kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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This is a 20 inch ED JONES CHief .
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veebs2
special label
Reged: 03/13/07
Posts: 287
Loc: DeKalb, IL
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Great looking scope!!
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Paul
Zhumell 10" (My Mistress - name given by my wife)
Hyperions - 5mm, 13mm and 24mm
Stratus - 8mm and 17mm
Howie Glatter 2"-1 1/4" Holograpic w/ Barlow
Lumicon OIII Filter
Telrad
DeKalb, IL
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jayscheuerle
Post Laureate
Reged: 01/16/06
Posts: 4071
Loc: S. Philadelphia, PA
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whoa...
How tall/long is that puppy?
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Fight indignorance!
The Green Goblin - 12" of dobsonian excellence!
The PortaBowl-a $100 4.5" f/8 ball-scope YOU can build!
Eero2-a 6" f/5 ball-scope you probably can't. 
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kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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the ladder is 10 ft/ eyepiece 7 ft above the primary // that is shorter[ eyepiece height ] than my 20 f 5 newtonian GO CHIEF GO UNOBSTRUCTED /SPIDERLESS / kevin frederick
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jayscheuerle
Post Laureate
Reged: 01/16/06
Posts: 4071
Loc: S. Philadelphia, PA
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First light yet? The Chief is very intriguing. Ed's work in general is remarkably clean. - j
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Fight indignorance!
The Green Goblin - 12" of dobsonian excellence!
The PortaBowl-a $100 4.5" f/8 ball-scope YOU can build!
Eero2-a 6" f/5 ball-scope you probably can't.
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timo4352
super member
Reged: 04/16/07
Posts: 160
Loc: Northeast Ohio
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You know we're gonna need LOTS more pics of that scope... 
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Orion 3.6CA Reflector
and 2 homebrew scopes --
8" Hubble Bubble ballscope
8" F/8 CHief - nearing completion 
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kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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first light tonight after some adjusting it works THANKS ED FOR ALL THE HELP
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mark cowan
Vendor (Obsidian Optics)
Reged: 06/03/05
Posts: 2159
Loc: salem, OR
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"It works" ?
That's all?
Come on! 
Best,
Mark
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kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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hi MARK i need to spend some time tweeking the ajustments hope to tonight / verry cool / this thing works !!so easy a farmer can do it/ / i think it is the way to go!! ED says he can make it work up to 30 inches/ ED made the corrector lens and the upper end of the ladder // i made the f8 primary and the mounting / ED tested all the optics on his zygo.kevin frederick
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Ed Jones
Pooh-Bah
Reged: 04/06/04
Posts: 1415
Loc: Sin-sin-atti
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Congrats Kevin, I think you just set a record for the largest amateur unobstructed scope! 
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Ed Jones
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kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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You made the part that has neaver been made before!! // What can we build next? This telescope is so cool looking in the focuser and no secondary and spider// Canot wait to have you take a look// THANKS kevin frederick
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Ed Jones
Pooh-Bah
Reged: 04/06/04
Posts: 1415
Loc: Sin-sin-atti
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I helped Kevin making the lenses, lensbox and upper ladder. Kevin did the mirror and everything else. Here's a picture of Kevin's lens box before painting.
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Ed Jones
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deSitter
Carpal Tunnel
Reged: 12/09/04
Posts: 2926
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When did "chief" become the handle for a Schiefspiegler (literally "Slantmirror-er")?
-drl
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Ed Jones
Pooh-Bah
Reged: 04/06/04
Posts: 1415
Loc: Sin-sin-atti
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It's a name I coined, short for "Catadioptric-Herschelian Schiefspiegler" to distinguish it from the typical schief.
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Ed Jones
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deSitter
Carpal Tunnel
Reged: 12/09/04
Posts: 2926
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Nice!
-drl
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Gary Fuchs
scholastic sledgehammer
Reged: 05/22/06
Posts: 867
Loc: Easton, PA, USA
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Nice work both of you. I'm hoping to get a look soon.
Gary
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kfrederick
professor emeritus
Reged: 02/01/08
Posts: 666
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just looked at the moon with the 20 f8 CHIEF / LOOKED great and i had not got all the adjustments done it/ MY wife was blownaway and she has looked through alot of telescopes/ KEVIN
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Glig
sage
Reged: 10/02/05
Posts: 370
Loc: Baltimore, MD
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Well I hope I don't ruffle any feathers here but the Chief seems to be king of all the tilted component telescopes. Can anyone name a type of TCT that is portable anywhere near this size other than the Chief? Most examples of TCT's I've seen are 4.25 inches in aperture! 6 inches is considered big!
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Richard Caldwell
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Ed Jones
Pooh-Bah
Reged: 04/06/04
Posts: 1415
Loc: Sin-sin-atti
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There was an 18 inch Yolo in Feb. Sky & Tel 2008 built by Chris Krauskopf from Louiville.
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Ed Jones
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Glig
sage
Reged: 10/02/05
Posts: 370
Loc: Baltimore, MD
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My guess is that this Yolo has a high center of gravity -unlike your Chiefspiegler design. I might be just spittballing here but the high center of gravity most TCT's have (and high complexity) may limit their usefulness as portable telescopes. Because of that I doubt a Yolo of this size can be portable without a lot of engineering.
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Richard Caldwell
Edited by Glig (08/27/09 08:34 AM)
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