[NeilBlanchard]

I've been smoothing the hatch door and the hatch opening:





The shaping at the hinge end is going to be tricky. I want to have compact hinges that are near the outer surface. I need a good rain gutter for when the door is open, and I'd like to have two latches along each side and one latch at the center back of the hatch, where it overlays the two rear doors. The rib will have a notch in it to fully capture the rear doors, which will overlap each other at a slight angle.

Edit: the latches I am thinking of doing are short posts with heads on the door parallel with the ground and in the opening there would be round cams that capture the head and pull it tight. The latches can be cable activated in series as it were. Although having said that, the first iteration have just be large quarter turn fasteners or wing nuts - something to secure the door and lock it into the opening so that it strengthens the structure. Two hinges and five latches mean lots of triangles are formed.