve wire will go from battery +ve to 5a fuse to switch to dc-dc and my -ve will go from battery straight to dc-dc? Should I be using 14g wire for it all with coming straight off the battery or can I use thinner? Could you point me in the right direction for a suitable switch, my searching...

Bargain of the day. If you have a PoundstretcherExtra shop near you it's worth checking if they have some alloy rear luggage racks 26"&28" adjustable (black) in stock at just £7.49 (half price usually £14.99). I just got one from ours and it's very solid and easily as good as the £20 ones from...

My battery is the 36v 10ah bottle style and lasts aprox 24miles the way I am using it and my commute is 20miles (20% max spare amps, is that how it works?) That larger cree battery Geebee points out would be a good option for once a week charge but adds more weight for me, I have a mate who may...

Believe it or not I happen to have just received a variable 36v-3v LM2569HV d8veh mentioned a while back which I ordered from china and forgot about until it arrived the other day and thought I wouldn't need it now. So I do have 2 and could set that one down to 9v. With 2 of those dc-dc reducers...

Thanks to a recent thread on this subject I ordered/received my parts to wire my lights directly to my bike battery as I need to charge the small lights battery pack every day and would like to know if it will run ok without draining my battery too quick. How can I work out how much power...

BBC News - US company reinvents wheel to make bikes electric

Thanks d8veh for taking the time to provide this great information.

103Alex1, What rear light do you use at 9v to run off the 9v DCDC convertor?

Could you give us some spoke de-stressing tips Jerry, I too have a chinking sound occasionally and I think you may have just pointed me to the problem. My spokes appear to be evenly tensioned, and it's my first wheel.

500 miles update. This cycling (I know even assisted) is really having a benefit on my health. Speed wise, I will just say the bike is easily fast enough and am sure I am getting the full MXUS motor rpm on the flats(about 270rpm I think) on a 700c wheel. As for battery range, the first couple...

I will probably go for the Marathon Plus's early next year before the farmers start trimming the bushes. The roads do seem ok for the moment. Thanks for the replies and info.

Well, I went for the blue Watt meter and it's just arrived. Is there any calibrating type checks to do or simply wire up as per d8veh's instructions above and good to go?