I hate posting FaceBook Pages, HOWEVER, this one caught my eye, and seems "Way Cool" for Prep'ers..... Vlechten met Daan | Facebook
Pedal-powered washer could make a big difference in developing nations Here is another version for less.
While the actual agitation of the clothing, in order to wash and rinse it, might not be too bad, I'm betting the spin cycle is a real bitch!
You gots to remember that the Original Ringer MayTag Washing Machines were powered by a Single Cyl Briggs Motor, with a Kick Starter.... Now that is primative
i seen one of these at the flea market a few months back ... that thins was cool and could probably be used for a bunch of other things i also think you could make one of these things is you got creative enuff