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Re: [PSUBS-MAILIST] error in ABS formulas?



Gordon,
 
Your are right, the equation is wrong, it should be as follows:
Pco = Pyo [1 ? (Pyo/2Pmo)]

Adam

----- Original Message -----
Sent: Tuesday, June 22, 2004 7:57 PM
Subject: [PSUBS-MAILIST] error in ABS formulas?

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