Date: 12/31/1969 Views: 2053
Date: 07/15/2009 Views: 2583
Date: 07/18/2008 Views: 4017
Date: 08/23/2023 Views: 82153
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