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RE: Flagpole calc

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Try "Guide Specifications for Design of Metal Flagpoles Manual" (ANSI/ NAAMM
FP 1001­97) published by the National Association of Architectural Metal
Manufacturers. Go to if you want to buy it.



Francisco Diego
RAM International Latin America

Homero 1933  10° Piso
Col. Los Morales Polanco
11560 México, D.F.
tel. +52 (5) 395-6782
     +52 (5) 395-3178
fax  +52 (5) 557-8222
e-mail: francisco(--nospam--at)

-----Original Message-----
From: Albert Meyer [mailto:Ameyer(--nospam--at)]
Sent: Wednesday, September 19, 2001 9:39 AM
To: seaint(--nospam--at)
Subject: RE: Flagpole calc

I had been wondering this myself, and I agree that for a banner attached on
two sides the sail area with the appropriate factor for vortex shedding is
correct, but is this also reasonable for a flag attached on one side only?
Are there any references for what the appropriate shape factor is?

Albert J. Meyer, Jr., P.E.
Martin-Espenlaub Engineering
(215) 665-8570 Tel
(215) 561-5064 Fax

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