Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+3\-1000\s+Amplifiers\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+3\-1000\s+Amplifiers\s*$/: 33 ]

Total 33 documents matching your query.

21. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Wed, 11 May 2011 10:38:37 -0400; I think in the more extreme cases the metal can rust and expand and crack the seal. But it may take some time for that to migrate thru the entire seal. However, thinking about it a bit, a small crack; /archives//html/Amps/2011-05/msg00050.html (11,599 bytes)
22. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: Vic K2VCO <vic@rakefet.com>; Date: Wed, 11 May 2011 07:55:06 -0700; So, since the Hindenburg had a rigid structure, they could have simply pumped all the air out of it instead of filling it with hydrogen. Much safer! -- Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/; /archives//html/Amps/2011-05/msg00051.html (10,743 bytes)
23. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Wed, 11 May 2011 11:14:59 -0400; Absolutely. However, the weight of a structure that size that could withstand the forces of a vacuum would well exceed the forces of buoyancy! Al AB2ZY So, since the Hindenburg had a rigid structure,; /archives//html/Amps/2011-05/msg00052.html (11,643 bytes)
24. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: mikea <mikea@mikea.ath.cx>; Date: Wed, 11 May 2011 11:32:50 -0500; [a vacuum-filled Hindenburg] Just so. I got to see a very large vacuum chamber that had collapsed: the NASA Manned Spacecraft Center's space environment chamber, which was something like 5 meters dia; /archives//html/Amps/2011-05/msg00053.html (9,498 bytes)
25. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Sam Carpenter" <sam@owenscommunication.com>; Date: Wed, 11 May 2011 15:20:26 -0400; I don't think it takes as much as we might think sometimes to do awesome destruction with either pressure or vacuum. I think a pressure cooker is only at around 12 pounds if I remember correctly and; /archives//html/Amps/2011-05/msg00054.html (11,244 bytes)
26. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: mikea <mikea@mikea.ath.cx>; Date: Wed, 11 May 2011 14:38:11 -0500; I got it w0rng; a press release from the commissioning of that chamber says: HOUSTON_ TEXAS -- Formal acceptance of the 65 ft. diameter vacuum chamber at the NASA Manned Spacecraft Center took place; /archives//html/Amps/2011-05/msg00055.html (10,503 bytes)
27. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Roger (sub1)" <sub1@rogerhalstead.com>; Date: Wed, 11 May 2011 15:53:12 -0400; The pressure cooker has a lot of cubic inches inside at that pressure which is a LOT of energy. I've washed many a glass tube. Although I'd not want to be hanging onto one the size of a 3 or 4-1000 w; /archives//html/Amps/2011-05/msg00056.html (10,776 bytes)
28. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Roger (sub1)" <sub1@rogerhalstead.com>; Date: Wed, 11 May 2011 15:55:57 -0400; Calculate the surface area of that chamber in sq inches and multiply by 15. That's a huge number. I'm surprised it wasn't a sphere 73 Roger (K8RI) _______________________________________________ Amps; /archives//html/Amps/2011-05/msg00057.html (10,540 bytes)
29. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Wed, 11 May 2011 16:22:44 -0400; The amount of lift available from the air displaced by the Hindenburg (using the gas volume only as an approximation of displacement) would be roughtly 525,000 lbs at 60 degrees F. The total pressure; /archives//html/Amps/2011-05/msg00060.html (12,044 bytes)
30. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: Colin Lamb <k7fm@teleport.com>; Date: Wed, 11 May 2011 14:20:04 -0700 (GMT-07:00); Speaking of CRTs, a number of years ago I needed to dispose of my mother's old vacuum tube tv set. There was no recycling and the transfer station where I take my trash wanted extra money for it. Bei; /archives//html/Amps/2011-05/msg00061.html (9,184 bytes)
31. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Fuqua, Bill L" <wlfuqu00@uky.edu>; Date: Wed, 11 May 2011 21:16:50 -0400; I purchased a 2000T tube some years back and felt very lucky that it made it from CA to KY. I realized there were so few of these becasuse the glass is not any thicker than that of a 250TH and it is; /archives//html/Amps/2011-05/msg00067.html (13,286 bytes)
32. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Roger (sub1)" <sub1@rogerhalstead.com>; Date: Thu, 12 May 2011 01:29:45 -0400; Even transformers can be dried out. Just a little vacuum. Use a piece of steel pipe to make a chamber. 1/4" plate will serve for end plates up to maybe a foot in diameter. Then I'd move to half inch.; /archives//html/Amps/2011-05/msg00077.html (14,669 bytes)
33. Re: [Amps] 3-1000 Amplifiers (score: 1): Author: "Roger (sub1)" <sub1@rogerhalstead.com>; Date: Thu, 12 May 2011 01:34:02 -0400; Unless the tube is in the water for an extended period and not dried off after removal then corrosion could be a problem. Pins are *relatively* easy to solder back on the larger tubes. You do have di; /archives//html/Amps/2011-05/msg00079.html (12,317 bytes)

Current List: 21 - 33
Page: [1] [2]