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The BB shaft can have some play in it rotaionally as it lacks some support. On the chain wheel spider side one can pry out the rubber sealing cap and place a sealed bearing in situ for added shaft support.On top I use some strong heat silicone paste to stick a 1mm neoprene seal on with. On...

I have used the osf firmware as indicated in this thread but expect I shall have to carry out somemore changes to the settings, for now I have settled on the hybrid mode to use which is combined mix of PAS mode & Torque Assist mode. All battery settings in Tab 3. adv settings are adjsuted for...

The inner BB shell needed a bit of attention with a small rounded fine chainsaw file to reomove some burrs in three locations where the ali tubes meet. The chain wheel was fairly easy to sort out, I had to buy some longer chain wheel bolts and add 1mm spacing washers to get chain spacing correct...

I was going to start a 'My cargo bike build (part 2 ) thread, but decided to keep it all here. Yesterday I finally got it all finished and today had a quick pootle about over the local nature park near me. Initial impressions, it works and no error codes. The quick ride makes the bike feel very...

One can get a snas or similar model for 10- 20 quid, they are quite easy to find . My last one I got off AliExp and it arrived quickly for my 12s/44v battery and it is fan cooled.

Tony Lee aka Woosh 3D'd a tool battery base to use on his Brompton I believe for a lightweight option.

The used value of a battery wll be not great and then there is posting, it woul dhave to be colection only. The simplest option is to replace the controller with a dual voltage one with a compatibe display then it doesn't matter which battery one uses 36 or 48v.

This is from a few years ago approx. 6, Blair's e cruiser was on ES and a very nice bespoke tool battery bike. Blair’s E-Cruiser, using DeWalt cordless tool battery packs | ELECTRICBIKE.COM

If a 36v tool battery uses the same footprint as an 18v and the actual pack itself is just taller holding twice the cells, then the same adapter would work. Other wise a good option is to series a pair for 36v, the cheapest option may be is to buy the Parkside batteries from lidl 20v and buy...

One can buy tool battery outlet bases to wire in parallel or series such as the example below. 18V Li-ion Battery Adapter DIY Wire Cable Connect Output Tool For Makita / Bosch | eBay

My G370 is used often to tow a trailer, the max I have pulled is +125kg just the once. Normally anything from 20kg - 90kg.

If you want lightest with little or no assist that rides almost as good as unpowered then the Bafang G370 1.7kg front hub, fits that bill to a tee. Also there is the 1.44kg akm 75sx. A small 10s2p mini bottle battery with inner controller in the base 2kg. Price is approx. half that the cytronex...

Yes if you have carried out the test on pos & neg then one has doen the high & low side. In my experince I have only seen the reading of approx. 9 -10k on the high side, 5k seems to be low even if they all read so. Infinity is ok .

Quite easy remove the chain from the derailleur and run it only over the two largest gears front and back, pull the two ends taut and they should over lap by two - four links max. . If more then then remove the excess links allowing for a quick link to rejoin the two ends. Two links is 1" so...

The chain will be slack and likely two - four links too long, gear changes and slipping may well occur in the high gears, chain slap on the stay may occur. Simply warp the chaIn around the 42t and and lowest (#1) cassette gear and allow two links extra. Measure the chain over 12 links in two...

A 12mm felt /roof tack is a one off and an unlikely event, even a car tyre would likely deflate or incur a slow puncture. Over thinking the possibilties isn't worth the the extra precautions over and above those that were already in use imv.

I suspect the issue is abnormal current fault so a controller /mosfet fault. Have the mosfet tests on the three phase wires been done on both the high and low side measured via both the neg and pos controller wiring ?

It will likely be faster but may struggle on hills. What size are the current wheels ?

If you say the pcb date is 2018 then it fits in with the controller date and both are likely original parts. I was wondering if the controller was different then the one supplied.

Power washers are toys for someone with nothing better to do, this is typically borne out on a BH with the sun shining and some saddo spending all morning or afternoon cleaning their drive or patio only for it to get dirty again with algae,grime and the like and they repeat it again the next...