QueticoBill wrote:Look at the ultra light chassis in design resources for a solution. http://tnttt.com/Design_Library/The%20U ... hassis.htm
tomhawk wrote:Getting rid of the cross bar near the axle is good. Saves 4 lb.
I had not thought about the coupler attachment. I think what others did was weld the vertex ends of the A frame to a short 2X2" square tube section with the coupler bolted to it.
Thanks,
Tom
tomhawk wrote:I am worried about the floor being too weak.
Alas, 5' x 9' sheets of plywood aren't available. I am planning a sandwich 1/4" ply - foam - 1/4" ply floor. I have made some trials with scarfed joints to extend the ply. I was surprised to find I could do it with my limited woodworking skill set. The advocates say not to be afraid to try. I would agree to that! It makes a really strong joint. I think the joints won't be a weak spot.
The main stress on the floor will be the 300 lb of occupants at the camp site. The cross bar supports therefore should be under the front part of the cabin with less need for the portion under the rear galley.
Tom
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