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yes, it looks like Tongsheng renamed the TSDZ8 to TSDZ2B Turbo. tsdz2 tongsheng 48V 500W or 750W 42T VLCD5 TSDZ2 electric bicycle mid motor with torque sensor throttle e-brake lever (pswpower.com)

did you catch covid? I got it 3 times that I know because of covid tests.

the algorithm does what it is supposed to do, give you access quickly to the stuff you want to watch.

I did ask tongsheng for the drawings but have not received any reply yet. The photos suggest that it's similar to the bbs.

Elon Musk has a droid called Optimus. There are other droids that can climb, jump, play ping-pong etc

it's the essence of how our brains work. Suck it and see.

Projects like HS2 are loved by politicians of all flavours because the scope for political donations is enormous.

Elon Musk posted recently a video of him in a full self driving Tesla. It has been pretrained with his AI using tons of video footages and not a single bit of usual programming. It does not need GPS and you can give it verbal direction like go park the car in front of that blue building on the...

A large battery like his can take days to balance passively and it may even not possible because the battery may be needed again before the balancing is completed. That's probably why it is in the state it is, what the guy has done on the video is probably the only way to save it. active...

We too have a few DPD electric vans in Southend-On-Sea.

there is no truly safe voltage for charging/discharging. The level of danger increases quickly with voltage but to appreciate that, you need to understand how the voltage is created in the first place.

yes, I keep repeating this, balancing happens at the end of full charge, when the charging current goes below a set level, typically 100mA. That's the reason why bleed current is less than 100mA.

I think the charging issue concerns people who live in flats who can't run a line from their flat to their car. There must be somehow a better charging scheme than those sky high prices at the moment. We also need a way to secure the charging cable.

me too, I appreciate the usefullness of this thread, and for the links to various voltage reference boards that you can buy. However, if your charger works until now, there is no need to worry that you need to buy additional test equipment, DVMs and reference boards. BMS and charger are designed...

From the pictures, that bike has hollowtech II bottom bracket so it is compatible with Bafang BBS01/02.

That Rocky Mountain Element + Bafang BBS01 would make an excellent e-bike with some cash to spare.

Incremental improvement but not changing the fortune of hydrogen. I cannot see generalised use of hydrogen though. Leaky pipes will add so much cost of distribution for the foreseeable future.

He makes good I agree with you there. The Pfizers and Modernas of this world are no doubt the main winners but mRNA vaccines are the best route to vaccines at the time. There weren't any credible alternatives.

There isn't much difference between those 3 to worry about. When riding on electric, you would never need the small chainring. Single chainring leaves you with more space on the handlebars.

saneagle is ace at fault finding.