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Expanding foam in can works very well....so i am told . Imagine the scene of spotty youth wondering why his car won't start, followed soon after by several of his mates all looking, scratching their heads, talking on their mobiles, all wondering why it won't start. Such fun can be had.....:)

I swapped from centre pull to V brakes as soon as i'd finished making mine electric. Extra weight from the batteries eventually made it necessary. I bought a cheap 'tekro' kit from ebay (less than £15). There was enough adjustment to make the V levers fit the frame on the original mounts, but...

Thanks, i must remember to a have a look around for cheap rechargable cells at the same time...:)

I don't ever consider myself a 'biker' actually...more of a car driver that has two motorbikes for fun. In fact i also have cars for fun. However you'll probably want to know more about the bikes than the cars. 1979 Kawasaki Z650 and a 1996 Suzuki 1200 GSF Bandit. The Suzuki ran a 1/4 mile...

Congratulations Flecc I'm a bit of a newbie here but you have always returned an informed reply to my questions of which i value very much. Cheers

I travel 20 miles per week to work and back. It doesn't sound like a lot (it isn't) but it's nearly a thousand per year, combined with a occasion ride during weekends. I wished i had more miles to cover now my fitness level is increasing. Covered 22 miles testing out my bike this w/e. I expect...

I'm thinking of adding a few more cells to my battery pack to increase the overall working voltage. I have tested mine between 30V-44V. 44V being the maximum i can get my pack charged and everything ran fine. I found the LVC was at 30V using a variable power supply, but was reluctant to find...

Love the conversion Vikki. Amazing how strong duct tape is!! And your website...wow! Impressive stuff. Now i know who to ask when i need some aluminium casting or machining done ;0)

Well, i managed to try out the bike today on a fairly hilly circuit. A total of 17.1 miles a bit less than i wanted (sunday roast was waiting for me). I averaged 10mph including a few stops. The total ascent/descent was 1097ft. I used the motor on all the inclines and some of the flat parts when...

Looking at your graph. Would the amount of energy absorbed have peaked at 10760mAh not 11417mAh? the point where voltage no longer increases and energy turns to heat? You say you will give the batteries another quick boost before you use them. Why would that be necessary? is heat the only reason...

Absolutely!! No i don't mind at all. This is all very interesting. I have plunged myself into this hobby knowing very little. Hence my 'give it a try' battery pack. I tested each battery only to see if it would reach the same comparatable voltage as the others (1.38V if i can remember) although...

There is a lot of useful information there Fecn. Thanks. I find it interesting to see how others go about their builds and you have obviously approached it with a fair amount of thought especially the temperature sensor. I tried to look up exactly what you are using, but all i found were...

Very interesting. It's about weight transfer. Too much power from the rear wheels makes the weight shift to the rear making the bike (and you) light on the front. (edit :and two wheel traction is better..i agree Flecc) It seems front hub motors are the way to go. It makes me rethink my ideas on...

Looks interesting. Especially the housing you are making for it..can you give me some more info? The Maplin holders were bought to be used as 'holders' i didn't think the spring and contacts would be up to much. I thought i'd try it before taking a big soldering iron to my batteries. So you used...

Controller is under the rack held on by..........cables ties!!!!! It's a 190 rpm as suggested by John. It feels about right, can't comment on hillclimbing abilities just yet, but certainly assists up to 16mph where current drain reduces to 1A-2A depending on my effort. It would be nice to test...

I have edited the link Frank. Try it now. It maybe your browser/blocking software. The battery choice was my biggest concerns Flecc. Had the exchange rate been favourable at the time i needed them i might have gone for LiPo BMS charger and all the 'gubbins' from Ping. As i said, it's just an...

Hi Everyone. Well after a little delay, i now have my bike running with electric power. It isn't finished, as i intend to move things around a little or possibly transfer the whole setup to another bike. I merely wanted to build an ebike for my own interest, just to see what exactly is...

Update on my battery pack: I have an option of buying thirty 1.2V D cells 10000mA. Approximate is cost £86 including delivery. I'm thinking...yes it's a 'shot in the dark'...but if i find they are adequate e.g. they supply enough current for my hub motor needs, then i have found my 'el cheepo'...

Well done BM I'm still working on mine. I bought a rim yesterday and now need to get the right length spokes and get the motor laced up into the wheel. Interesting comments about the battery surviving. Pity you didn't have a meter on it. Would love to know what power the motor was drawing. I...

Flecc, my intension was to connect 2 banks of 10 lithium cells in series hence 20 cells. This is the only info i can find on the D cell i am looking at. Doesn't tell you a lot as regards it's maximum discharge abilities. I guess the only way is to buy one and test it. I should say that i'm...