Date: 03/26/2009 Views: 6964
Date: 10/01/2005 Views: 3800
Date: 02/16/2004 Views: 4683
Date: 08/23/2023 Views: 771464
Both prior ideas have faults. Ron comes up wit an idea to use springs to create negative tension of ~ 5lbs to door horn instead of posative ~ 40 lbs of pressure. Lets order some stuff from McMaster and build one. Y9-11-27