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Amen to that! Certainly helps me..I have to go through this process. Some people might either follow an existing approach known to work, else just immediately go to work with their own ideas and figure it out by trial and error.. I have a limited budget though. I don't want to get this wrong...

I can do some mods to the rear axle myself I think. Just nothing major like machine engineering new parts from scratch as I don't have a proper workshop and the equipment, even if I had the know-how or guidance! If it's deemed worthwhile making new parts and re-engineering the rear axle to...

It is very interesting Phil and quite a challenge! The time is going to be a problem as I don't have loads of it to spare, as I work full-time. It will have to be a gradual project done over many weeks. Another problem is the C5 is in my storage unit as I live in a 2nd floor flat and it's just...

Damn. I think I nearly wrote an essay there at 1,000 words! I'm trying to express my thinking though and thoughts out aloud, and bounce ideas here, so sorry if I'm rambling a bit guys! Maybe someone will pick up on something I've read though and have some good ideas on how to restore or...

Great post tillson, very thoughtful. I have been thinking the same! Whilst initially it's tempting to want to improve the C5 and fill it with modern technology and tons of power as a show-piece or to say "this is the C5 done RIGHT", the C5 is a vintage electric vehicle and landmark in British...

Thanks d8vh for explaining that so clearly. That certainly helps make things clear on the battery side of things and motor choice. The original C5 motor is rated: 12V 29A 250W 3300 RPM

I'm not intending to ride this thing roads, really the updating was just for a hobby and for the hell of it...so the legal side of it doesn't really factor into it on how I convert this... however I take your point totally, that it would have to be 1 motor and 250W max to be road legal and safe...

Has anyone noticed there's a large influx of Chinese sellers (operating within the UK) now offering 500W and 1000W kits and bikes on eBay, totally ignoring the e-bike law. eBay as a marketplace is obviously not going to do anything or get involved either if you report the listings as being...

These sellers offering illegal e-bikes need to be shunned and exposed. I don't know about other e-bike enthusiasts, but it makes me really angry when I see them. At the moment we have fairly relaxed laws and no regulation on our e-bikes (we can even use throttle without pedaling still?), but...

That's an interesting post Phil, be careful with the falling over! Damn. You don't want a repeat of what happened to me. When I lost consciousness and fell suddenly my head hit the floor quite hard. You might need to wear a bicycle helmet to protect yourself if you don't already! I do think...

4,000W love it! Everything is done LARGE in USA. Supersize my C5!

Is this legal? E-bike law says an e-bike has to have working pedals...how about replacing the C5's big oversized pedals with neat little small folding ones that fold away allowing more leg room for those taller people? The only time those will be unfolded and used is when the battery is totally...

Similar thoughts are now crossing my mind. How about this.... strip down the C5, discard everything except the body shell, and fit this under it (£280 from Germany on eBay + £8 delivery). Lose the mudguards and weird steering bars of course. All it needs is 16" wheels at the back, and...

Day 1 - Cleaning the front wheel cover! :D When I bought the C5 it was missing it's iconic front-wheel cover. And in the C5 world this is a very bad thing. I asked the 77 year old original owner if he knew where it was. He did not. So to my utter surprise and amazement, when I opened the boot...

Thinking about the catch 22 with C5, the limited size of it as an EV, and the need for 48V to make it handle hills and speed properly like an EV...you can understand why most of the mod approaches have abandoned electric and moved to gas turbine or petrol. Makes sense. I absolutely want to keep...

Ha it surely would! But the little C5 would probably back-end and just go nose up if you installed one of those in the back lol. I'd need to put on some weight myself to balance it out lol

I had the same issue when I converted the Mezzo. Because it has the same size 16" 349mm wheel rims as the Brompton I needed a very high RPM motor. I chose a factory in China that made kits to order, and it worked beautifully, very fast RPM and just the right amount of torque. I did a comparison...

Hi d8vh great to see a familiar name and you still have the same avatar! I hope you're well yourself. As for me, I'm sort-of ok! I feel a lot better than 6-8 months ago. However my brain isn't as sharp as it once was :-/ Maybe it will improve, they do say the brain is like a muscle the more you...

flecc... as you have a brilliant engineers brain..I'd be interested to know what you think of the Sinclair C5...was it terribly flawed design and wasted opportunity, or an ok design and just too ahead of its time and badly marketed? It's astonishing that £23 million of investment was put into...

Thank you flecc. :) It's great to be back and see all my old friends after all this time. I do hope Lynda is ok, the last I heard she was on her travels in her mobile home and was just enjoying life she said taking it one day a time. She also had just completed her move back up north to be...