How To, 50A BBSHD Controller Mod

This old BBSHD controller is fulfilled. It is my fourth tuned controller and it got the full overhaul. Tuned to the max and ready for 22S 92V 55A.
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It will be an absolute beast and probably the most insane BBSHD with an original controller 😎 .

I somewhat expect the motor axle to snap but it doesn't matter. It was a journey to get there. Will I do another FET job? Hell no it took six hours.


All mods done:
- Vdrop of approx 30V on brown wire using LEDs. The controller allows and displays up to 61.4 V on dpc18 display.

- Shunt mod 60A using two extra 5 mOhm resistors.

- Caps replaced with 100V models, 1700uF in all inside controller. I might add an extra outside controller.

- Mosfets NF75NF replaced with IRFB4110.
from: DKK 37.26 | 10PCS-50PCS IRFB4110PBF TO220 IRFB4110 B4110 TO-220 MOS FET transistor Original disassembly

- Stator/housing sides creamed with cooling paste (a real mess to do and a pain to reseat the axle and end bearing).

- Thermistor NTC 10kOhm from laptop battery pack inserted into stator windings, ready for external readout.

- All important traces on controller beefed up with copper wire.

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Did you repot the controller or is it not neccesary? I was also wondering it you just changed the 2 caps and for what values. i can see a 1000 uf. is the other 220 uf?
 
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