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How many people keep their petrol powered moped or motorcycle in the house. Large stores of energy are always potential hazards if mishandled or faulty. I think these control freaks clucking (Chicken Licken reference) about ebike fires are the same sort who legislated that motorised carriages...

How did the gearing change go? I think that would make it much better.

People who advocate such policy need to be taken in hand and removed to a re-education centre where common sense is drummed into them before release. Is that too extreme? No more so than the original Big Brother / State control of small things proposal was.

You mean built in obsolescence. You MUST get a new battery when Big Brother says so. Fk that! This is pretty much a NONE ISSUE. In the whole of the UK there were 183 ebike /scooter battery fires last year out of 26,974 domestic fires and 145,313 fires overall. You are FAR more likely to be...

That tiny caravan trailer is a fine piece of design thinking.

What a huge adventure Matthew! Hat off to you sir, for a tremendous effort and achievement. I am wondering what percentage of your energy input on that outfit comes from your own muscle and how much from the sun. Is it possible to estimate how much is solar and how much is Matthew? In the...

Yeah, releasing 32 billion tonnes of carbon dioxide a year from fossilised carbon has no effect at all, does it? Co2 is still a trace gas in our atmosphere, but there is no doubt at all that along with other factors such as the Milankovitch cycles and solar radiance, it does have significant...

Does flecc REALLY think that in six weeks,the new government managed to resurface many miles of road? REALLY? How naive. Putting contracts out to tender and judging the bids, would take MUCH longer than that on its own, not to mention the logistics of getting heavy plant and thousands of...

I am happy that you are enjoying this absolute bargain. I too am really pleased with my cheaper, and slightly less ideal Argos bike - the 20" e-move folder. I think the key takeaway for me is to remember how little these bargain basement bikes cost us. I rode mine twice yesterday, one trip...

You are assuming these bikes have 'crappy' cells. I have so far had no indication that they are not perfectly functional cells, though they may not be big name ones. I got easily 23 miles range and the bike was riding properly. I didn't continue the range test, simply because there was no...

Thanks Portals. Yes I went away and looked it up after I posted the question. The shunt provides a measure of current which is used by the controller to estimate how much current is flowing - the shunt being a known resistance (which we now change to trick the controller. By lessening the...

I am looking forward to the updates and am glad you are doing the upgrades. Very entertaining from my point of view.

How does soldering the shunt in the controller increase performance? I have heard of it, but don't know how it works, and I am wondering how it might affect the reliability of whatever mosfets are in the box already if power is increased. It might be - probably really is - that the mosfets...

I might be misunderstanding you, but i think it is the controller that is limiting the wattage, rather than the cells. EDIT: And from what Saneagle says about the start up shove on small wheeled folders, that may have been in their mind when they limited it so far. It already starts off...

But I like it........ Why would I do this mad thing you are suggesting? Maybe you are joking again. :) By the way - instead of making your ultrasonic shrieking dog deterrent, why not buy one of those Stuka dive bomber sirens on the second hand war bird market. You can even get them for model...

Oh - I AM VERY interested in what you are doing here. Even if I don't change anything, I am keen to know how it is made and put together. Shame you don't want to open the battery, but I certainly understand why.

Wow - so if the battery is fresh it might get 320 watts to play with, and if it was down at 35 volts - maybe 280 watts. This must be why I managed to get 23 miles out of an 8Ahr battery, and why it doesn't feel that keen to pull me up steep hills. :)

The battery case screws are filled with some sort of adhesive, maybe epoxy, or maybe hot glue. I refrained from opening my case to avoid warranty problems. The glue has obviously been used to discourage tampering and removal would void the warranty. In my view there is no need to do anything to...

It already is an epic fun ride. I have just been riding mine another 15 miles around Hadrian's Wall. I'm grinning all the way. One of my neighbour's - a lady of a certain age has begged a 'try' from me and thinks it is fabulous. You just have to adopt the philosophy of. 'It is what it is.' It...

Ha ha ha - I know! One of my sons is about 110 kg - he might be more. He also put the same point to me when we were walking up a steep hill and I complained about him going slowly. :) Funny thing is - I used to carry him on my shoulders!