3 ms·
In my youth, we used disposable camera flashes as the ignitors for potato cannons. One lead soldered to a screw, the other lead soldered to a bent coathanger. I
by tonyarkles 12y ago
In my youth, we used disposable camera flashes as the ignitors for potato cannons. One lead soldered to a screw, the other lead soldered to a bent coathanger. It's pretty amazing how many times those flash caps can handle getting a direct short!