Date   

Re: Disengaging gears for fine balance

Christopher Erickson
 

Having all of the right information, at the right technical level and
organized to be found quickly for each user is always a challenge.

And unlike many astro manufacturers, AP products come with sophisticated
features, sophisticated manuals and no Big Red Buttons or training wheels.

Having an open-source, user community created & managed, web-based,
Wiki-style "AP super-manual" could be an interesting concept. A user goes
to a single AP Technical Support page on their PC/Tablet/Phone and
clicks/taps on the high-level menu of topics and then drills down to their
question and personal technical level. The deeper they go, the more
technical the information provided becomes.

I need to give that concept some more thought.


-Christopher Erickson
Observatory engineer
Summit Kinetics
Waikoloa, HI 96738
www.summitkinetics.com

-----Original Message-----
From: ap-gto@yahoogroups.com [mailto:ap-gto@yahoogroups.com]
Sent: Monday, July 30, 2018 10:31 PM
To: ap-gto@yahoogroups.com
Subject: RE: [ap-gto] Disengaging gears for fine balance

C'mon Chris - which decade are we living in? :)

As previously auggested on this list, it would be better if AP had a website
or forum where all tvis information is readily available for people to find.
That way they wouldn't have to go searching each time these questions come
up.

And if setting up and maintaining a custom forum is too much overhead then
AP could consider having a vendor specific forum on CN. That way the AP team
could communicate directly to usrs, while making use of the capabilities
that a real forum provides (e.g. have a sticky thread on mount balancing)

Suggesting that every new owner who wants to know the right procedure to
balance their mount should have to call or email Roland directly just isn't
productive for anyone involved.

Steve

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Re: 1100GTO not holding polar alignment

Christopher Erickson
 

Tripod and head don't have to be level.
 
The most unlikely source of the problem is the mount itself.
 
More likely the pier, legs, adapters, bolts and such.
 
If you grab the mount and wiggle it around by hand, do you see where most of the flex is taking place?
 
Maybe there is a loose bolt or two someplace?  Maybe something not assembled tightly and/or correctly? It's easy to overlook a bolt tightening during assembly. Especially the dovetail assembly between the two mount halves.
 
 
-Christopher Erickson
Observatory engineer
Summit Kinetics
Waikoloa, HI 96738
www.summitkinetics.com
 



From: ap-gto@... [mailto:ap-gto@...]
Sent: Tuesday, July 31, 2018 3:26 AM
To: ap-gto@...
Subject: RE: [ap-gto] 1100GTO not holding polar alignment

It's always on pavement
Both LT2APM and ADATRI adapters are well secure
The Losmandy tripod is usually not adjusted, when is it, the legs need extended only a little and are secured.

That brings up one possibility I usually am no too concerned with the tripod being leveled, the level bubble is only off a little just outside the circle. I wonder if that may contribute.

So I'm considering disassembling and cleaning the mount. The RA axis section looks easy to take apart per the manual. I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

Joe

Virus-free. www.avg.com


Velcro CP4 to Side of 1100GTO?

Kent10
 

I have a 42" ATS pier with a 12" adapter.  I enjoy using the AP eyepiece and accessory trays but if I put them all around the pier then the scope hits some of the trays when at zenith.


I could use 2 stacked trays on the south end to avoid any collision at zenith.  I could also stack 4 trays on the south end because I have the 12" extension.  In order to do this I would have to remove the CP4 and adapter and relocate the CP4.


I was thinking of using Velcro and putting the CP4 on the side of the west side of the mount.  I think I would have to remove the name plate and the Lanyard post.


Does anyone else do this and do you foresee any problems?  I would use heavy duty commercial Velcro.


Thanks, Kent


Re: Mach1 clutches during moving/storage

Roland Christen
 

You'll be ok. Nothing to worry about.

Rolando



-----Original Message-----
From: Joe Renzetti axnyslie@... [ap-gto]
To: ap-gto
Sent: Tue, Jul 31, 2018 3:14 pm
Subject: Re: [ap-gto] Mach1 clutches during moving/storage



Can they be left tightened if transported securely? I've been keeping my clutches locked down and stored in a Pelican clone hard case. The case's pluck foam was replaced with high density solid foam custom cut and an extra layer added Its a super tight snug fit so it never moves or gets bumped during transport.

Joe

On Tue, Jul 31, 2018 at 11:58 AM, chris1011@... [ap-gto] <ap-gto@...> wrote:
 
Yes, you can loosen the clutches during transport. I basically leave them a bit loose but still somewhat engaged during transport and tighten them after I have the counterweights on. If you allow the clutches to slip a bit it won't put any strain on the gear teeth during transport.

Rolando



-----Original Message-----
From: privatekey42@... [ap-gto] <ap-gto@...>
To: ap-gto <ap-gto@...>
Sent: Tue, Jul 31, 2018 4:43 am
Subject: [ap-gto] Mach1 clutches during moving/storage



I've seen some comments (I forget where) suggesting that the clutches on the Mach1 should be loosened during transport to reduce risk of damage to the gears from jolting.

My questions are
- is this good advice?
- if so, is that just for transporting say by car to a dark sky site or even when moving between storage in the house and my backyard pier.

Thanks,
Paul






Re: 1100GTO not holding polar alignment

George
 

Joe,

 

Use a lighter rather than a heavy hand when tightening.

 

Regards,

 

George

 

George Whitney

Astro-Physics, Inc.

Phone:  815-282-1513

Email:  george@...

 

From: ap-gto@... [mailto:ap-gto@...]
Sent: Tuesday, July 31, 2018 3:10 PM
To: ap-gto@...
Subject: Re: [ap-gto] 1100GTO not holding polar alignment

 

 

I didn't see that until this morning. I will lock them down with the hex key from now on and test by trial and error how much torque they need.

 

Joe

 

On Tue, Jul 31, 2018 at 12:02 PM, chris1011@... [ap-gto] <ap-gto@...> wrote:

 

 

I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

It's possible that you did not see my post about the two hex head set screws that tighten the azimuth axis. These screws can be tightened down to fix the azimuth in place. It's in a previous post from yesterday.

 

Roland Christen

Astro-Physics

 

 

-----Original Message-----
From: Joe Renzetti axnyslie@... [ap-gto] <ap-gto@...>
To: ap-gto <ap-gto@...>
Sent: Tue, Jul 31, 2018 8:37 am
Subject: RE: [ap-gto] 1100GTO not holding polar alignment

 

 

It's always on pavement

Both LT2APM and ADATRI adapters are well secure

The Losmandy tripod is usually not adjusted, when is it, the legs need extended only a little and are secured.

 

That brings up one possibility I usually am no too concerned with the tripod being leveled, the level bubble is only off a little just outside the circle. I wonder if that may contribute.

 

So I'm considering disassembling and cleaning the mount. The RA axis section looks easy to take apart per the manual. I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

 

Joe

 

 


Re: Disengaging gears for fine balance

Michael Fulbright <mike.fulbright@...>
 

A forum interface with sticky posts at the top covering common questions would certainly be a welcome change from Yahoo.

Michael Fulbright

On 7/31/2018 5:03 PM, privatekey42@... [ap-gto] wrote:
 
Steve, I wasn't saying the info isn't there. There's plenty of great support docs, as Ray points out. I was just after some reassurance!! Basically since the axes were surprisingly - to me coming from an EQ6 -  stiff with only the clutches disengaged.

I do agree though that the Yahoo groups interface is clunky and a bit flakey e.g. my other question (separate thread) the initial question got posted twice for some reason. 

Paul


Re: Disengaging gears for fine balance

Paul
 

Steve, I wasn't saying the info isn't there. There's plenty of great support docs, as Ray points out. I was just after some reassurance!! Basically since the axes were surprisingly - to me coming from an EQ6 -  stiff with only the clutches disengaged.

I do agree though that the Yahoo groups interface is clunky and a bit flakey e.g. my other question (separate thread) the initial question got posted twice for some reason. 

Paul


Re: Mach1 clutches during moving/storage

Joe Renzetti <axnyslie@...>
 

Can they be left tightened if transported securely? I've been keeping my clutches locked down and stored in a Pelican clone hard case. The case's pluck foam was replaced with high density solid foam custom cut and an extra layer added Its a super tight snug fit so it never moves or gets bumped during transport.

Joe

On Tue, Jul 31, 2018 at 11:58 AM, chris1011@... [ap-gto] <ap-gto@...> wrote:
 

Yes, you can loosen the clutches during transport. I basically leave them a bit loose but still somewhat engaged during transport and tighten them after I have the counterweights on. If you allow the clutches to slip a bit it won't put any strain on the gear teeth during transport.

Rolando



-----Original Message-----
From: privatekey42@... [ap-gto] <ap-gto@...>
To: ap-gto <ap-gto@...>
Sent: Tue, Jul 31, 2018 4:43 am
Subject: [ap-gto] Mach1 clutches during moving/storage



I've seen some comments (I forget where) suggesting that the clutches on the Mach1 should be loosened during transport to reduce risk of damage to the gears from jolting.

My questions are
- is this good advice?
- if so, is that just for transporting say by car to a dark sky site or even when moving between storage in the house and my backyard pier.

Thanks,
Paul




Re: 1100GTO not holding polar alignment

Joe Renzetti <axnyslie@...>
 

I didn't see that until this morning. I will lock them down with the hex key from now on and test by trial and error how much torque they need.

Joe

On Tue, Jul 31, 2018 at 12:02 PM, chris1011@... [ap-gto] <ap-gto@...> wrote:
 


I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.
It's possible that you did not see my post about the two hex head set screws that tighten the azimuth axis. These screws can be tightened down to fix the azimuth in place. It's in a previous post from yesterday.

Roland Christen
Astro-Physics


-----Original Message-----
From: Joe Renzetti axnyslie@... [ap-gto] <ap-gto@...>
To: ap-gto <ap-gto@...>
Sent: Tue, Jul 31, 2018 8:37 am
Subject: RE: [ap-gto] 1100GTO not holding polar alignment



It's always on pavement
Both LT2APM and ADATRI adapters are well secure
The Losmandy tripod is usually not adjusted, when is it, the legs need extended only a little and are secured.

That brings up one possibility I usually am no too concerned with the tripod being leveled, the level bubble is only off a little just outside the circle. I wonder if that may contribute.

So I'm considering disassembling and cleaning the mount. The RA axis section looks easy to take apart per the manual. I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

Joe




Re: 1100GTO First Setup and a question

starwatcher
 

data have been sent...


Re: 1100GTO not holding polar alignment

Roland Christen
 


I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.
It's possible that you did not see my post about the two hex head set screws that tighten the azimuth axis. These screws can be tightened down to fix the azimuth in place. It's in a previous post from yesterday.

Roland Christen
Astro-Physics


-----Original Message-----
From: Joe Renzetti axnyslie@... [ap-gto]
To: ap-gto
Sent: Tue, Jul 31, 2018 8:37 am
Subject: RE: [ap-gto] 1100GTO not holding polar alignment



It's always on pavement
Both LT2APM and ADATRI adapters are well secure
The Losmandy tripod is usually not adjusted, when is it, the legs need extended only a little and are secured.

That brings up one possibility I usually am no too concerned with the tripod being leveled, the level bubble is only off a little just outside the circle. I wonder if that may contribute.

So I'm considering disassembling and cleaning the mount. The RA axis section looks easy to take apart per the manual. I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

Joe



Re: Mach1 clutches during moving/storage

Roland Christen
 

Yes, you can loosen the clutches during transport. I basically leave them a bit loose but still somewhat engaged during transport and tighten them after I have the counterweights on. If you allow the clutches to slip a bit it won't put any strain on the gear teeth during transport.

Rolando



-----Original Message-----
From: privatekey42@... [ap-gto]
To: ap-gto
Sent: Tue, Jul 31, 2018 4:43 am
Subject: [ap-gto] Mach1 clutches during moving/storage



I've seen some comments (I forget where) suggesting that the clutches on the Mach1 should be loosened during transport to reduce risk of damage to the gears from jolting.

My questions are
- is this good advice?
- if so, is that just for transporting say by car to a dark sky site or even when moving between storage in the house and my backyard pier.

Thanks,
Paul



Re: Disengaging gears for fine balance

Eric Dreher
 

And there you go.  Last year I spent a day reading these procedures before turning on the power.  Thanks, Chris. :)


Mach 1 SkySafari Tracking Rate

Christopher Barr
 

I ran a search on the forum and didn't see this topic addressed so I thought I would post the question.  Just received my new Mach 1 (yay!) and have it talking to my Apple devices using SkySafari (6 plus).  So far so good.  However, I am puzzled as to how to adjust the tracking rate (Sidereal, Lunar, Solar, etc.).  Can I change this setting in SkySafari or do I need ASCOM to do that?  Is it intuitive in that it adjusts tracking speed to the object selected?

Thanks,

Chris


Re: Disengaging gears for fine balance

Ray Gralak
 

As previously auggested on this list, it would be better if AP had a
website or forum where all tvis information is readily available for
people to find.
Well, there is this:

http://www.astro-physics.com/tech_support/tech_support.htm


-Ray Gralak
Author of APCC (Astro-Physics Command Center): http://www.astro-physics.com/index.htm?products/accessories/software/apcc/apcc
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver


-----Original Message-----
From: ap-gto@yahoogroups.com [mailto:ap-gto@yahoogroups.com]
Sent: Tuesday, July 31, 2018 1:31 AM
To: ap-gto@yahoogroups.com
Subject: RE: [ap-gto] Disengaging gears for fine balance



C'mon Chris - which decade are we living in? :)

As previously auggested on this list, it would be better if AP had a website or forum where all tvis information is
readily available for people to find. That way they wouldn't have to go searching each time these questions come
up.

And if setting up and maintaining a custom forum is too much overhead then AP could consider having a vendor
specific forum on CN. That way the AP team could communicate directly to usrs, while making use of the
capabilities that a real forum provides (e.g. have a sticky thread on mount balancing)

Suggesting that every new owner who wants to know the right procedure to balance their mount should have to call
or email Roland directly just isn't productive for anyone involved.

Steve


Re: 1100GTO not holding polar alignment

Joe Renzetti <axnyslie@...>
 

It's always on pavement
Both LT2APM and ADATRI adapters are well secure
The Losmandy tripod is usually not adjusted, when is it, the legs need extended only a little and are secured.

That brings up one possibility I usually am no too concerned with the tripod being leveled, the level bubble is only off a little just outside the circle. I wonder if that may contribute.

So I'm considering disassembling and cleaning the mount. The RA axis section looks easy to take apart per the manual. I don't know if there's much I can do with the azimuth adjustment parts though and that's where most of the movement is.

Joe


Re: Uniform wear of worm

Eduardo Oliveira
 

Hi Joe,

Thank you so much. Perfectly explained and understood...

Eduardo

Em seg, 30 de jul de 2018 às 16:35, 'Joseph Zeglinski' J.Zeglinski@... [ap-gto] <ap-gto@...> escreveu:

 

Eduardo,
 
The idea is ... Your mount starts off where you last left it at Park-4.
 
    Now, if you issue a 180 degree RA slew ... to Park-1, the worm moves along the worm gear to its opposite end. This 180 degree section one’s mount would constantly travel, back and forth, over the years, always “wearing-in” just that arc of the large worm wheel.
 
    For those who do a lot astronomy, this wear could add up over several years. But, if you do a normal slew from your “usual” storage Park (4), to the other extreme ... then de-clutch and move the scope by hand BACK to where you were originally Parked (4). Now lock the clutches as the worm and its gear remain  “engaged” (still) where they had stopped at the opposite end (Park-1).
   
    However, since you “manually positioned” back to Park-4,  the servo and APCC still remembers  your last GOTO (or Park-1) position – and assumes the mount is still there.
 
    That is why you need to power down, and on the power up, you need to “correct” the servo/APCC to resume at your “original Park-4” position – not at the LAST PARKED (1) command.
 
    From then on, the RA will travel along a fresh section of the worm teeth, that you have now exposed by this method of shifting the worm gear position, manually.
 
    But, this is a very long term gear wear optimization and  will very likely have “no bearing on your present problem or concern”. The “maintenance procedure” I describe could be done once a decade, depending on use, or done every year, so the worm wears-in even more smoothly over time.
 
Joe


Mach1 clutches during moving/storage

Paul
 

I've seen some comments (I forget where) suggesting that the clutches on the Mach1 should be loosened during transport to reduce risk of damage to the gears from jolting.


My questions are

- is this good advice?

- if so, is that just for transporting say by car to a dark sky site or even when moving between storage in the house and my backyard pier.


Thanks,

Paul


Mach1 clutches during moving/storage

Paul
 

I've seen some comments (I forget where) suggesting that the clutches on the Mach1 should be loosened during transport to reduce risk of damage to the gears from jolting.


My questions are

- is this good advice?

- if so, is that just for transporting say by car to a dark sky site or even when moving between storage in the house and my backyard pier.


Thanks,

Paul


Re: Disengaging gears for fine balance

Paul
 

Thanks Roland for your response (I'm DiscoDuck on CN who put that message there).

My apologies, I should've asked here first - not used yet to a manufacturer that offers such great help to their customers having just got my Mach1 yesterday  I'll stop here first in future.

I've just done the balancing now and it was as painless as you suggested. In fact, I was already very close from balancing with the clutches loose.

I'll ask one more question (in a new thread) while I'm here.

But in the meantime, thanks again. I'm looking forward to getting the Mach1 outside … once the rain's stopped! 

Regards,
Paul


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