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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+In\s+praise\s+of\s+older\s+technology\s*$/: 128 ]

Total 128 documents matching your query.

121. Re: [TenTec] In praise of older technology (score: 1)
Author: Kimberly Elmore <cw_de_n5op@sbcglobal.net>
Date: Wed, 5 Mar 2014 13:52:12 -0800 (PST)
What we call "hardware cloth" is a galvanized steel mesh with anywhere form 1/8" squares to 1/2" squares. The stuff is simply a coarse galvanized steel screen. I used the kind with 1/4" square openin
/archives//html/TenTec/2014-03/msg00074.html (17,858 bytes)

122. Re: [TenTec] In praise of older technology (score: 1)
Author: "R. Eric Sluder-W9WLW" <resluder@yahoo.com>
Date: Wed, 5 Mar 2014 14:09:20 -0800 (PST)
I replaced my screamer, oh I mean fan in my AL-80a with a Pabst and never looked back! It's the best money I could spend on my amp Rick.<br/><br/>-Eric<br/>W9WLW<a href="https://overview.mail.yahoo.c
/archives//html/TenTec/2014-03/msg00075.html (9,385 bytes)

123. Re: [TenTec] In praise of older technology (score: 1)
Author: K8JHR <jrichards@k8jhr.com>
Date: Wed, 05 Mar 2014 19:10:14 -0500
Yikes! ... don't say that! -- Have you ever seen the size of hole a 50' tower makes when it falls on a roof? Susan would KILL you! ;-) ____________________________________________ . _________________
/archives//html/TenTec/2014-03/msg00078.html (9,448 bytes)

124. Re: [TenTec] In praise of older technology (score: 1)
Author: "R. Eric Sluder - W9WLW" <resluder@yahoo.com>
Date: Wed, 05 Mar 2014 19:21:30 -0500
It is the company that bought Peter Dahl out. Hammond transformers I believe. They sale there transformers for it. OEM specd replacement, heavier duty version and the 240V only that the other fella w
/archives//html/TenTec/2014-03/msg00079.html (12,219 bytes)

125. Re: [TenTec] In praise of older technology (score: 1)
Author: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Date: Wed, 5 Mar 2014 19:57:03 -0600
From an earlier commercial product which I was associated, we learned that "tip speed" of the fan creates noise. So less RPM larger and more blades mean lower tip speed for a given amount of air. Plu
/archives//html/TenTec/2014-03/msg00080.html (17,877 bytes)

126. Re: [TenTec] In praise of older technology (score: 1)
Author: "Tony Lelieveld" <va3dwi@gmail.com>
Date: Wed, 5 Mar 2014 22:34:23 -0500
This is the same reason why a helicopter can be so noisy creating very loud "whacking" noise. As I was told, it is the result of the tips of the blades exceeding the speed of sound. Tony, VE3DWI. **
/archives//html/TenTec/2014-03/msg00083.html (19,733 bytes)

127. Re: [TenTec] In praise of older technology (score: 1)
Author: "R. Eric Sluder - W9WLW" <resluder@yahoo.com>
Date: Wed, 05 Mar 2014 22:47:03 -0500
Caterpillar discover the noise from the tips of blades the expensive way. The fan blades on their V12 diesel engine that came with our 1 Megawatt generators at work broke the sound barrier and talk a
/archives//html/TenTec/2014-03/msg00084.html (20,430 bytes)

128. Re: [TenTec] In praise of older technology (score: 1)
Author: Kim Elmore <cw_de_n5op@sbcglobal.net>
Date: Thu, 06 Mar 2014 18:31:30 -0600
I hate to be pedantic and off topic (but that won't stop me)... I don't think any helicopter tip are run supersonic because of huge efficiency losses. Here are numbers for the Bell UH-1 Iroqios (aka
/archives//html/TenTec/2014-03/msg00089.html (21,762 bytes)

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