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The bicycle is the best means of transportation ever invented by human.

I bought for riding montains and hills a SPECIALIZED TURBO LEVO ALLOY . With a 90nm motor , it is night and day ! The bike climbs everything ! Awesome ! But believe me or not, the motor which has a belt, is so smooth that it is sanitized of acceleration sensation, unlike my crappy MOMA which...

A year later, here I am again, my engine is still working but badly, very badly! The engine is slipping, it's not mechanical, it's electronic slipping. I can ride in assistance 4 on flat ground (20km/h). I can put it in 5th gear to reach 25km/h (only on flat ground).The slightest hill or...

HALL WIRES WERE IN SHORT CIRCUIT , because of overheating ! I removed the excess solder and re-did the soldering, no more short circuit , now my engine is working perfectly smoothly !!!! It is incredible !!! I dit it , i fixed my motor !!!! Thanks to everybody , and yes C2 is useless . I'll...

2. Potential solder bridge on one of the hall sensors, due to way too much solder on the joints. On this video , we can see pcb can be removed , so i will try to do it and look under . 3. One of the phase wires has been rubbing on the casing exposing part of the inner core. (where do you see...

i am sorry , but i don't understand where is "D" , i only see a ,b ,c ,s ,ground ,and +5 d is on the transistor ?

I will retry it , it seemed to work before , but what is D ? (S?) Where is this speedometer sensor ? How i do that with fridge magnet ?

here are the pictures

I don't think windings are cooked , and i can't remove the pcb ( halls are welded , no space to move pcb) but i will make better pictures with a dslr and macro lens. There is nothing on C1 to indicate his value , nothing !

Hi everyone, I did the tests again, and yes the voltage varies from 0 to 4.26V when I slowly turn the rotor for each hall sensors. But this time, thanks to my new +3 diopter pair of glasses,and my fingernail between the welds, I discovered that the C2 has not disappeared, the tiny capacity is...