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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Nichrome\s+wire\s+and\s+tube\s+chimneys\!\s*$/: 23 ]

Total 23 documents matching your query.

1. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: shr@ricc.net (W0UN--Signal Hill Ranch); Date: Sat, 12 May 2001 08:15:18 -0600; I have seen questions about low-cost chimneys on the reflector from time to time and thought I would add a note for what it's worth. Pyrex glass chimneys for the 3-400, 3-500, and 4-400 family are re; /archives//html/Amps/2001-05/msg00207.html (10,948 bytes)
2. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Sat, 12 May 2001 08:56:20 -0700; ? A drawback with Eimac air-system cooling is that pressurized air passes through a socket that restricts air flow. To compensate for this, one must try to increase air pressure. However, this is no; /archives//html/Amps/2001-05/msg00213.html (9,578 bytes)
3. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: na9d@speakeasy.net (Jon Ogden); Date: Sat, 12 May 2001 23:08:03 -0500; I doubt you could cool a 4-1000A or 3-1000A by blowing air across the side of the tube. 73, Jon NA9D -- Jon Ogden NA9D (ex: KE9NA) Member: ARRL, AMSAT, DXCC, NRA http://www.qsl.net/ke9na "A life live; /archives//html/Amps/2001-05/msg00229.html (8,783 bytes)
4. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Sat, 12 May 2001 21:26:54 -0700; ¿ four identical posts? With a fan whose diameter is equal to the height of the 4-1000A - plus a split chassis, no problemo. cheers, Jon - Rich..., 805.386.3734, www.vcnet.com/measures. end -; /archives//html/Amps/2001-05/msg00230.html (9,107 bytes)
5. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: rickn@netdoor.com (Rick Nichols); Date: Sat, 12 May 2001 23:40:50 -0500; My BTI amp seems to vun pretty cool with a 4-1000a and a Vertical airstream. -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@c; /archives//html/Amps/2001-05/msg00231.html (9,487 bytes)
6. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: gclute@home.com (Geo. Clute); Date: Sat, 12 May 2001 22:22:56 -0700; I ran a Eimac 4-1000A G-G with 6750 on the plate with a squirl cage blowing the bottom and a muffin fan blowing across the top seal and heat sink. No Chimney!...But then those were the days you could; /archives//html/Amps/2001-05/msg00232.html (10,155 bytes)
7. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: na9d@speakeasy.net (Jon Ogden); Date: Sun, 13 May 2001 08:02:01 -0500; Problem with my DSL line last night caused it. I suppose you could, Rich. However, that would get to be a fairly large fan given the size of a 4-1000 or 3-1000. By that time, it's probably easier to; /archives//html/Amps/2001-05/msg00234.html (9,192 bytes)
8. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Sun, 13 May 2001 07:52:24 -0700; ? tnx. which company? ? You don't seem to get it, Jon. A high-speed centrifugal blower is required to overcome the back-pressure in the SK-510 air system socket. High-speed blowers are hard to live; /archives//html/Amps/2001-05/msg00237.html (9,815 bytes)
9. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: na9d@speakeasy.net (Jon Ogden); Date: Sun, 13 May 2001 22:33:26 -0500; Perhaps I don't, Rich. And perhaps I am full of BS. But I prefer cooling systems that work in the direction of natural convection of heat. Heat flows up. So something that blows cool air over somethi; /archives//html/Amps/2001-05/msg00245.html (9,684 bytes)
10. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: wd0ct@networksplus.net (Steven Moore); Date: Sun, 13 May 2001 22:54:04 -0500; Hello everybody, A ham I know has a pair of 4-1000. He tried numerous squirrel cage fans and all he got was enormous fan noise and hardly any flow through the air sockets and pickle jar chimneys. Las; /archives//html/Amps/2001-05/msg00246.html (10,845 bytes)
11. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Sun, 13 May 2001 23:20:30 -0700; ? As I recall, the Model-T used a natural convection cooling system. Do you drive a Model-T,? ? When a fan blows on the side a cylinder, the air flow bends completely around the cylinder. ? Eimac ma; /archives//html/Amps/2001-05/msg00247.html (10,983 bytes)
12. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Sun, 13 May 2001 23:20:32 -0700; ? I tried it with 2 fans. Pressure increased -- but not nearly enough. cheers, Steve wd0ct - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Subm; /archives//html/Amps/2001-05/msg00248.html (10,727 bytes)
13. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: RMcGraw@InfoAve.Net (Bob & Linda McGraw K4TAX); Date: Mon, 14 May 2001 08:06:50 -0700; Just an observation, the design of a chimney is such that the vertical flow of air is directed evenly around the tube envelope and as it exits, also against the anode seal & heat sink at the top. I r; /archives//html/Amps/2001-05/msg00252.html (11,588 bytes)
14. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: shr@ricc.net (W0UN--Signal Hill Ranch); Date: Mon, 14 May 2001 07:27:18 -0600; Understand your issue with the Coleman lantern -- but the pickle jar is shaped just like an Eimac chimney and curves the air around to the anode connection. The mouths on the pickle jar and on the Ei; /archives//html/Amps/2001-05/msg00253.html (10,041 bytes)
15. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: na9d@speakeasy.net (Jon Ogden); Date: Mon, 14 May 2001 09:27:19 -0500; 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; /archives//html/Amps/2001-05/msg00256.html (10,034 bytes)
16. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 14 May 2001 15:37:47 +0100; I've seen them here on a number of occasions - I've even ended up with 2 of them in the junk box. One is used for cooling my 4-250s from the top, with individual muffin fans blowing on the filament s; /archives//html/Amps/2001-05/msg00257.html (9,376 bytes)
17. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Mon, 14 May 2001 07:39:56 -0700; ? Bob: Any opinion about the use of vertical air flow on horizontal cooling fins.? ? amen . This is how Kooltronics builds their line of high-pressure blowers. ? cheers, Bob - Rich..., 805.386.3734,; /archives//html/Amps/2001-05/msg00258.html (10,884 bytes)
18. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Mon, 14 May 2001 07:46:30 -0700; ? high-pressure blowers are seldom seen in surplus emporiums. I have bought them from Kooltronix and from Rotron. cheers - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://ww; /archives//html/Amps/2001-05/msg00261.html (9,088 bytes)
19. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 14 May 2001 10:09:01 -0500; ? Bob: Any opinion about the use of vertical air flow on horizontal cooling fins.? The lip at the top of the Eimac chimney turns a portion of the air 90 degrees to pass horizontally over the fins of; /archives//html/Amps/2001-05/msg00262.html (9,231 bytes)
20. [AMPS] Nichrome wire and tube chimneys! (score: 1): Author: 2@vc.net (measures); Date: Mon, 14 May 2001 09:02:41 -0700; ? The net air flow is equal and opposite. With vertical fins, this problem does not occur. cheers, Phil, K5PC - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contestin; /archives//html/Amps/2001-05/msg00263.html (9,174 bytes)

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