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G11 vibration
I have just been looking at Jupiter and Saturn for the first time through my TV101/G11 combination. At medium power (x100) a vibration of the image was obvious. The vibration frequency seemed to be
By Adam Stephens <adamstephens@...> · #161 ·
Re: G11 Fix - Source for undersize needle bearings?
If I'm reading this correctly, it's how my older GM100 is already configured, that is, there's a bearing against the worm gear as well as ones at either end of the shaft housing. Scott, am I right
By Paul Sterngold <psterngold@...> · #160 ·
Re: G11 Fix - Source for undersize needle bearings?
Hello Bill I added a 3rd bearing to the R.A. axis, right next to the pressure plate and clutch pad. This would help, and as for the DEC. axis, yes, but you might have trouble getting the DEC axis
By scott@... · #159 ·
Re: G11 Fix - Source for undersize needle bearings?
up. Hi Scott I'm confused as to what you are saying. Did you add another bearing set in addition to the original two, and if so where?? What about the Dec axis...would this be the same?? Are you
By Bill Faatz <faatz1@...> · #158 ·
Re: G11 Fix - Source for undersize needle bearings?
Hi all, Yes, .003 is probably too much. I've never had any luck compressing needle bearings that far. They tend to distort and bind. There was one suggestion on either the SBIG or STC-USER list.
By Neal Barry · #157 ·
Re: G11 Fix - Source for undersize needle bearings?
Hello Everybody I took 4 G11 R.A. axes and measured the movement. Then I placed a 3rd bearing in the housing and measured again. I all cases the movement was cut in half. Also, if you press the
By scott@... · #156 ·
Re: G11 Fix - Source for undersize needle bearings?
I talked to Scott about that and he says the press fir of the bearings requires a press.It is tight.The issue is the bearing have play and with the built in .oo3 there's juust too much. jimmy
By James A. Thibert <thibertj@...> · #155 ·
Re: G11 Fix - Source for undersize needle bearings?
James, Is it possible to find out what shim stock is needed to take up the play and instead of placing it around the shaft, place it around the OD of the bearing and press the bearing into the
By Donald J. D'Egidio <djd52@...> · #154 ·
Re: G11 Fix - Source for undersize needle bearings?
Hi Jimmy Most of Scott's business comes from the movie industry - heavy duty tripods for camera support, etc. The telescope mounts are a sideline and because Scott is an observer himself. I would
By David A. Silva <dasilva@...> · #153 ·
Re: Losmandy Polar Scope
wrote: scope I actually align on THREE stars, notice the hash marks opposite the second star. Using the three star alignment allows me to use the manual setting circles effectively to find objects
By Bill Faatz <faatz1@...> · #152 ·
Alternative goto for the anymount
There is an alternative to the Losmandy and Gemini, at http://ds.dial.pipex.com/awr.tech/ I have one attached to a GP mount, its OK but does not have all the functions in the losmandy or Gemini goto
By Simon Mander <compulsion@...> · #151 ·
goto systems
I'm looking at goto systems for my gm8. Does anyone know if the astrometric is better than losmandy gemini? I'm concerned with function, fit and finish, quality and craftsmanship. I appreciate
By skygazers · #150 ·
Re: Losmandy Polar Scope
Your message said: Go to the files section of this group and download polar1.pdf. It helped me understand what to look at. I also remade the polar scope LED with a dimmer so it was easier to see
By Robert Spielman <rspielma@...> · #149 ·
Re: G11 Fix - Source for undersize needle bearings?
I talked to Scott losmandy today about these issues and he is aware of Neal's fix.Scott says the ra will seem better at those tolerances because the bearings are so close (short distance) but the slop
By James A. Thibert <thibertj@...> · #148 ·
Re: goto sytems
I can't speak for the gemini, but the SW-2 is a great system. The most obvious difference is that the Losmandy system does not require a computer for goto, whereas the sw-2 does. Regards Eddie
By Eddie Trimarchi <eddiet@...> · #146 ·
goto sytems
I own a gm-8 with a tak fs102. I'm looking into a goto for the mount. Obviously, it's a choice between the astrometric skywalker 2 or the losmandy gemini. I like to know which system is better in
By skygazers · #145 ·
Re: G11 Fix - Source for undersize needle bearings?
nominal have temporary fix accuracy all, the degrees of I have the same problem with my G11 but only in the lower dec bearing set (the upper set appear to be OK) The shaft is 1.250, but the ID of
By Bill Faatz <faatz1@...> · #144 ·
Re: JMI Polar scope on G11
Hi, I have no experience with the JMI version but my battery and cord is velcro'ed in place inside the semi-pier. I just let the cord hang down through the bottom of the pier then up behind the drive
By Bill Cotten <billsas@...> · #143 ·
Re: Losmandy Polar Scope
from it Can Go to the files section of this group and download polar1.pdf. It helped me understand what to look at. I also remade the polar scope LED with a dimmer so it was easier to see the
By Allen Maroney · #142 ·
Re: Losmandy G-11 DSC delran covers
From my experience and discussions with Scott L..the o ring is only there to help hold everything on the shaft ntil you screw the clutches on. It will work with the o ring or without the o ring but it
By James A. Thibert <thibertj@...> · #147 ·