Wow! I'd definitely would like that, Chuck. I'll measure it tomorrow. Many thanks, Joe ________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, November 9, 2011 6:19 PM Subject: Re: [Utah-astronomy] Dew/Frost prevention Joe, I,ll make you one if you pay for materials and send me your tube OD. Kindergarten stuff. On Nov 9, 2011 5:09 PM, "Joe Bauman" <josephmbauman@yahoo.com> wrote:
Thanks, Mat. I'll be working on it before the next new moon. But where do you get this stuff? -- Best wishes, Joe
________________________________ From: "Hutchings, Mat (H USA)" <mat.hutchings@siemens.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, November 9, 2011 2:21 PM Subject: Re: [Utah-astronomy] Dew/Frost prevention
Hi Joe;
It'll be stiff enough once it is rolled into the tubular shape you need. All you need to do is roll it so it fits your tube, then glue the seam. If you want to cover the inside with black paper, simply spray both the inside surface of the foam (before you roll it), and one side of the paper with some spray contact adhesive (3M Super 77 is good) let them both dry a little and stick them together. Then roll the tube and glue. If you want to do this on Saturday at the ATM session, you can save yourself from buying adhesives as I have all you'll need. Just bring a foam pad, black paper and your telescope OTA.
Looks like at least one other poster to this board uses exactly what I'm talking about.
Mat
-----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto: utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Joe Bauman Sent: Wednesday, November 09, 2011 4:08 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Dew/Frost prevention
Hi Mat, But will it keep stiff, or will it droop or fold? Thanks, Joe
________________________________ From: "Hutchings, Mat (H USA)" <mat.hutchings@siemens.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, November 9, 2011 2:05 PM Subject: Re: [Utah-astronomy] Dew/Frost prevention
Joe, don't forget my suggestion from a month or so ago of using a cheap, blue foam, backpacking sleeping pad as a dew cap. They're extremely light and will wrap around your tube easily.
Mat
-----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto: utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Joe Bauman Sent: Wednesday, November 09, 2011 2:48 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Dew/Frost prevention
Mine would have to be two feet long, and I would need to make sure it didn't stick up over the guidescope or throw the telescope off balance. Once I tried with a homemade one, stiff construction paper, but I had so much trouble keeping it taped together that it wasn't worthwhile. But I had put it together in the dark while observing. I bet if I made one at home it would work better. Thanks, Joe
________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, November 9, 2011 11:53 AM Subject: Re: [Utah-astronomy] Dew/Frost prevention
On 11/9/11, Joe Bauman <josephmbauman@yahoo.com> wrote:
You know, Chuck, commercial is probably the best route for me -- when I can scrape together the dough. I'll check out OPT. Thanks, Joe
Do you use a dewcap? Per Patrick's post, one about two tube diameters long can go a long way to keeping your corrector plate clear.
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