I've attempted to use a windup flashlight with a 12v port to recharge my iPhone; I get about one minute of 3g use for 5 minutes of winding. Now, if you had a f

I've attempted to use a windup flashlight with a 12v port to recharge my iPhone; I get about one minute of 3g use for 5 minutes of winding. Now, if you had a footpedal, or some other way you could charge it while using it, that'd work.