Today the epoxy was completely hardened around the sacrificial screws that I installed last night. Using an Allen wrench I was able to give a sharp snap to each screw and they easily broke free from the epoxy and unscrewed.
After a bit of clean up on both the transom and the inside of the holes, I now have two perfect drain holes with 10-24 threads.
My local hardware store sells chromed 1/2" 10-24 hex screws as well as small neoprene washers. They will be the actual drain plugs used when the boat is finished. You can see them in the pictures below now though. However I have now removed them and replaced the sacrificial screws until after the finishing process. They need to remain in place while painting and finishing to protect the epoxy threads.
The inside looks pretty sloppy but it's OK as it will all be hidden from view permanently with the cockpit deck. It's more important that the entire inside be epoxy coated and that the water has a place to flow. I did have to do a bit of clean up around the threads though to open the holes up a bit. You can see the epoxy threads in a picture above.
Peace! _/)
After a bit of clean up on both the transom and the inside of the holes, I now have two perfect drain holes with 10-24 threads.
My local hardware store sells chromed 1/2" 10-24 hex screws as well as small neoprene washers. They will be the actual drain plugs used when the boat is finished. You can see them in the pictures below now though. However I have now removed them and replaced the sacrificial screws until after the finishing process. They need to remain in place while painting and finishing to protect the epoxy threads.
The inside looks pretty sloppy but it's OK as it will all be hidden from view permanently with the cockpit deck. It's more important that the entire inside be epoxy coated and that the water has a place to flow. I did have to do a bit of clean up around the threads though to open the holes up a bit. You can see the epoxy threads in a picture above.
Peace! _/)
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