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Old 07-19-2009, 08:00 PM   #2034 (permalink)
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Originally Posted by MPaulHolmes View Post
An interesting thing to consider for all those clutchless people in the house. If you do throttle proportional to current only, it can cause slight problems under certain circumstances.

For example, let's say you took the car out of gear, and you are coasting at maybe 25 mph. Now let's say you want to put it in gear before stopping. Well, you have to rev up the unloaded motor a bit to be able to put it in gear. However, throttle proportional to current means that an unloaded motor is VERY sensitive.
This seems like a problem even if you aren't in neutral. If I'm coming into town after driving on the highway, I think* I'm going to need to rev the motor to shift into a lower gear. This seems really necessary if I've put lighter or synthetic oil in the transmission. EV drivers: is this an issue?


* No experience driving a clutchless EV, just a Muncie crash box.
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