Power Racing Series Wiki

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====== Kill Switch ======

A Kill Switch is **REQUIRED**.

I believe it is considered safety equipment, and therefore exempt from the budget.

The Kill Switch should be easily recognizable as such, so that a Track Marshal or any racer can easily disable a runaway car.

Some cars have multiple Kill Switches.


===== Dead Man Switch =====

Some cars also have a Dead Man Switch. Typically this is a small rope that goes around a drivers wrist with a wire loop and an Anderson connector. If the driver becomes separated from the vehicle (or yanks their arm too far from the steering device) the connector disconnects killing power to the car.

This is a schematic of the wiring for a 36V battery and a 12V main contactor.
{{:cars:ppprs_wiring.pdf|}}

Make sure your heavy contactor can handle the current and is designed for continous use - starter relays will burn up if left turned on.

http://www.surpluscenter.com/Electrical/Relays-Contactors-Solenoids/DC-Relays-Contactors-Solenoids/12-VDC-SPST-CONT-DUTY-INSULATED-STEEL-CASE-SOLENOID-11-3278.axd

The 2 pin connector can be anything, but Milwaukee Makerspace has had good luck with these on short wires:
http://www.powerwerx.com/anderson-powerpoles/powerpole-sets/15-amp-red-black-anderson-powerpole-sets.html

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