Hi Folks, My scope has been absolutely perfect UNTIL I went to a star party Friday night. I got lost on the way to a new site, (2 1/2 hrs on back contry...
I've been working on the scope for several hours and think the problem is with the altitude encoder. First of all several weeks ago I had posted that I had...
Maureen, Is it possible the setscrew that holds the encoder shaft isn't tight and slips on the shaft? What about movement of the anchor for the encoder "arm"?...
Thank you so much for your response,Don. I have to say that I'm am very discouraged because I have tried all the suggestions and checked out everything and...
Maureen, Well, when your scope moves 90 degrees, your encoders don't register 90 degrees of movement. I would reason this means there is some slipping...
Don, I called Bill today and he gave me the name and the number of the man who makes the DSC's. It was a long and very helpful conversation. He gave me two...
Hi all, I would like to share some observations from taking my newly built 8'' f/7 telescope under the stars. The primary is an 8'' f/7 premium mirror from...
Hi Nick, Nice report. Interesting to hear you're not letting something minor as having no mount prevent you from observing! Well yes, the increased aperture...
... Those 120mm short tube refractors have horrible chromatic aberration. Your new Newtonian is by definition apochromatic, so, it shows the true colors. No...
Don, first of all I wanted to say that since I made many of the adjustments you suggested and since my collimation skills have gotten better I find that my...
Maureen, Thanks. It gives me something to check on my own scope because I have gotten warp factors from 0.1 to 1.7 myself, depending on setup. And I bet some...
Don, You probably know the tests Rick told me to do but for the benefit of others here they are. First level the scope, then and this at first sounds very...
I will be installing DSC's on my 10" PDHQ sometime in the near future but I am curious how this is done on the PDHQ's.... With the handle in the center of the...
I realized that Discovery installed a small felt like stop at the back of the rocker box. When I removed it and ran the altitude test I actually found that I...
... Mark, One of the adjustment knobs is replaced with a little doohick that attaches an encoder to the axis. Let me know, and I can send you a picture showing...
I would purchase an installation kit directly from Discovery. I have one installed on my 14" PDHQ. The kit contains a second carrying handle that is mounted...
... report ... Wes, I wish we had your Oregon 7th mag skies down here. I have been trying to get IC1296 for the last two years with the 15"!! No luck, or...
I've had my 12.5" PDHQ for about 8 months now and have been fussing with upgrades like fans, wheelbarrow handles and a stiffner board for the rocker box, but...
Hi Mike I'm happy for you bro! Where did you get the Teflon? Thanks, Dan NM 17.5TD ... for ... on ... altitude ... (came ... anything ... were ... virgin ... ...
Hi Dan, Don's source looks good. I got mine at Scopestuff, http://www.scopestuff.com/ss_ts31.htm and I'm sure there are many other sources. The nice thing...
Maureen, I leveled my scope, and checked the vertical. I was as close to dead vertical as I can get with a Sears Angle-Level. It read 90.0 through the entire...
... I'm not Dan, and I'm not a true expert on this, but my understanding is that the mechanics of any frictional bearing depends (on the materials and...
when you say they should be placed at 90 degrees is this referring to 90 degrees to each other? where on the curved surface of the rocker box do the bearings...
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