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The motor should be happy with a higher voltage. You may need to change the controller, or possibly reprogram the old one for a different voltage. 17Ah may give you a little more oomph; it will either have higher capacity cells than an 11Ah one, or more parallel banks of cells. In either case...

I'm afraid that's what it sounds like. It would be good to have confirmation from a real expert before going to the cost of a new one though. I'm not sure how standard the batteries are; you might be able to borrow one just to clarify it really is the battery

Being friendly takes time, so impossible.

I commuted 5 miles each way in pretty much all weathers on a conventional bike. One significant hill (but not huge) each way. Not in icy weather after a fall on an untreated back road. Slowly to avoid sweat. Wellies (as Matthew says above) are brilliant in wet weather; waterproof trousers...

Is the 'about a minute' the same whether you push hard uphill or pedalling gently on the flat, enough to keep the motor going? If it's a battery problem I'd expect quite a difference in time, though I guess if it has a pure speed controller it'll be using the same battery current in either of...

If you don't know the key number it will be very difficult to find a replacement. To unlock you could try a set of jiggler keys (random example https://uklockpickers.co.uk/keys/jiggler-keys.html) or drilling out the centre of the lock. I've never tried either, but apparently not too difficult...

Unlikely to be the motor. Sounds like a dying battery. That would charge to full voltage, but sag seriously as soon as power was drawn, and then cut out when the sag was too great. Even if you could check the voltage it would probably appear OK, unless you could check it while riding. That...

There's quite a long thread somewhere (*) about various alternative ways to wire, but it is much simpler just to have two batteries and swap them as needed. (*) https://www.pedelecs.co.uk/forum/threads/parallel-batteries-again.42650/

Woosh Rambletta worth a look, https://wooshbikes.co.uk/?rambletta Quite a bit cheaper than the Volt. I don't know about Volt customer service, Woosh customer service is very good.

Interesting. Another thing to consider is Gaadi inner tubes. They won't help stop punctures, but they will make replacement or even repairs much easier. https://www.sjscycles.co.uk/inner-tubes/gaadi-double-ended-presta-valve-inner-tube-275-650b-x-190-210-inch-5054584/

I'm not sure if most mid drive motors have a freewheel of sorts. If not use on a fixie would put strains on the motor for which it won't be designed. You say 'other delivery boys'; will delivery be your main use of the bike? As Waspy says above, a 250w geared rear hub motor is not illegal...

Should be OK. You could shorten it a little but not necessary. Depending on chainline you may need to fit something to keep the chain on on the front; you can even keep the old front derailleur for that. If the chain and chainrings have worn bit you may find the old chain is fine with the...

Have you got similar statistics for badgers? What about bike riders? I'm wider, shorter and heavier than I used to be.

In particular, never let a power washer get anywhere near a motor or other bike electrics. Probably best just never to let a power washer anywhere near any bike.

It sounds as if yours was particularly bad to be that wrong in just over a month. Several things can have come together to contribute. As mentioned above, one problem is that once one spoke is a bit wrong it puts extra strain on the others. Rough usage (eg bouncing off pavements) and a heavy...

I think virtually all is an overstatement. I agree that quite a large proportion is, though; a very large proportion if you go by miles ridden.

I'm not sure. I have been aware of it for several years now. It is quite possible I thought it was law but in fact it was just in discussion over much of that time, or that there has been a relatively recent change that extended that law.

Might be a big cat; tiger or lion. say.

I haven't used Delphi, but I have recently been using free Lazarus IDE + FreePascal to resuscitate some old (1980's) Pascal (non-Delphi IBM mainframe) code. It claims to be able to use Delphi version of Pascal https://www.lazarus-ide.org/index.php?page=downloads https://www.freepascal.org/ You...

Manufacturers are reasonably consistent. However, the damage done by connecting with polarity wrong means it's always worth testing first.