You could buy mine:-) Made by Replogle in the late
eighties to Dick Johnson's specifications - with meter
and tubing. Used once.

John Galloway
Scotland

At 13:00 31 March 2005, Jphoenix wrote:
Ian,

Here's a link I was given last year, looks like a pretty
good
description:

http://www.owp.us/Althaus/AlthausDragProbe.asp

Jim

nimbusgb wrote:
Can anyone help with the design and installation details
of a drag
rake?

I'm interested in:
Pitot tube sizing ( ID and length )
Span of the rake.
Positioning of the dynamic pressure port.
Plenum chamber/s dimensions.
Positioning of a rake on or behind the trailing edge.

Ian