[quote=mickhobie]the ball and slug is normal. you can also run two slugs, i prefer ball and slug as it's easier to get in and out for repairs or changing the bearings. these wear down quick, i've had them pop out on me while sailing. you can purchase new ones at murrays.com, they call them the traveler "ball" and "cylinder".
i've always been under the impression those anchors under the rails of the hulls are for greater support for wings/shrouds, and came on the sx, but i could be mistaken. i'm pretty sure only the sx came with them and not the se. the sx has a longer mast, but you shouldn't have any major problems running an se sail. pretty sure the magnum is just an se with wings. se and magnum have a 28'-1" mast and sx has a 29'-7". you may have a bit of frankenstein on your hands.
as for cleaning rent a power washer. it'll be looking brand new real fast. be wary of power washing any soft spots on the hulls to powerfully. strip the tramps off, all of the lines, and power wash those too. i've done this with a number of hobies donated to the sailing program i run, and they come out looking like they just rolled out of mr. alters garage. good luck![/quote]
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