I am redesigning my truss dobsonian for a 16-inch full thickness blank. Does anyone have suggestions on a mirror cell for a glass that size? Preferrably, I...
3998
Christopher Erickson
data_plumber1
Feb 6, 2007 3:41 pm
These might help: http://www.parksoptical.com/index2.php?cPath=26_132&cat=Primary+Mirror+Cells ...
3999
tom walker
triblene
Feb 10, 2007 8:22 am
I developed a strange but very effective way of mounting large mirrors on flat circles of wood. Construct the wood circle from heavy very high quality (marine...
4000
lancelottlink
Feb 14, 2007 2:44 pm
... blank. Does anyone have ... would consider siliconing the ... not be easy and am leaning ... products/companies? ... truss and ... use a plop design cell...
4001
wtxdonk
Feb 15, 2007 2:46 pm
Hi Guyus: I'm brand new to this group and I came with a problem. I have a GP mount (not DX version) that is about 5-6 years old, bought new and moderately...
4002
Christopher Erickson
data_plumber1
Feb 15, 2007 3:07 pm
The Astronomy Boy site might help. I have replaced the grease in my mounts with white lithium. http://www.astronomyboy.com/cg5/ "My advice is free and worth...
4003
wtxdonk
Feb 15, 2007 5:25 pm
... THANKS CHRIS!! The Astronomy Boy site was just what I needed. I now have this site bookmarked. Don Semi-retired engineer C9.25 Orion 100/6 ... new". ... ...
4004
Wes & Lou
martay6taylor
Feb 16, 2007 11:59 am
Doon- Here’s a site Christopher also previously provided to me… nothing but illustrations- you may find helpful as well- HYPERLINK ...
4005
firedjl
Feb 21, 2007 7:29 pm
Hello all, new to this and some other sites. I've found that the Made in China stuff uses a stiff silicone-based viscous "grease" on slow-moving parts to...
4006
milliesand@...
rumybro2
Feb 22, 2007 4:39 pm
The "better" mounts have had their gear train lapped, which takes time and money. Mix up a small batch of grease and some fine lapping powder, such as 20...
4007
Gene DiGennaro
genedig65
Feb 22, 2007 5:40 pm
Hello folks, My name is Gene and this is my first post to the group. I have a Konus (Bosma made)EQ4/CG-5 clone that they call EM-10. I'm in the process of ...
4008
Christopher Erickson
data_plumber1
Feb 22, 2007 5:48 pm
I suspect that the Chinese business model is to target the guy who walks in and says "what39;s the cheapest you got?" and has no deeper awareness of the value of...
4009
Don Latham
firedjl
Feb 22, 2007 10:18 pm
I agree, Tom. You're right about the lapping, and Chinese quality control, too. Make sure everyone understands we mean to lap only metal gears, remembering...
4010
tatsco
Feb 23, 2007 2:30 pm
Hi Folks, As captioned, if you are interested in, please go to the following link to take a look. < http://www.geocities.com/tatsco/Vixen_New.htm > In...
4011
rumybro2
Feb 23, 2007 2:43 pm
Sadly, I believe you are right about most consumers. Been there, done that myself. Take tools for example. A screwdriver is a screwdriver is a screwdriver,...
4012
rumybro2
Feb 23, 2007 2:48 pm
You're right, Don. Should have specified that this method of lapping gears is for METAL. Tom ... control, ... gears, ... the grit ... REALLY ... the ... sleeve...
4013
Gene DiGennaro
genedig65
Feb 26, 2007 1:29 am
... Anyone? Surely I can't be the only fool who bought one of these!...
4014
Rick Berry
rixb68
Feb 28, 2007 11:36 pm
Hello! I'm looking at getting an Antares EQ3 mount from Kendrick Astro Instruments for my Orion ST80. I got the ST80 with the Paragon tripod with the intention...
4015
warpedcorp
Mar 11, 2007 6:14 am
FYI... I am finalizing the current order for Belt Drive Kits. If you are already on the list, you should have received a confirmation request. If you did not...
4016
Christopher Erickson
data_plumber1
Mar 11, 2007 6:02 pm
A must see! http://www.astro-physics.com/index.htm?whatsnew/madeinamerica Triple-check your local broadcast time. "My advice is free and worth every penny!" ...
4017
firedjl
Mar 13, 2007 6:54 am
Didn't mean to be too pedantic :-) Forgot my additional priceless wisdom: try to do equal total time in each direction, but not to fall into a rhythm so each...
4018
RAP
applecounty_1
Mar 13, 2007 2:50 pm
... fall ... lapping ... quality ... are ... embed ... course ... use ... your ... (in ... to ... on ... low- ... tried ... I am not really qualified to...
4019
j_minnerath
Mar 18, 2007 5:52 pm
Any of you guys out there who have built this type of split ring equatorial? Or used it? I've been trying to find some design references for it, but haven't...
4020
John Strange
coinredcat
Mar 19, 2007 6:02 pm
Hi, I built the split ring design below many years ago after I saw it in Telescope Making. The equatorial platform seems more popular now which is a pity as I ...
4021
j_minnerath
Mar 22, 2007 4:29 pm
... John, never have been able to find that location for those designs. But back to the general subject. I was going to use pillow blocks for the new DEC axle...
4022
warpedcorp
Mar 22, 2007 5:43 pm
FYI... This will be the last call for those wanting the belt conversion kits for the Meade LXD55/75 GEM mounts (and identical clones). This is a completely...
4023
John Strange
coinredcat
Mar 25, 2007 6:44 pm
Hi John, The address below should work hopefully, the last one worked for while but I find site addresses stop working quite often now. ...
4024
j_minnerath
Mar 26, 2007 9:55 pm
... believe it was Porter who came up with the basic idea, I believe he was trying to get around the problem of inaccessible NCP with the English yoke. My...
4025
warpedcorp
Mar 27, 2007 6:43 am
FYI... I have sent out confirmations on all orders for the WarpsDrive Belt Conversion Kits. If you think you ordered, you meant to order, you asked to order or...
4026
j_minnerath
Mar 27, 2007 2:35 pm
I've been posting a lot of questions looking for ideas about improvements to a standard split-ring mount. Many folks here have offered sugestions and pointed...