Thread: The Dive?
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Old 10-16-2018, 02:10 PM   #690
ursa minor
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Quote:
Originally Posted by JADAQ View Post
I believe they are twin “250” Evinrudes
My bad, I just went back to page 1, you are correct. Twin 250's as seen in the pictures. The point of my long winded post above is still the same though; whether 500 HP (as is), 600 HP(as I mistakenly mentioned above) or even adding a third engine to get up to some greater multiple of the above will not significantly increase the maximum speed of this vessel above it's hull speed.

Assuming a water line length of 70 feet (guestimate from looking at the construction photos) hull speed would calculate to 11.2 MPH (square root of the length at waterline X 1.34) Does anyone know if they tapered the front in any way as opposed to a square / flat entry (like the sides and stern), that would be a problem. I haven't seen it up close enough to be able to see that, most barges have a slope at the bow.
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