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[PSUBS-MAILIST] error in ABS formulas?

To: <personal_submersibles@psubs.org>
Subject: [PSUBS-MAILIST] error in ABS formulas?
From: "gordon alexander" <gordon@curio.com>
Date: Tue, 22 Jun 2004 20:57:59 -0500
References: <4371B9E007C62D40A46FA016C2043E5720B247@cp_mail.cp.com>
Reply-to: personal_submersibles@psubs.org
Sender: owner-personal_submersibles@psubs.org

I am thinking that the formula for Pco in 21.7.1 (pg 69) for 1<Pmo/Pyo <= 3 should be Pyo(1-Pyo/2Pmo) rather than Pyo((1-Pyo)/(2Pmo)) as they have. Their formula gives wacky results and is not consistent with that for cylinders in 19.5.1 (pg 65).

Can anyone confirm or dispute this?

I have posted the ABS doc I am using at http://www.curio.com/07-UWVS2002.pdf

My spreadsheet (not complete) in case anyone is curious about it, is also there at http://www.curio.com/ABSConicalHullCalcs.xls

Thanks again,

Gordon Alexander

Shakopee, MN

Follow-Ups:
- Re: [PSUBS-MAILIST] error in ABS formulas?
  - From: "Cliff Redus" <dr_redus@devtex.net>
- Re: [PSUBS-MAILIST] error in ABS formulas?
  - From: "Adam Lawrence" <adteleka@in-tch.com>

References:
- RE: [PSUBS-MAILIST] Starting my sub
  - From: "Alec Smyth" <Asmyth@changepoint.com>

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