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Old 10-24-2010, 07:27 AM   #2 (permalink)
basjoos
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Looks like a good project. A couple of points to think about.

If you have it attached to back of the hatch and swinging up with the hatch vertically when you open it in the manner of the nose of the C-5 cargo jet, you will need to install stronger gas stuts to take the extra weight of the boattail. Also if you design the boattail so it can hold cargo (a useful idea), it complicates the gas strut situation since, unless you plan to unload the cargo each time before opening the hatch, you will have a wide range of weights that the struts will have to lift and the cargo could get tumbled as the boattail pivots skyward.

An alternative design is to design the boattail so it pivots horizontally rather than vertically to open out of the way of the hatch. This eliminates the need to beef up your struts and the problem of varying cargo weights. There are some spare tire holders for SUVs that are designed to pivot the spare tire out of the way so you can open their hatch that you might be able to adapt or copy to hold a horizontallly swinging boattail.
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