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D-PN, PHRF rating of the S15?

Posted: Mon Jun 03, 2019 12:18 pm
by noel
On paper hull speed of the S15 is ~5.2 kts( square root of LWL x 1.37). Old memory of the M15 D-PN = 106. PHRF = 306 based on the conversion formula of (D-PN - 55) x 6. Are the S15 rating the same, similar to the M15?