Leonardo's Air Screw
Posted: Wed Nov 10, 2010 12:53 pm
Discussion Boards
http://forums.armourarchive.org/phpBB2/
http://forums.armourarchive.org/phpBB2/viewtopic.php?f=16&t=125647
I was thinking the same thing, a falling weight would be a suitable period alternative energy source.Ingvarr wrote:A method of turning it other than one old man running with the rope might not hurt matters any.