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Messages 13744 - 13773 of 13773   Oldest  |  < Older  |  Newer >  |  Newest
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13744
Hey Harold - Yup - that's just it - I've got the bearings as far forward (if you mean toward the eyepiece) as I can get them. When I said "as far back" as I ...
Dave Grosvold
dcgrosvold
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Oct 20, 2009
4:29 am
13745
I have the 17.5 F5 Split tube PDHQ, and I love it! No balancing issues and I added accessories to it. The split tube for the most part doesn't present me with...
delbert rohrbach
dell_69_us
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Oct 20, 2009
5:20 am
13746
I purchased the 12.5" rigid tube new in 2004. I love it today as much as the first time I set it up....
StargazerTony
stargazerav
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Oct 20, 2009
11:52 am
13747
I have the 12.5" F/5 truss Discovery. I've added a Feather touch focuser, Argo Navis, dew guard system, fan, balance weights and a 12v 7 amp battery to run...
skiestogaze
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Oct 20, 2009
1:26 pm
13748
I forgot to add that I bought mine in 2004 - I think. Maureen...
skiestogaze
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Oct 20, 2009
1:31 pm
13749
I own a 12.5" f/5 solid tube, which I'm contemplating splitting. Ken.......
kdadey2000
Online Now Send Email
Oct 20, 2009
1:41 pm
13750
Hello folks,   I have noticed a few have some balance issues with their scope, which I also have on my homebrew dob.  In the Kriege book on building a truss...
Jeff Berman
k9yr
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Oct 20, 2009
2:17 pm
13751
... HEY TONY! Is that you? Have you joined this Forum? I hope you have...it's a kick! (I just joined this month) Everybody owns Discovery scopes here! HAL...
Harold
sanction36
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Oct 20, 2009
2:37 pm
13752
... HEY JEFF: You may blame me for the current rash of postings! HAL...
Harold
sanction36
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Oct 20, 2009
2:45 pm
13753
... HEY KEN: Be careful and think out all your moves well before pulling the cord on that chain saw! HAL...
Harold
sanction36
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Oct 20, 2009
2:46 pm
13754
I used a chain for a number of years but then switched to a sliding rail system from scopestuff.com. I found, for me, that the type of system you use is...
skiestogaze
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Oct 20, 2009
3:47 pm
13755
... HEY MAUREEN: The TV Ethos is a fine ocular...I've looked through one! However, I still enjoy the 82 deg. FOV in my Naglers, and would buy another one...
Harold
sanction36
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Oct 20, 2009
4:46 pm
13756
Thanks for the tip, Jeff - I'm going to have to experiment with that. I have that book. It just didn't connect for some reason. Dave Grosvold Diamond Bar G...
Dave Grosvold
dcgrosvold
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Oct 20, 2009
4:57 pm
13757
Hi Hal, I have the 8mm & 13mm Ethos so I am a fan but right now the cost/benefit ratio is an important factor. I just don't think I will use it enough to...
skiestogaze
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Oct 20, 2009
10:32 pm
13758
Hello all, Re the poll: a 12.5" Truss-tube. Easy up, easy down, solid performer. Only complaint at all would be the (not entirely minor) collimation...
saegaema
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Oct 23, 2009
1:41 pm
13759
... HEY MARC: I had the same problem with my 20" Obsession when I owned it back in 2000. It would slip collimation 2 or 3 times a night when I went from near...
Harold
sanction36
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Oct 23, 2009
3:42 pm
13760
It's disappointing to hear you, too, experienced collimation going out of whack and only found resolution by turning to a solid tube assembly. I was hoping...
saegaema
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Oct 23, 2009
3:52 pm
13761
About 4-5 years ago Don Penske(?) (Starman1 on CN) suggested replacing the small washers under the screws that hold the spider with fender washers. I tried it...
skiestogaze
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Oct 23, 2009
9:52 pm
13762
Hi Marc, One big problem I have had with my Discovery 17.5" truss DOB is the constant need for re-collimation several times during an observing night. The...
Jack Barnes
wa7kmr
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Oct 23, 2009
10:05 pm
13763
Thanks to all who responded with suggestions for correcting collimation slop. I will give a few of the recommendations a try. I'd done a search some time ago...
saegaema
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Oct 24, 2009
2:28 am
13764
... Yes, Maureen...the fender washers allow you to place more tension on the spider vanes by allowing that tension to be distributed over the wider area...
Harold
sanction36
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Oct 24, 2009
3:00 am
13765
I used fender washers too, when I first got the scope (15" TD), but finally built a new upper cage assembly, shaving off two pounds and greatly increasing...
john_f_arkansas
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Oct 24, 2009
2:05 pm
13766
Marc, Don is extremely knowledgeable and helpful. He also own a 12.5" Discovery truss scope. I haven't seen him post on here in a very long time but you could...
skiestogaze
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Oct 24, 2009
2:07 pm
13767
HELLO! I visited Discovery's manufacturing facility today to see if the three 15" Split-Tube components Bill provided for me would fit in my compact Toyota...
Harold
sanction36
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Oct 25, 2009
12:15 am
13768
Congratulations Hal! Thanks for the interesting report on Bill's operation. Hopefully, he'll be able to turn things around and get Phil Harrington to "take...
skiestogaze
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Oct 25, 2009
8:17 pm
13769
... HEY MAUREEN: I know nothlng of which you're speaking. HAL...
Harold
sanction36
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Oct 26, 2009
2:14 am
13770
Hal, Phil Harrington, in the last edition of "Star Ware" said that he couldn't recommend Discovery scopes, not because of their quality, but because of the...
skiestogaze
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Oct 26, 2009
2:19 am
13771
... Thanks, Mo (If I may...) It's true that delivery times have always been the bugaboo with Discovery, but they can never be faulted on Quality! When I...
Harold
sanction36
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Oct 26, 2009
4:10 am
13772
Bill told (wrote) me many times about his operations and plans. However, there was no improvements in lead times, they were generated by the pyrex shortage. ...
johangw
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Oct 26, 2009
6:14 am
13773
Just put a "wanted" ad at Astromart looking for an 8" F/7. Obviously, a Discovery would be my first choice. If you know anyone willing to part with one, let me...
Jean
jsuth97007
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Nov 4, 2009
6:54 pm
Messages 13744 - 13773 of 13773   Oldest  |  < Older  |  Newer >  |  Newest
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