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Old 08-14-2003, 04:26 AM   #61 (permalink)
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Sorry, I just got around to reading this message. I'm not much of a carpenter. I cut the holes about the size of the fans and then used double sided mounting tape to secure them in place. If you can sorta jam them in with the tape, they're probably not going anywhere.
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Old 08-14-2003, 04:57 AM   #62 (permalink)
 
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From my experience with PC fans. They are designed to run at 12 volts. The lowest Ican normlly run them in reality is with 9 volts. They'll be quieter, but also move less air. Sometimes 7.5 volts will work. IMHO, the variable transformers are definitely the way to go in order to ballance noise and performance.

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Old 08-14-2003, 05:33 AM   #63 (permalink)
 
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Karl,
Thanks for the helpful reply. You were able to make sense of my poor description of the situation and gave a much easier to understand explanation than the question I asked. I may have to do just what you have described.

RanchWest,
You wrote:
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Sorry, I just got around to reading this message. I'm not much of a carpenter. I cut the holes about the size of the fans and then used double sided mounting tape to secure them in place. If you can sorta jam them in with the tape, they're probably not going anywhere. <HR></BLOCKQUOTE>
For the holes you cut, were they the sizes of the inner fan case or the entire assembly with 'tabs' as kherman has described? If you cut the holes the size of the entire housing assembly, did you run the double sided tape around the outside of the whole assembly? And finally, how does your technique look now that it is finished? Are you happy with the results? Thanks for the replies. I'm trying to weigh some options before I start cutting.
Jack

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Old 08-14-2003, 10:25 AM   #64 (permalink)
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My holes were cut approximately the size of the entire fan assembly. I then used the mounting tape on only one side, which made a fairly tight fit. Since the fans are all in the rear of the canopy, not in sight, I didn't really care what they looked like, but I suppose they look OK. I wouldn't want the fans on the inside of the canopy, as that might interfere with work space.

I've got my wiring on the back side, too. The ballasts, wires, terminal for the fans, etc. are on the back, so all of that is rather ugly anyway, so the fans don't detract much from that stuff. lol

Also, note that I put the fan holes at the top of the rear of the canopy, so as to be in line with the hot air after it has risen.
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