Quote:
Originally Posted by Astro
Lurking around EV forums i get the impression there is a real mix of clutch and clutchless builds.
There is a long list of pros and cons for each.
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My list for 'I need a clutch' on my DC conversion is quite short:
- my skills barely make bolting the motor coupler to the clutch achievable.
- my motor is a bit too large for my car, so I may need the clutch to act as a 'mechanical fuse' if I get the settings on the controller too aggressive
- if my controller fails at full throttle, pushing in the clutch is my last resort.
First option is turning off the ignition (4 contactors would need to fail to keep power going to the controller).
Second option is a pull cord that trips a 200A, 125V breaker - should be OK for highway driving but won't open for sure if I am accelerating.
Last resort is pressing the clutch and letting the motor grenade - but I survive.