Calypso's 3 blade MAX prop has been painted in a similar way for years. I use the Pettit Barnacle Barrier zinc paint without the chromate primer successfully. I typically change down on sandpaper grit to 120 after the worst of the old paint is off.
Martin Calypso 1970 C&C 43 Seattle From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Joel Aronson Sent: Wednesday, April 03, 2013 11:36 AM To: cnc-list@cnc-list.com Subject: Stus-List Keeping props clean >From Sail magazine: Prop Paint You don't want barnacles or slime affecting your propeller's efficiency, but it's notoriously difficult to make antifouling paint stick to your prop. Here's how: rough up the metal with some 80 grit sandpaper, then apply a couple of coats of zinc chromate primer. Then brush on your choice of bottom paint. The primer will adhere to the metal, the paint will adhere to the primer, and the barnacles won't adhere to the paint. Who wants to try it? -- Joel 35/3 The Office Annapolis 301 541 8551
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