Steve, As small as the hole is the water does drain reasonably well. If I were to do any serious offshore work in an M15 I would put in transom drains. The transom outer hull and the inner wall of the cockpit has a gap of about 1 inch. A couple of 2" holes could be drilled, lined with a PVC pipe with a check valve or flapper an you would be in business. The cockpit floor is not level as it is designed to drain to the centerboard well but plenty of water could get out those big holes in the transom. Doug "Seas the Day"
I'm surprised the cockpit doesn't drain through the transom on M-15s. In your opinion, is the drain big enough for rough water sailing? IYO, is it feasible to install transom drains for the cockpit and bilge? Steve Tyree, P-15 #2098 "Amy Ann"
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