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What is 'cruise speed' ?

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Short Wave Sportfishing

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On 24 Sep 2004 06:47:00 -0700, (ZanderU) wrote:

You often see the 'cruise speed' mentioned in boat descriptions and brochures.
But what is this speed and how is it determined?

Depends on if you are running a displacement hull or a planing hull.
Also depends on engine horsepower, engine type (diesel,gas, two/four
stroke, etc.), dry/wet weights, wind/wave conditions, etc.

There really isn't a blanket answer, but the easiest way to describe
cruise speed is the fastest speed at which the engine is at it's most
efficient. On some boats, it can be WOT. On some, 2/3 throttle. On
my Ranger, it's about 4000 RPM (5600 max) @ 30 mph @ 4.3 Gph. On the
Contender, it's 4800 RPM (5800 max) @ 44 mph @ 5.7 Gph per engine.

Take care.

Tom

"The beatings will stop when morale improves."
E. Teach, 1717

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