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15-Minute Boating Skills Guide

These 37 gems could save your boat and your money - or at least win you a few bets.
Boating Safety

Every sport or hobby has its mavens of minutiae, like the baseball fan who can recite the Brooklyn Dodger lineup of 1948 or the political wonk who knows eight ways to stop a filibuster. Well, boating has guys like that too, and I’m one of them. I’ve been collecting nautical trivia since I was a kid. It’s an obsession, and a good one too, since I’ve found that many of these little esoteric facts have helped me get more out of my time on the water, and impressed a few friends along the way.

Intelli-cruising

Head Off Trouble
Telling guests that using too much toilet paper will clog the plumbing is not enough. Be specific. Tests show that six squares at a time is the maximum.

Fast Fuel
You use approximately a gallon of gasoline per hour at wide-open throttle for every 10 horsepower. Not super accurate, but surprisingly close.

Keep It on the Plate
Avoid “round” food, ones that roll around on the plate. Choose hamburgers over hot dogs, niblets over corn on the cob and mashed over baked potatoes. And always square off your meatballs.

Weight Watchers
You know the weight of your passengers, and maybe the gear. What about the sloshy stuff in the boat? It adds up fast.

1 gallon of fresh water = 8.3 pounds
1 gallon of diesel fuel = 7.1 pounds
1 gallon of gasoline = 6.6 pounds

Bed Room
2'4" The absolute minimum berth width that any normal human will be comfortable with. The length should be 4 inches longer than your height.

Cruise Fuel
Approximate fuel consumption at cruising speed can be estimated as follows:

Diesel - 5.3 gallons per hour per 100 hp
Gasoline - 7.8 gallons per hour per 100 hp

Boat-ology

1,500
Number of hours you can expect a gas marine engine to typically last before needing major overhauls. A diesel lasts about 5,000 hours. No hourly figures exist for outboards, but 10 to 15 years in salt water is common.

It Never Stops
To calculate how much it will cost to keep a boat going, figure to pay from 2 percent to 5 percent of the original cost (new) per year in maintenance.

Sound of Silence
The most effective sound insulation is layers of foam core to reduce low-frequency sounds, thin sheets of lead to cut down on higher-frequency noises and Mylar or aluminum foil sheathing to protect the insulation from heat. Look for a minimum combined thickness of one inch.

Breathing Room
Many engine compartments, and the engines in them, are starved for fresh air. increasing a 3-inch round vent to 4 inches almost doubles its volume.

Salt Support
For every foot of draft in fresh water, your boat will rise almost one-quarter inch when immersed in salt water. A boat drawing three feet on Lake Huron will draw only 2 feet 11¼ inches in the Atlantic Ocean.

Quick and Dirty Method
For small, lightweight runabouts of 24 feet and less, use the 1:25 rule. For every 25 pounds of weight (including engine, gear, fuel and crew) you’ll need approximately one horsepower to get on plane and cruise at a reasonable speed.

Hanging by a Thread
The length of a bolt is correct for the job if at least two threads are exposed past the nut after tightening — the first couple of threads do not have full strength.

Weather Mania

Sound Off
Thunder, and the storm that comes with it, is nearby if it crashes and bangs. It is far off if it rumbles like timpani, and very far away if you see only the lightning but hear nothing.

Falling Off
When barometric pressure starts falling, foul weather is approaching. The barometer falling 0.1 inch or more per hour says that a major storm is close.

Comments
Lee Meyer (not verified)
-
Mar 3, 2012

Very helpful and interesting info

Marshall Herron (not verified)
-
Mar 3, 2012

Excellent!

Jerry Robbins
-
Mar 3, 2012

Good info,thanks Jerry

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