Systems+Engines

Quiet Connector

by Sail Staff, Posted December 9, 2008
My wife, Gail, and I recently installed a new radar antenna on the keel-stepped mast of our Bristol 38.8. The first part of the installation was easy. We mounted the receiver and then, using a weighted string as a messenger, pulled the cables through a small hole in the mast near the unit all the way down to the bottom, The difficult part—figuring out a way to keep the cables from slapping
High-quality, long-lasting impellers from JMP are manufactured from a mix of different rubbers and include a surface coating that decreases wear and tear for longer use.Tested by the U.S. Navy, the impellers help keep marine engines working at their highest efficiency, even in harsh operating conditions, by ensuring that their pumps are operating correctly.JMP offers flexible

Let there be water

by Peter Nielsen, Posted December 22, 2008
Of all the upgrades you can lavish on an older boat, few will give you more bang for your buck than a complete overhaul of the fresh-water plumbing system. An improvement in water quality should be immediately apparent; any of the new breed of water pumps will be quieter and less power-hungry than their predecessors, and with a little planning, you can make your boat much more user-friendly both
As a marine electrician I’ve found that in-line fuse holders are the most common cause of problems I encounter with modern electronics equipment. Quality marine electronics are generally very reliable, as long as their electrical connections are sound and there is no voltage drop in the ship’s power supply. Unfortunately, all electronic devices come from the factory with in-line fuse holders on

In hot water

by Peter Nielsen, Posted February 16, 2009
ChecklistTools
  • Screwdrivers
  • Wrenches
  • Cordless drill
  • Tube cutter
  • Materials
  • Water heater
  • 5/8" heavy-duty water hose
  • NPT fittings
  • Fasteners, as needed
  • After upgrading the mostly original fresh-water plumbing system on our 1973 Norlin 34 project boat with new hoses,
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