kbstone Posted December 30, 2023 Share Posted December 30, 2023 I've started going through each chapter and verifying the work completed thus far on the kit I recently purchased. My kit S/N is 02-10-51-173 so it's over 20 years old and I expect to need some parts that I'm probably missing. The "Air Outlet" on top of the fuselage behind the cabin is a round hole instead of a square. I have the part (sitting behind the hole in the picture) but I'm wondering if my top skin is for the parachute (which I don't have). I'll fabricate a cover and mount the air outlet part I have but I wanted to see if the group could provide any insight as to why this hole is round and not square. Thanks! Link to comment Share on other sites More sharing options...
Methusala Posted December 30, 2023 Share Posted December 30, 2023 Square holes include free stress risers? 1 Link to comment Share on other sites More sharing options...
IBob Posted December 30, 2023 Share Posted December 30, 2023 I don't know kbstone. What the kits have now is a round pattern of drilled holes in the top skin, that fit under the cover you have there. I would add a skin over that big hole, with a circular pattern of round holes, then mount your cover over that. We put the cover on late, as we like to apply silicone between skin and cover, also a lip of silicone round the holes to keep out rain both in the air and on the ground. 1 Link to comment Share on other sites More sharing options...
IBob Posted December 30, 2023 Share Posted December 30, 2023 (edited) FWIW kbstone, my kit came with the skin holes and blowout panels for a parachute setup. Since I have no parachute, rather than mess around with those panels (which go under the skin), I just blanked the holes off with a simple capping panel. This I made with an offcut from the kit, specifically the cut out piece in the lower wing skins where the tanks go in. If someone wants to fit a parachute in future, that is simple enough. In the meantime it is a tidy and weatherproof solution in a place nobody ever looks anyway. Edited December 30, 2023 by IBob 2 Link to comment Share on other sites More sharing options...
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