04
Jun

Final Assembly

Written by admin. Posted in AC Traction Motor

Here is the final assembly of the drive system:

Mount the flywheel and insert the pilot bearing

01
Jan

Flywheel lightening project is complete

Written by admin. Posted in AC Traction Motor

Flywheel lightening project is complete. Don’t need this stinking steel mass to smooth out any non-existant combustion impulses from my electric motor…

The original steel flywheel is 22.5 lbs(10.4kg), the copy on the right is 9.5 lbs (4.3kg). That is 13 lbs lighter.

The goal of 10kg max total assembly weight was just met—got lucky again…

15
Oct

Little adjustment on the motor mount

Written by admin. Posted in AC Traction Motor

One more little adjustment on the motor mount:


24
Feb

The flywheel weight reduction project

Written by admin. Posted in AC Traction Motor

This chunk of ALU will be machined to match the critical surfaces and mounting locations of the original steel flywheel. The back side will be significantly hollowed out leaving only the material needed for structural strength.

After some time with the bandsaw, here is the flywheel taking form:


02
Jan

Mechanical drive train complete

Written by admin. Posted in AC Traction Motor

This stainless steel box structure has to be able to withstand the significant torque the motor puts out (or takes in with regen) to/from the drive shaft. This low profile design allows for best clearance with the battery pack and water cooling lines.


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