Join Date: Nov 2007
Location: Hamburg and Wilson NY
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Re: Frozen rudder shaft Hinterhoeller 28
OK, so your shaft diameter is a Nominal 1-15/16, based on those calipers. Personally, I prefer real micrometers for measuring shafting. Still, not a big deal. the important thing is to get the appropriate dimensions for the bearing surface. Don't forget that there are other standards of measurement, including millimeters...
Drill a hole in the side of the keel sump, as close to the bottom as reasonable, as far aft as reasonable, and install a bronze garboard drain. Leave that open when on the hard. You won't need to pump during the off season. Mine is installed "backwards", so I can insert the plug from inside the bilge... without diving, should we accidentally launch with the plug out.
Paul Van Voorhees
Certified Tohatsu TLDI Technician
Mgr, Obersheimer Sails
Buffalo, NY USA