Speaking of Compressors...
On Thu, 20 Oct 2011 18:07:52 -0500, Jon Elson
wrote: I presume anything close to that size is going to be a screw compressor... But I could be indicating my lack of knowledge with that guess too. Well, I did see some gigantic Ingersoll one-lung compressors in a factory here on a tour. I was amazed they were from 1952. Gigantic horizontal cylinder about 8 - 10" diameter and probably a stroke of a foot. It may have been driven by a low speed synchronous motor that was supplying power factor correction in addition to driving the compressor. -- Ned Simmons |
Speaking of Compressors...
Ned Simmons wrote:
On Thu, 20 Oct 2011 18:07:52 -0500, Jon Elson wrote: I presume anything close to that size is going to be a screw compressor... But I could be indicating my lack of knowledge with that guess too. Well, I did see some gigantic Ingersoll one-lung compressors in a factory here on a tour. I was amazed they were from 1952. Gigantic horizontal cylinder about 8 - 10" diameter and probably a stroke of a foot. It may have been driven by a low speed synchronous motor that was supplying power factor correction in addition to driving the compressor. Yes, that is EXACTLY the machine! I didn't mention those details as they have nothing to do with the air supply, but that was the setup. On the way was a phase angle meter that looked like it came out of Edison's own lab. I never found what the phase meter controlled, but it would have to be a variable voltage rectifier, probably with big Tungar bulbs in it. Jon |
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