Boatworks

Come in, Calcutta

by Gordon West, Posted March 11, 2009
Don Arnold of Chattanooga, Tennessee, asks:

"My local marine-electronics dealer tells me that marine SSB and ham radio are outdated and that I should use a satellite phone. What do you think?"

Gordon West replies:

There’s no question that a sat phone is a very handy device. But the advantage of radio is that since SSB signals bounce off the


FULL STORY

Shine and show

by Win Fowler, Posted March 11, 2009

David Meyers of Kaysville, Utah, asks:

 

"I’m refurbishing my Ericson 30 this winter and am about to remove a light layer of rust that has accumulated on the boat’s stainless-steel rigging. What do you recommend for this sort of rust removal? Most of the rigging is in good shape, but it has lost its shine. I’ve heard of using an electrolytic process, but I don’t want to


FULL STORY

Leaking Lexan

by Don Casey, Posted March 11, 2009
Bob Eischen of Toledo, Ohio asks:

"The metal and Lexan hatches on our Slocum cutter are leaking. I’ve tried a BoatLife sealant and 3M’s 4200, but without success. What kind of sealant will stop the leaks?"

Don Casey replies:

BoatLife shouldn’t be used with Lexan because the polysulfide and solvents it contains will leach out the plasticizers


FULL STORY

Double Shaft

by Nigel Calder, Posted March 11, 2009
Alan Therrien of Boxford, Massachusetts, asks:

"The two zincs on my prop shaft were eroding quickly last summer, so I hung a zinc guppy over the side and attached it to the backstay. I measured the current between the backstay and the guppy with my multimeter, which read between .04 and .07 amp of current with all battery connections removed. Where is this current coming


FULL STORY

Electrically organized

by Chip Lawson, Posted March 11, 2009
This article assumes a 12-volt negative-ground DC electrical system, which is the most common system found on today’s production sailboats. It also assumes that all wiring is properly sized for the length (run) and load of the boat’s various electrical devices. The concepts described can be applied to most DC electrical systems but should be modified in some instances. The
FULL STORY
  • facebook
  • twitter