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Step 7Tennis Ball Bilge Plugs

Tennis Ball Bilge Plugs

Seen at MIT sailing pavilion.
These boats have self-bailing cockpits, but these tennis balls keep waves from sloshing water into the cockpit.

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1 comment

Mar 21, 2008. 3:20 AMcofosho says:

Broken autobailers make me sad. These make me happy. Unfortunately, these either work best at high speeds or simply to get water out on land. If you're not planing, or nearly so, water tends to want to come in.

This looks to be a 420. Am I right? I'm in Madison at UW, and we share one awesome thing in common... techs!

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Author:TimAnderson

Tim Anderson is the author of the "Heirloom Technology" column in Make Magazine. He is co-founder of www.zcorp.com, manufacturers of "3D Printer" output devices. His detailed drawings of traditional ...