120 Ton Hole Puncher

From Open Source Ecology

Revision as of 21:50, 2 June 2010 by WikiSysop (talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to navigation Jump to search

Initial design:

20 ton cylinder
6-1 mechanical advantage
Frame cost is $500 for about 670 lb of steel, not counting die, base, or hydraulics

File:Holepuncher.dxf

Retrieved from "https://wiki.opensourceecology.org/index.php?title=120_Ton_Hole_Puncher&oldid=12226"