Removing screws from keel?

Sometimes it is possible to help release stuck screws by insertion the correct sized screwdriver blade into the screw slot and tapping the top of the driver with a hammer. This helps to break the screw thread free. Keel screws usually are some of the easier ones to get out.
When you try to turn the screw out make sure that you are using the correct screwdriver blade unless you want to bugger up the screw slot. I also use an impact screw driver from time to time but again, you need to be super careful to avoid buggering up the screws.
If you are already past this point, carefully drill the screw head out and pull it through.
 
They should come out easy unless they are steel. I have used heat to the screw driver which in turn heats up the screw which tends to help appreciably. Oh, and lefty loosey.
 
In addition to what the gentleman from the great state of Michigan says, heating the screwdriver tip also melts the old paint and varnish so the driver can get maximum engagement.
If you need to drill it out, start with a small drill that actually fits into the slot. Do your best to drill a pilot hole in the center of the slot and perpendicular to the shank. Then go larger to a drill, about the diameter of the shank. With luck and practice you should have drilled the head off. The screw, still imbedded in the keel, should pull through the hull. That will leave you a headless screw that you can get vise grip pliers on to turn out.
This knowledge is solely the result of working on @&$?ing Shell Lake canoes and boats......
Good luck...!
 
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