[AMPS] Nichrome wire and tube chimneys!

Jon Ogden na9d@speakeasy.net
Mon, 14 May 2001 09:27:19 -0500


on 5/14/01 10:06 AM, Bob & Linda McGraw K4TAX at RMcGraw@InfoAve.Net wrote:

> As to blowers, a centrifugal blower is the only way to go.  Muffin fans
> just won't produce the required air flow with typical back pressures
> presented by air system sockets.  My experience says big diameter wheels
> that are 2" wide are better than small wheels that are 4" to 6" wide.
> Even though the two fans may spec that same CFM, this has to do with
> radial velocity.

Also, some people have said that centrifugal blowers are hard to find.

I see numerous blowers at every hamfest I go to.  They aren't that rare.

Yet I've never seen a muffin fan as big or bigger than a 4-1000A or 3-1000A
at any hamfest that I can remember.

73,

Jon
NA9D

-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

"A life lived in fear is a life half lived."


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com