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Aaron Worley
member
Reged: 10/21/05
Posts: 12
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Re: Write up for peltier cooling an SCT
12/01/07 04:29 PM
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An update on my C9.25 peltier concept. It was pretty much a non-starter, since upon further inspection there's no clearance on the inside of the OTA tube for fans. Any internal fans on the side of the OTA will stick out into the light path, and possibly bump into the primary when focusing, depending on where you place it.
On to Plan B. Since I haven't figured out how to affix the peltiers, I'm going to test out a fan-only system. I've put an external, 12v fan on my OTA that blows outside air into the tube, across the face of the mirror. Once I get a clear night here (might be a while) I'll post some results and photos.
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