Crazy,
The width of the dinghy should be considered also. As for the height, this Weaver setup may provide a solution. http://www.weaverindustries.com/index.cfm/product/83/snap-ups-davits.html Or these http://www.weaverindustries.com/ind...-heads-that-are-lowered-down-to-6-inches.html if a 6" drop would be enough.
The width of the dinghy should be considered also. As for the height, this Weaver setup may provide a solution. http://www.weaverindustries.com/index.cfm/product/83/snap-ups-davits.html Or these http://www.weaverindustries.com/ind...-heads-that-are-lowered-down-to-6-inches.html if a 6" drop would be enough.