| Project by JerryL | posted 257 days ago | 473 views | 4 times favorited | 15 comments | ![]() |
I just noticed that I have three telescopes in my projects list. I do build other things – take this adjustable height observing chair for example. Instead of looking through it you sit on it ;-). Basically the problem is that when you use most telescopes the height of the eyepiece changes as you look at things high in the sky vs. low on the horizon. Constantly bending down or standing up can really take a toll on your back.
This chair solves that by having a seat that’s adjustable. The first picture shows it best. The seat is made with two metal bars in the back (covered in heat shrink tubing to soften them and add some friction). By tilting the seat up it allows it to slide from where the legs attach to near the top of the back.
The construction is all 5/4 hard maple execpt for the seat slats which are 3/4 soft maple. There’s no stain just 3 or 4 coats of wipe on satin polly. This is my first real project with maple and I had really enjoyed working with this wood. 5/4 is really beefy to start with and the nice tight grain and hard wood make this stuff a dream to work.
Now if only those clouds would go away….
-- Jerry L.
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15 comments so far
jerryw
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61 posts in 403 days
posted 257 days ago
I like your chair. nice design. keep up the good work. have fun.
-- jerryw-wva.
Karson
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12913 posts in 887 days
posted 257 days ago
Nice chair and designed for a purpose. Great job. Kids could use something like that to sit at a table.
-- Karson Southern Delaware karson_morrison@bigfoot.com
RobS
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1107 posts in 793 days
posted 257 days ago
Nice, Karson’s right, it could be used in numerous scenarios. Great job.
-- Rob (A) Waxahachie,TX
Marge
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129 posts in 440 days
posted 257 days ago
cool design and very functional
-- Marge, Colorado
RobH
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291 posts in 536 days
posted 257 days ago
I love the chair Jerry, any chance you could post plans or make them available?
Keep up the good work!
-- -- Rob Hix, King George, VA
cajunpen
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5348 posts in 553 days
posted 256 days ago
Great design and execution.
-- Bill - "Suit yourself and let the rest be pleased." http://www.cajunpen.com/
rikkor
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7687 posts in 361 days
posted 256 days ago
Great chair.
-- Maplewood, MN
ratchet
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86 posts in 274 days
posted 256 days ago
Can you tell us if the it appears the seat removes for easy storage?
Ingenious design and its well executed. Good work. Thx for sharing.
CharlieM1958
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4197 posts in 705 days
posted 256 days ago
Great design!
-- Charlie M. "Woodworking - patience = firewood"
Tomcat1066
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556 posts in 283 days
posted 256 days ago
Neat design. I like it a lot!
-- "Give me your poor tools, your tired steel, your huddled masses of rust." Yep, I ripped off the Statue of Liberty. That's how I roll!
Grant Davis
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313 posts in 395 days
posted 256 days ago
That looks sweet. I could see that coming in handy while scrolling or working at the workbench.
-- Grant...."GO BUCKEYES"
Roz
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260 posts in 273 days
posted 256 days ago
Great design! This is a good idea that could be applied to other projects.
-- Terry Roswell, L.A. (Lower Alabama) "Life is what happens to you when you are making other plans."
JerryL
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37 posts in 534 days
posted 256 days ago
Thanks to everyone for the kind comments. The seat does in fact slide off the top. I’ve seen designs where the bar in back passes through the seat sides and is removable. This lets the seat be positioned independently of the legs. I’ve also seen versions that add a movable foot rest using a similar sliding mechanism. If I end up using this one in a high position I’ll be adding a foot rest myself.
To RobH, I can get you the “plans” that I used if you want them. I used them as a rough guide and if you look at this chair you’ll see the spacer blocks at the top, middle, and bottom. It’s obvious that the guy who did the plans I used wasn’t a wood worker. My second version will use cross pieces at the top and bottom with three mortise & tennon joints in place of the spacers and threaded rod.
I plan to use two pieces of dowel in the middle. They are short enough that I can get a hole through them without much trouble.
-- Jerry L.
mrpeabody
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1 post in 248 days
posted 248 days ago
Don’t know if you’ve gotten any feedback from astronomers, but there’s a couple of us that find your chair design very intriguing. A fellow astronomer/friend is taking a woodworking class and has offered to think about building me a chair like yours if I can come up with the plans. I notice that you’ve already received one request for plans, and that you plan on improving those plans – Either way, any plans that you might care to share would be greatly appreciated. I use a small telescope design known as a Schmitt-Cassagrain, and I’m constantly having to bend over or squat to use it, and since this telescope is “clock” driven I can spend long periods in a single position observing and/or photographing. So yes, please do share.
Thanks very much.
-- -- "Keep Looking Up..." - Jack Horkheimer
jeanmarc
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1752 posts in 203 days
posted 73 days ago
Nice chairKeep up the good work
-- jeanmarc manosque france