What do you folks think of this?
I mount it inside the battery box with some sort of rotational spring and a latch on the outside. Hook the ankle strap up to the latch so what when I fall off the board it yanks the latch, releases the spring which rotates the knob and shuts off the power. Obviously there’d have to be a secondary release that let me loose from the board, but that’s just velcro.
This seems easier than a solenoid, relay or contactor.
What are your thoughts? If we don’t see any problems with the basic idea I’ll try to model up a complete setup for review.