I have NO experience with side scuppers, but, I wonder why majority of open fisherman type boats don't have them? What are you trying to accomplish by self bailing out the side vs the transom? I would be concerned that if you did not have deck gutters that drained to the suppers that you would run the risk of water ponding against the fantail. I would reconsider your layout.
Just my 2 cents.
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1978 23' Superfish/Potter Bracket 250HP --------
as "Americans" you have the right to ......
"LIFE, LIBERTY and the PURSUIT of a Classic SeaCraft" -capt_chuck
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