The Speed of a 16-Foot Aluminum Boat With a 60 HP Mercury Outboard

Written by steve hayward
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The Speed of a 16-Foot Aluminum Boat With a 60 HP Mercury Outboard
Boat speed is influenced by many factors. (fishing boat image by Pix by Marti from

The maximum speed obtainable by any boat is a function of numerous factors, including loaded weight, hull configuration, motor horsepower and propeller specifications. You can roughly determine expected speed by using a speed chart.

Loaded Weight

A typical open 16-foot aluminium boat weighs approximately 363kg. and can carry approximately 680kg. fully loaded with an engine, passengers and gear.

Weight to HP Ratio

You can use a speed chart to calculate the approximate speed obtainable by a fully loaded boat. One method divides the loaded weight by the motor horsepower to get a speed factor; this is then referenced against a speed chart to predict obtainable speed.


When you divide the 680kg. load by 60 horsepower, you get a speed factor of 25. You can then reference this speed factor against a speed chart to get a predicted maximum speed of 32 miles per hour. This speed is consistent with other estimates from engine manufacturers.

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