Friday, 8 January 2016

Round and round we go

Redesign

As we saw RMS was designed as a flat bottom boat, but would it be better as a round bottom boat?

We'll have a go at a redesign based on RMS. Here's RMS midsection as originally designed,

That midsection has a submerged area of .87 sqft. With a prismatic coefficient of .56 and a length on the waterline of 12.24 ft. that's a projected displacement of 373 lbs.

A more rounded shape with the same over all dimensions looks like this,



If we overlay the new midsection onto the old midsection it is obvious that we would lose a significant amount of displacement.


The new midsection area is .76 sqft. Using the same prismatic coefficient and the same WL we get a projected displacement of 325lbs a loss of approximately 50 lbs. If we can live with that then lets proceed.

But how to we proceed from here?

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