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Old 19-03-2010, 14:22   #1
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Boat: 51' Formosa Ketch "Un Mundo"
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Estimating Square Footage of Formosa 51's Wetted Hull Area

Anyone able to tell me how to estimate the sq. footage of my hull, from waterline down?? I have a Formosa 51.
Thanks.
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Old 19-03-2010, 14:52   #2
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A. measure along curved boot-top
B. measure nominal flat of keel
C. measure, following hull shape from W/L to keel at max beam.

(A+B)divided by 2 multiplied by C. For each side square footage. Add a qt for rudder, if this is for bottom paint.
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