Mailport: fuel tanks, chain hooks, bilge pumps, and hypothermia
Fuel Tank Wisdom
Simple tank fill advice from an old fuel oil delivery guy - when filling your boat diesel tank listen to the sound...
Air Conditioning at Anchor
We often get this question. My car has air conditioning when I'm running down the street so why can't my boat? First, your car...
Calculating the Right Air Conditioner Size
Estimating size has always been tricky, because it depends on the insulation value of the boat, climate, and how quick you want the boat...
How To Connect Small Wires
The popularity of micro-electronics and LEDs has greatly increased the number of small wires on board, and whether the added eyestrain is a fair...
Testing VHF Coaxial
The loss in RF coaxial cable increases substantially and quickly, when there is water intrusion. Coax that uses foam dielectric, like RG8X and LMR...
Antenna Gain and VHF Transmission Range
Recreational marine VHF antennas are usually broken down into three categories: 3- and 4-foot sailboat antennas (3dB gain), 8-foot powerboat antennas (6 dB gain)...
Seacocks for Thin Hulls
A proper below-the-water line sea cock consists of three parts: the outside portion or mushroom, which threads into the flanged valve, the flanged valve,...
Stuffing Box Care
Only boats with inboard engines have stuffing boxes. To locate yours, trace the propeller shaft from the transmission to the point where it exits...
Prop and Shaft Check
A vessels drive train is typically defined as the components between the engine transmission coupling and the bitter end of the propeller shaft. For...
Sailing Gifts for 2018
No one really wants just practical gifts, so we've tried to locate a few items that go beyond pure utility for this holiday season.
The...