This alarm clock is guaranteed to wake you up. It consists of a fire alarm bell and a circuit that allows a standard tiny alarm clock to activate it! Is this the worlds loudest alarm clock?
Long video version.
http://hackedgadg ets.com/2008/01/11/f ire-alarm-bell-alarm -clock-worlds-loudes t-alarm-clock/
Projectile: 32 grams, 11.65mm diameter (45 caliber), 49.35mm long
Input Energy: 1.7kj (7200uf @ 700v)
Switch: Screw terminal SCRs (3 in parallel)
Coil: 3 layers of 50 turns each
Wire: 14awg magnet wire
Barrel: PVC
Output Velocity: 57.3288 m/s
Target: Coffee can
See more here:
http://fastmhz.co m
Featured on:
http://hackedgadg ets.com
