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mrspudandcompany(at)veriz
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 Posted: Sat Jul 20, 2013 9:56 am Post subject: Battery capacity tester-was flyback diode, now clock sou |
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| Quote: | >Boy, that 55W light bulb sure gets warm after a few minutes. I bet a big
>ol' heat sink and a surplus computer cooling fan would probably extend
>bulb life. Back to the workbench!
Yeah, they do. Not sure how you would heat sink
it . . . most of the energy is radiated. But a fan
would help. A salvaged 12v cooling fan from a computer
should be low-cost option. The one I'm finishing up
on the bench has 3 lamps. Let me know how the fan
thingy works out for you. I might just do the same
thing with this one.
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I understood that these lamps were designed to work for many
100's of hours without any form of cooling, other than ambient air.
If this is the case, then I do not see much advantage in going to
the
$effort$ of adding extra cooling. Please correct me if I am wrong.
Roger
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JOHN TIPTON
Joined: 17 Sep 2006
Posts: 239
Location: Torquay - England
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| Posted: Sat Jul 20, 2013 10:23 am Post subject: Battery capacity tester-was flyback diode, now clock sou |
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What's a 'fly-back' diode
John
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