I have a Marketeer Golf Cart (trike from the late 50's early 60's) that is very "Old School" in the motor control dept.
The Motor is a 4 1/2HP Gen Electric series wound motor that has 2 heater type resistive elements that limit the current to the field windings of the motor as the accelerator control is stepped on.
The Forward Reverse switch is a pair of 1/4" thick copper bars that have a 3rd bar that pivots such that the +ve and -ve lines are reversed.
When I descend a steep incline I have been engaging the reverse to slow the trike as it works far better than the brakes. If I depress the accelerator in reverse (while going down hill forward) the braking action is even more pronounced.
My initial question is, is this returning any energy back into the battery pack?
Along the same lines, I just recieved a "Pargo Bar-Car" that will be converted to a Utility hauler for our farm. It has a near identical motor but far more elabourate control system that employs 7 (seven) solenoids to accomplish the speed control as well as forward reverse.
The marketeer weighs just a couple of 100 lbs and has very robust simple components that are not likely to fail, but the Pargo will likely weigh over 1000lbs when fully loaded and I'm hesitant to risk it or myself if there is a chance that I could damage a solenoid by this practice.
Thanks for any info or ideas.