Re: Things noticed with my G11G regarding recent topics including shaft wear, bearings, worms and miscellaneous
Here are the parts I used for retrofit, including Belleville worm block upgrade. Qty listed as needed per axis. Belleville washers come int 10 pack, so only 1 needed for both axis.
By
David Malanick
·
#73157
·
|
Re: Things noticed with my G11G regarding recent topics including shaft wear, bearings, worms and miscellaneous
That's interesting, David. Would you please post the parts numbers for all the bearings you used and the source? I'll probably buy these to have on hand for my next rebuild. Your RA shaft wear looks
By
John Kmetz
·
#73156
·
|
Things noticed with my G11G regarding recent topics including shaft wear, bearings, worms and miscellaneous
Okay so I've got my mount to a pretty good point. I have the SLW and tucked motors. Guiding is between 0.30 and 0.65. After working on my DEC axis and getting it all straightened out I started on my
By
David Malanick
·
#73155
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
The point, that I didn¡¯t say very clearly, is just that there doesn¡¯t seem to be any simple decoding of the serial #s that works for all years. -Les
By
Les Niles
·
#73154
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Les, I agree with your assessment.? In addition, drawing from material science, you must bend the material beyond the yield point before it takes a permanent set.? Before that you are in the elastic
By
Robert Benward
·
#73153
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
I¡¯ve been following this interesting discussion, learned some things about the design of the mount. This afternoon it motivated me to tear my G11 apart ¡ª I¡¯ve had some new clutch discs for a few
By
Les Niles
·
#73152
·
|
Re: Website Problem?
Truncation problem should be resolved now. A system update apparently caused this. Regards, -Paul
By
Paul Kanevsky
·
#73151
·
|
Website Problem?
Just noting that many topics and messages in the forum seem to be duplicating and repeating. And my posts are getting cut short after writing. Somethi
By
John Kmetz
·
#73150
·
|
Re: 76sec error on new OPW-11
Michael, Typically when using PEMPro, we use a hour or less of data to create a PEC curve which is then uploaded to the Gemini unit. Therefore we largely measure the behavior of the worm, and possibly
By
John Kmetz
·
#73148
·
|
Re: Sky Watcher EQ6 R PRO stripdown and rebuild
Yes not relevant but I¡¯m sure we like to keep up with other mounts technically. the reason I don¡¯t go EQ6 pro many years back was: Losmandy machine everything (not pot metal castings); Everything
By
Brendan
·
#73147
·
|
Re: Sky Watcher EQ6 R PRO stripdown and rebuild
None of this is relevant to LOSMANY mounts. -- Chip Louie Chief Daydreamer Imagination Hardware Astropheric Weather Forecast - South Pasadena, CA Astrospheric Signature (
By
Chip Louie
·
#73146
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Whoops!? ?One more time. The copy paste worked before, not sure w
By
Robert Benward
·
#73145
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
I just went downstairs to play with my RA axis.? The thrust bearings did need a good cleaning, I could feel the difference before and after cleaning.? I think my worm is also stainless, is that
By
Robert Benward
·
#73144
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Hi Bob Always time for more education. I thought the worm gear turns a matching ring gear, but I may have read wring info years ago, or I digested it incorrectly. Anyways, I have only read of one
By
Michael Herman
·
#73143
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
By
Robert Benward
·
#73142
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
By
Robert Benward
·
#73141
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Hi Dave, It's a bad habit, if it's white, and it's supposed to slip, I just assume it's Teflon.? It's probably High Density Polyethylene (HDPE). Hi Michael, My worm wheel is silver, and I think it's
By
Robert Benward
·
#73140
·
|
Re: Sky Watcher EQ6 R PRO stripdown and rebuild
The machining of the worms at the end of the clutch cylinder was used on the '80s Vixen SP and is still copied to day on the SW EQ-5 and the ES EXOS-2. The general bad machining of the cylinder to the
By
George Cushing
·
#73139
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Here are photos of the two versions of G11 worm wheel aka ring gear. I forgot to add those to the last message. One is black and seems smooth anodized aluminum. The other is older and appears to be a
By
Michael Herman
·
#73138
·
|
Re: Relationship between needle bearing wobble and variable worm mesh and backlash
Nice analysis, Bob. The G11 ring gear used to be (sometimes during it's production) steel. It is not black anodized anywhere on its surface...here is a photo. Later and current production is black
By
Michael Herman
·
#73137
·
|