Carrera Vulcan hacks..

vfr400

Esteemed Pedelecer
Jun 12, 2011
1,517
280
Basildon
Cells don't cause cutouts. The BMS does.

Use any large capacitor you can find, say 470mfd or 1000mfd. It just needs to be rated at a high enough voltage, say 60V or more. Solder it directly across the battery wires, making sure that you get it the right wzy round, otherwise it will go bang.
 

anon4

Esteemed Pedelecer
May 9, 2017
516
78
27
GB
Cells don't cause cutouts. The BMS does.

Use any large capacitor you can find, say 470mfd or 1000mfd. It just needs to be rated at a high enough voltage, say 60V or more. Solder it directly across the battery wires, making sure that you get it the right wzy round, otherwise it will go bang.
Ok my hub has just totally died, wiring seems ok. If I push the bike backwards and blip the throttle it will engage and run unloaded, loaded it will not. It is also very loud, I think the internal gearing or the clutch is knackered, maybe that's why it wouldn't run at higher current because it was starting to slip?
 

vfr400

Esteemed Pedelecer
Jun 12, 2011
1,517
280
Basildon
Either one or more MOSFETs are blown in your controller or you have a connection issue between the controller and the motor. As you replaced the motor, the only place the connection issue could be is between the controller and the connector near the motor. Check the cable for damage too. If no damage or bad connections, you need a new controller.
 

anon4

Esteemed Pedelecer
May 9, 2017
516
78
27
GB
Either one or more MOSFETs are blown in your controller or you have a connection issue between the controller and the motor. As you replaced the motor, the only place the connection issue could be is between the controller and the connector near the motor. Check the cable for damage too. If no damage or bad connections, you need a new controller.
Yeah already figured it out. Think it was the cause of the cutouts too, opened the controller and it looks like the shunt has been arcing against one of the caps and eventually blown something. Piece of crap
 

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