... down, ... mean by 'hands down'? Could you please provide documentation to support this position.and.. ... I don't ... that enhanced coatings are preferred...
18884
Richard Carner
rmcarner
Aug 26, 2008 10:14 pm
... 'This question came up once before, and IIRC, Enhanced wins hands down, UNLESS you live near an ocean with salt spray in the air.'What do you mean by...
18883
Scott Tannehill
scotttannehi...
Aug 25, 2008 4:09 am
I did my 12" GSO tube with Protostar material. I'd follow Bryan Greer's instructions, which I think you can access on his protostar website. Don't know about...
18882
kyle_baron
Aug 22, 2008 12:33 am
... This question came up once before, and IIRC, Enhanced wins hands down, UNLESS you live near an ocean with salt spray in the air. Then the Standard coating...
18881
gnowellsct
Aug 21, 2008 7:30 pm
I had a problem wtih my wood tripod, it was binding and the legs did not want to go in or out. This is a Berlebach, finally and precisely cut german ash of...
18880
Dave Reese
d_e_reese
Aug 21, 2008 7:14 pm
Kurt, In addition to James M (OMI), whom I'm sure would do a fine job, I would recommend John Hudek at Galaxy Optics (http://www.galaxyoptics.com/), the...
18879
Tim Nott
notttimothy
Aug 20, 2008 10:30 am
Hi all, Relating to a recent post I have since lost: A couple of thoughts for anyone with continual strips of Teflon on their side bearings. If the radius of...
18878
Mike McAllister
mcallister_mm
Aug 20, 2008 12:41 am
Hi all, I am seeking advise re: flocking the inside of my 10" dob. I have read conflicting recommendations regarding installation of the flocked paper...
18877
Kurt Maurer
cbp704
Aug 16, 2008 2:03 pm
Looking over the various web sites brings up the next Big Question: What flavor of coating do I like best? "Standard";, "enhanced";, "protected" (dang ... these...
18876
Mike Lockwood
parabola30
Aug 15, 2008 4:30 pm
Hi, For service, quality, and turnaround time, I recommend Nova Optical. Carl Zambuto also uses Nova for many of his mirrors. Currently they coat mirrors up...
18875
Gordon Pegue
gtpdeepsky
Aug 15, 2008 2:40 pm
I would shamelessly plug James Mulherin - Optical Mechanics - as the only outfit I'd trust with my 20" glass. I know James personally. Plus, he fabricated and...
18874
Jan van Gastel
janvangastel
Aug 15, 2008 1:42 pm
Hi Kurt, I have read good stories about Ion Assisted Deposited coating. See http://www.spectrum-coatings.com/coatings.htm . Jan ...
18873
Kurt
cbp704
Aug 15, 2008 1:25 pm
Who are we recommending as top mirror coaters these days? Why? Please forgive me if this has been recently tossed about, I've been a bit out of touch and...
18872
Kevin Ackert
mackev1
Aug 14, 2008 9:36 pm
Yes. The rubber mat is flexible and if you tip the scope up about ten degrees the water runs out the back. I looked for a pic of us doing this but could not...
18871
Ross Sackett
rsackett00
Aug 14, 2008 8:36 pm
This is kinda OT, but how often do all you Obsession owners hose down your primaries? I remember reading in K&B that the open tailgate made it easy, but I...
18870
Attilla Danko
attilladanko
Aug 14, 2008 8:33 pm
On an obsession, so you drain the water out the front to back? Last time I looked i thought the bottom edge of the mirror dipped below the front and back lips...
18869
Alvin Huey
generalragesc
Aug 14, 2008 8:29 pm
Mike, I got some replacement Kydex from here. http://www.meridiantelescopes.com/ebonystar.htm Clear skies, Alvin ... From: "Mike McAllister"...
18868
Paul Alsing
palsing
Aug 14, 2008 8:28 pm
Just use a large black plastic trash bag with duct tape, I fashion a drain with it, works great... \Paul A...
18867
Mike McAllister
mcallister_mm
Aug 14, 2008 8:11 pm
Thanks everyone for your quick response Mike...
18866
Kevin Ackert
mackev1
Aug 14, 2008 8:00 pm
I've not used Kydex for this, but have used a Rubbermaid 3 x 6 floor mat turned upside down. Perfect size for a 36" Obsession. The mat hangs out the back of...
18865
Dave Reese
d_e_reese
Aug 14, 2008 7:49 pm
In addition to the UTA, for those Obsession owners with the ServoCAT needing to wash their primaries, Dave K recommends cutting a piece of Kydex to the right...
18864
Howard Banich
hbanich
Aug 14, 2008 6:57 pm
A slightly better material is ABS. Although it's still a thermoform plastic like Kydex it tends to not buckle as much when exposed to heat, so it looks better...
18863
Bob Bunge
bungerob
Aug 14, 2008 6:53 pm
Local plastics wholesalers might have it as well, a couple of calls from the old fashion yellow pages might find a source near you. Comes in different...
18862
prmo@...
prmtel
Aug 14, 2008 6:36 pm
Mike, It's called Kydex. You might check with Dobstuff or other dob makers to see if they will sell you some. Pat [Non-text portions of this message have been...
18861
Attilla Danko
attilladanko
Aug 14, 2008 6:35 pm
A plastic called Kydex is often used for upper cages. Not necessarily the best material. It warps in warm weather and gets very stiff in cold weather. On Thu,...
18860
Mike McAllister
mcallister_mm
Aug 14, 2008 6:30 pm
Hi all, Can anyone tell me what that black material that we often see in the upper cage of a truss dob is called. No, I don't mean the flocking paper, I'm...
18859
Mike Linnolt
startestisbest
Aug 13, 2008 8:12 pm
To everyone interested, I have started a new Yahoo group, http://tech.groups.yahoo.com/group/TMMTG/ which is aimed principally towards hand figuring and star...
18858
John Mahony
jmmahony
Aug 13, 2008 2:04 am
The link works- just make sure you get the whole thing, since the line wrapped. -John...
18857
davidfpitre
Aug 13, 2008 12:29 am
Tim, Can you check the link to your spider? It isn't working. David...
18856
tsulmer1
Aug 12, 2008 6:02 am
There is another option. Since you are building your own 18" dob, have you considered building your own spider and secondary holder assembly? If you've got...
