Enhanced Bow Drill Torch (Self generating torch)
4,846 views · Published 27 October 2012 · 1:24 · Indexed 23 September 2026
Channel: Thomas Kim · 2012 · Science & Technology
Bow Drill Torch enhanced version. 5.1V zener diode, 5.5V 1F super capacitor, 100ohm resistor, switch added Bow drill torch : http://youtu.be/3RXQu2KrfkE
