Electric Ride On (Powerwheels) Pedal Mount
thingiverse
Here is a bracket designed to hold one of those widely available plastic hall-effect accelerator pedals. I used that pedal in place of the potentiometer on a servo tester to control a brushed RC speed controller. This gave the rig variable throttle which made the gearboxes last longer, reduced whiplash, and increased the drivability. It's designed to sandwich the plastic floorboard with 10-32 flat head screws. The pedal mounts to the bracket with I believe #8 self taping screws. Printed in PLA and ran forever but I would recommend PETG or something stronger for a permanent solution. Search for "12v/24v/36v/48v Electric Foot Throttle Pedal fit E-Scooter Go Kart Cart" for the pedal seen here.
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