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Found 5 results

  1. From the album: Astronomical Equipment

    I hear of lots of people getting guitar chairs and drum thrones and there are other adjustable chairs out there. none of them have more than 10 inches of adjustibility. Guitar chair is 21 to 31 inches. that will not work for your SCT which you can set up and work out what the travel from zenith to horizon is and where that will place your eyepiece. Then you will see what range of adjustment you'll need and work from that point. observing chairs that fit the scope without excess capacity will almost always be a custom design you make yourself. This chair I made is inexpensive, safely modified to avoid pinching and spills, and really works unlike many of the designs I've seen on the net. The adhesive non-skid strip idea is bad. It fails in less than a week for me. The chair will not work without it and so the glue sand on the a-frame both sides is an excellent and inexpensive mod. The extra lag screw to prevent the aluminum bar notch from coming off the bolt and laying you flat on your back was another necessary design change in my opinion making my friction based Denver observing chair superior to any I've seen of that particular design.
  2. From the album: Astronomical Equipment

    Before I modified the aluminum bar securement system I had decided the pinch point of picking the a-frame up by the apex was unacceptable and put this handle on to make it easy to avoid that.
  3. From the album: Astronomical Equipment

    Here is the finished Denver observing chair
  4. From the album: Astronomical Equipment

    I don't have a lot of money. So i made my own chair instead of paying $200 or more. I did make some mods to the design since it wasn't safe the way I found it on the internet. One of which is the alteration of the use of an adhesive strip to the glued sand.
  5. From the album: Astronomical Equipment

    This is part of the replacement for the adhesive non-skid strip. The non-skid strip failed within the week. I replaced that with sand glued on with waterproof wood glue. The original design called for a piece of rubber fuel line tubing to be nailed to the back edge of the seat assembly. This new design adds another piece of rubber tubing to the backside over the large bolt you see in the image above.
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