We installed a bigger vacuum tube into a vintage Collins radio amp and I needed a little more airflow so I welded up a heat extractor.
Have a look....
http://www.youtube.com/watch?v=_YxCIytSFG0
Let me know what you think.
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10-31-2009, 07:17 AM #1
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Air Chute - Cooling a vintage transmitting amp
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10-31-2009, 11:36 PM #2
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nice video but why be so close and burn your helmet ?
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11-01-2009, 07:19 AM #3
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I have to learn to back up, maybe I need to get the magnifier.
Originally Posted by dbardos
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11-01-2009, 04:41 PM #4
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I was following it right up to the point where you were tuning through 80m at which point I thought "oh no... not another Art Bell ham."
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