@Gamma1214 I've had enough experience with poor judgement that I'm more careful now.
Everything is taking a lot longer than it should at this point sine I don't want to screw it up. I made a small drill guide to drill the holes for seat brackets. I wanted the holes low enough on the brackets so there would be some material left above the rivets for strength. The opposite on the aluminum. Since the inside of the aluminum gunnel is slightly shorter I flipped the boat up on edge and drilled from the inside out. I drilled 1/8" pilot holes then enlarged them to 3/16" after before lining up the seat brackets and drilling them to match. On my Caribou there are only 4 rivets holding each bracket on but I thought with the material I remove drilling holes It's about even with an aluminum rivet weight wise so I added a couple extra.
As for the location of the seat: In another thread I saw @memaquay sharing his experience of 10" aft of center being a good compromise in his Osprey. I went with that and added 6% to it for 26.9cm aft of center to the front edge of the seat,
I used a Q-tip to paint epoxy in all the holes to seal the wood before riveting with an aluminum backing washer on each side.
With the brackets installed I spent some time squaring then drilling the seat. I mounted the seat with M6x40mm SS flanged socket head cap screws but I was short on 6mm nylocks. I put some 20mm SS washers underneath on the 2 nylock nuts I could find. I need to order some more nylocks and the seat bolts are also still a hair long. I might pick up some M6x35mm or I might just cut these down a little.
Off to the ski hill today but will get back to it Friday.
Everything is taking a lot longer than it should at this point sine I don't want to screw it up. I made a small drill guide to drill the holes for seat brackets. I wanted the holes low enough on the brackets so there would be some material left above the rivets for strength. The opposite on the aluminum. Since the inside of the aluminum gunnel is slightly shorter I flipped the boat up on edge and drilled from the inside out. I drilled 1/8" pilot holes then enlarged them to 3/16" after before lining up the seat brackets and drilling them to match. On my Caribou there are only 4 rivets holding each bracket on but I thought with the material I remove drilling holes It's about even with an aluminum rivet weight wise so I added a couple extra.
As for the location of the seat: In another thread I saw @memaquay sharing his experience of 10" aft of center being a good compromise in his Osprey. I went with that and added 6% to it for 26.9cm aft of center to the front edge of the seat,
I used a Q-tip to paint epoxy in all the holes to seal the wood before riveting with an aluminum backing washer on each side.
With the brackets installed I spent some time squaring then drilling the seat. I mounted the seat with M6x40mm SS flanged socket head cap screws but I was short on 6mm nylocks. I put some 20mm SS washers underneath on the 2 nylock nuts I could find. I need to order some more nylocks and the seat bolts are also still a hair long. I might pick up some M6x35mm or I might just cut these down a little.
Off to the ski hill today but will get back to it Friday.
