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it looks like you have standard 8mm quick release on the rear wheel. Can you take the rear wheel out and take a picture of the dropout?

It's not so much certification as whether the supplier is still in business or findable in case your battery goes wrong or causes an accident. Battery cells are certified if they come from big brands like Samsung. Battery transport carton needs to be certified compliant but not curiously the BMS...

You want 3500mAH 18650 cells or 5000mAH 21700 cells. They are good value for money at the moment.

You can't fit hub motors without dropouts. Post some pictures, we'll advise.

they are coming down rapidly in price. You only need about 10-20KWH. They will come down to about £2,000.

I reckon those PV charging points have local storage battery, the PV charges the battery, the battery charges the car with additional supply from the grid. If you assume the daily usage of 40 miles, you'll need something like 10-12KWH every day to top up your battery, that's doable for a...

that battery is in 13S5P, 65 cells. It's good for 48V TSDZ2 but it's bulky and heavy.

they got us already, our only choice is to pay now or later and there is little difference between Labour's and Conservatives position at the moment. I saw Ed Miliband on TV this morning. He waffles a lot as usual but has nothing new to say. The only way to cut the bills is for people to...

the SWX02C is usually built to double walled rims with 13 gauge spokes, left and right elbow in and in 1-cross pattern. Spoke length for your rim: 235mm in that case. You can use 14 gauge spokes with the same length if you keep to left and right elbow in, 1-cross. If you want to change the...

We have 10 oil fired and 32 gas fired powerstations at the moment. years ago, some of them were converted from coal fired powerstations to oil fired then to gas fired or dual fuel. The process took about 2 months. If they could do that in 2 months, then they can convert them to dual fuels in a...

I agree that's a scam but I look at the issue differently. Traditionally, oil fired powerstation is the most expensive to run, so only used when other powerstations (gas, nuclear, renewables) have been used. Let's say the wholesale price of gas has gone up 600% in a year. In that time, the...

I like what she said about BJ's achievements just now at the door of No10: delivered brexit, covid vaccine and support for Ukraine. Compare that to what BJ said himself yesterday at the same place. Not a huge endorsement from Truss for his 3 years of tenure and at considerable cost to us all...

TBH, I am pleased that Patel, Dorries, Raab are leaving.

I can't see BJ going back to No10 in my lifetime. There is precious little time left between now and the next general election when Starmer is more likely to form a government. The only way that Liz Truss' economic policy would work is like Patrick Minford said, let the market decides, low taxes...

this idea of capping energy price for the whole country was floated back in July. I can't remember if it was Labour's idea but in essence, the statisticians reckon that doing so would cut inflation rate by 3%-3.5%. I am all for it.

conservative membership is the key to all this. They own the shares of the energy companies.

no, why give money to customers? That would be seen as a handout. all that money goes straight to the energy generating and gaz companies so to cut price at source.

she is a better tactician than TM though. Her forthcoming plan to pay £100 billions to the energy companies in the next two years while cancelling all windfall taxes on them will get her approval ratings up.

I can see that you have done a fair bit of thinking about this. Assuming that you re-use only motor and gearbox, how much do you think that this project is going to cost?

I don't think you can use a KT controller on your dad's Bosch bike. It's a locked system, like the phones. You can't turn on the battery without the Bosch LCD and the Bosch controller inside the motor. The simplest solution is to go see a Bosch dealer.