I would add that the fan must match the dimensions of the old fan since it's
a very tight fit from the fan manifold to the opening on the tube socket
compartment. If such a fan is found that would be good news since TT has no
more in stock.
Ron N6IE
www.N6IE.com
----- Original Message -----
From: "Gary Hoffman" <ghoffman@spacetech.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Thursday, September 04, 2008 1:50 PM
Subject: Re: [TenTec] Fan For Titan 425
Yes....and the thickness is especially important. Other things being
equal,
and lacking specific performance specifications, note that the thicker
fans
are capable of more pressure at a given flow. You want to have enough
pressure to force the air through its cooling path.
73 de Gary, AA2IZ
----- Original Message -----
From: "Stuart Rohre" <rohre@arlut.utexas.edu>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Thursday, September 04, 2008 4:50 PM
Subject: Re: [TenTec] Fan For Titan 425
If you don't get an equivalent part number, measure the old fan
dimensions, (square?), thickness, count the number of fan blades, and
usually you should see a marking on the label of the voltage and current
rating. If you go to the Mouser catalog, you should be able to match
the old fan to one of the current fans. Pick a good ball bearing or
better model for lower noise and longer lifetime. If you match the
current drain, voltage, and number of blades, you should be close to
moving the same amount of air as the original fan.
Stuart Rohre
K5KVH
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