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Variable Throttle Drill Switch Autobrake

Posted: Sat Aug 12, 2017 8:40 am
by TNetrider
So I just replaced the throttle switch in my sons lightning McQueen (6V, bumped to 12V) with a drill switch. The switch is labeled 7.2V to 24V 16A. Although amerage rating is a bit low, but it seems to be working fine. Additionally, didn't realize that the drill switch has autobrake when the throttle is released (just like the way the factory throttle would work), a bonus!

Re: Variable Throttle Drill Switch Autobrake

Posted: Sat Aug 12, 2017 6:33 pm
by Beargibson3100
Cool, Just picked up on of these for my son. I want to find a second gearbox for it. A couple of cheap lithium drills would make an excellent power setup for one of these. I guess you could even go brushless if you were willing to buy a couple of brushless drills :D

Re: Variable Throttle Drill Switch Autobrake

Posted: Sat Aug 12, 2017 6:44 pm
by TNetrider
If anyone is interested, this is the drill switch I used...

http://www.ebay.com/itm/16A-7-2-24V-Ele ... 2749.l2649

Re: Variable Throttle Drill Switch Autobrake

Posted: Sun Aug 13, 2017 12:35 pm
by dlgg7
Yep, these have a load resistor and blocking diode that would handle the braking, wonder if anyone (maybe CJB?) has hooked one up w/current meter to measure current draw thru this at different loads. Wish I had one to try that, for $3. it would be interesting.

Re: Variable Throttle Drill Switch Autobrake

Posted: Fri Mar 08, 2019 2:50 pm
by Steeevo
How would i go about wiring this to the foot pedal switch???

Re: Variable Throttle Drill Switch Autobrake

Posted: Mon Jun 17, 2019 4:35 pm
by TNetrider
Red & black on trigger switch goes directly on the positive and negative battery terminals respectively. The other two Red & Black goes on the motor.