In Reply to: RE: Morgan Jones on thoriated tungsten filaments posted by Tre' on June 23, 2014 at 22:02:29:
In the original article, the actual measurement was a 75 hour reduction of life for each turn-on cycle. To get 500 hours, they used a conservative 60 hours lost per cycle. 60 hours times 500 cycles is 30,000 hours. (I used a caculator :^)
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Follow Ups
- RE: Morgan Jones on thoriated tungsten filaments - Paul Joppa 15:45:57 06/24/14 (4)
- RE: Morgan Jones on thoriated tungsten filaments - Tre' 21:54:22 06/24/14 (3)
- OK, I read the article - Tre' 22:46:21 06/24/14 (2)
- :^) - Paul Joppa 10:38:48 06/25/14 (1)
- It would also depend on other factors... - Naz 15:26:24 07/18/14 (0)