hand crank generator

I looked high and low for a good hand-crank generator to no avail. I wasn't asking for much: high power (~10W) and rugged (metal gears and crank). Not satisfied with the market, I decided to build my own. My design was to be simple: Take a geared 24VDC motor, add a crank, send it through a...

Does anyone have any info on a hand cranked generator that's out there without spending a load of cash? Something to just run small stuff or recharge electronics? Wolf