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I can look into this, no promises though, I don't know anything about their technology.

I used to but not since covid. Why do you want to know?

I was in Paris last week, just after the riots. Driving through Nanterre where it started. The danger is less the e-scooters, it's mainly the motorbikes. They squeeze themselves between cars with literally zero gap. It's only because you drive at 4mph in the centre of Paris that you avoid accidents.

It's all good. I fitted the bbs01 to a frame like this before.

Hello Simon, Your Karakum is straightforward to convert with an XF07 front hub and a downtube battery. For a 20 mile round trip, you'll need about 5AH so anything from 10AH will do. If you want to explore your project with a Woosh kit, please email kits@wooshbikes.co.uk

I did, a few years ago. It's perfect for flat-ish terrains.

Bafang BBS should be OK but do post some close up pictures of the bottom bracket/ chainring area to be sure.

The hl controller at the base of your battery can be refitted with a new connector to work with the new 36V 20AH DP battery. Please email support@wooshbikes.co.uk . All the 21700 cells are Panasonic 5000mAH

it looks easy enough. What's the bottom bracket shell's dimensions?

What kind of wave form (sinusoidal, sawtooth, trapezoidal or Square wave) starts the motor? Does it expect a positive minimal value to avoid limping mode?

is it microcontroller based? If it is, then it may be worth your time creating the code for it. @SW, that video you linked to is in German. I just wonder if you speak German.

how do you simulate the torque signal at present?

depending on the programming, some systems let you use PAS mode some require torque signal to be over an 'analog zero' voltage before starting the motor. I suppose you can replace the dead torque sensor with a throttle and fit a brake sensor to the existing PAS so that it will cut the PAS when...

You can rewire the new PAS signal to where the old PAS goes.

a 36V 201RPM motor will become 48V 201*1.3=261RPM The maximum speed depends on the circumference of your tyre. for example, your tyre is 20 x 1.95. Circumference: 1.57M Maximum speed 261 * 1.57 * 60 = 24.6kph = 15.3mph I would not recommend the Q128 for cargo bikes though. Its gearbox is too...

a torque sensor has 4 wires: ground, 5V, pulsed PAS and analog torque. Sometimes the analog torque output is also pulsed, but that's rare. To simulate the torque, you need to use the PAS signal as the override cut off switch to stop the motor when the pedalling stop. For sample code, there is a...

The internal resistance of a cell drops when the temperature rises. the mechanism of thermal runaway is that something, a mechanical or electrical or chemical event triggers that positive feedback loop. When it's a fault, it raises the temperature past the point of no return. The positive...

that's the output voltage of the SANS charger too, but what the voltage you see at the output is typically 41.3V-41.5V because of the drop through the charge and discharge junctions in the BMS.

but you wouldn't have to fold the stem when pushing your Brompton though?

I cabletie the top of the bag to the handlebars bolt at the top of the stem to stop the swinging from side to side. The large width of the plastic cabletie gives the bag a stabilising effect.