Do you need longer bolts?? If so, how long a threaded part do you need?? Here are photos of the saddle bolts on a GM8.??
(I'll check on the bolt type on my GM8 when I get home.? I think they are the same for G11 as for GM8 saddle.... )
And...where in Earth are you located?
Best, Michael
Dear Group members,
I own a Celestron 11 with a Losmandy G11 mount. Now I want to replace the saddle plate and add an accessory bar on top of the C11. However, coming from the metric part of the world, I can't figure out what screws to buy. Can you help me with that please? I need to know what kind of screws hold the saddle plate and what kind of screws are on top of the C11 for mounting an accessory bar.
Thank you in advance
Stephan
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Dear Group members,
I own a Celestron 11 with a Losmandy G11 mount. Now I want to replace the saddle plate and add an accessory bar on top of the C11. However, coming from the metric part of the world, I can't figure out what screws to buy. Can you help me with that please? I need to know what kind of screws hold the saddle plate and what kind of screws are on top of the C11 for mounting an accessory bar.
Thank you in advance
Stephan
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Re: On the subject of ... R4ZZ bearings for improved PE...
Yikes, Keith. Not a fun story to read but recently, other owners have been having trouble.? If you are in my area, or want me to try a repair of your system,?let me know.? At least I can try to determine and remedy the cause.? Or..as you say... move up the mount food chain to a higher level mount.? It's just a matter of money...!
Very best, Michael
[Edited Message Follows]
Funny you should bring up the subject of bearings.? I've been wrestling with my older G11 for some time now and was (or maybe still am) on the edge of moving on from this mount as the hobby has become the mount.? I'm no longer trying to tame the large PE (10" peak to peak with OPW that nothing I try seems to reduce) since this is not what affects guided imaging, but instead have been trying to get rid of very noisy tracking - rapid RA changes on the order of 1.5-2" over a few seconds that guiding can't keep up with.? I tried Belleville, different high-precision worm, McLennan gearboxes, etc, etc, etc.
Well finally last evening I tracked this down to the new (repeat NEW) ABEC7 bearings from Boca I had installed some time back.? When I removed the worm and rotated it while holding on to the bearings, I could feel they were not as smooth as both the ABEC5 I had on hand (can't recall vendor) or the stock Losmandy bearings that came with the OPW.? Sure enough last night I finally tested on the scope and the tracking is much more well behaved after putting in the ABEC5.
So takeaway is that ABEC7 in and of itself does not mean better.? I could have just a bad sample (replaced both though probably only one was bad).? So best to probably order many and cherry pick the good ones.
Keith
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Re: On the subject of ... R4ZZ bearings for improved PE...
Funny you should bring up the subject of bearings.? I've been wrestling with my older G11 for some time now and was (or maybe still am) on the edge of moving on from this mount as the hobby has become the mount.? I'm no longer trying to tame the large PE (10" peak to peak with OPW that nothing I try seems to reduce) since this is not what affects guided imaging, but instead have been trying to get rid of very noisy tracking - rapid RA changes on the order of 1.5-2" over a few seconds that guiding can't keep up with.? I tried Belleville, different high-precision worm, McLennan gearboxes, etc, etc, etc.
Well finally last evening I tracked this down to the new (repeat NEW) ABEC7 bearings from Boca I had installed some time back.? When I removed the worm and rotated it while holding on to the bearings, I could feel they were not as smooth as both the ABEC5 I had on hand (can't recall vendor) or the stock Losmandy bearings that came with the OPW.? Sure enough last night I finally tested on the scope and the tracking is much more well behaved after putting in the ABEC5.
So takeaway is that ABEC7 in and of itself does not mean better.? I could have just a bad sample (replaced both though probably only one was bad).? So best to probably order many and cherry pick the good ones.
Keith
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On the subject of ... R4ZZ bearings for improved PE...
Hi?gang,
I have a fellow Losmandy user in Australia, interested in having me send some R4ZZ ABEC-7 bearings to him with some Belleville washers, and clutch disks.? So I am putting together a kit for him.
I looked for my favorite vendor of the R4ZZ ABEC-7 bearings, namely .? I specified those when I wrote the PDF on installing these, a few years ago.? Since then, other people mentioned the good price on these quality bearings from McMaster-Carr online.??
I remember seeing the same item, some time ago, on McMaster-Carr website for about $5.50.
At BocaBearings, they show these bearings at a cost (singles) of ~$10.77 each.? At quantity 10, they go down slightly to $9.39.? The specific bearing is listed here: ??
I then chatted with the seller BocaBearings.com. I told him the McMaster-carr version were only about $5.50.? He replied that his bearings are more costly than McMaster because they are stainless steel, and that the McMaster-Carr bearings are not stainless.? (I guess he's in the bearing business and should know!)
So...? this might explain the 2X price difference between these 2 vendors.? And of course, we have our equipment outdoors, where heat and moisture can corrode things, so the stainless?steel bearings would be preferred for long term use.
----------- I just put in my order for 10 of these from Bocabearings.? ?I'll have a few spare, so let me know if you also want some, and I'll order more of them... but of course you can get them directly for hardly any more money!? They are harder to get abroad, so if you are out of the US, let me know if you want me to ship you some for upgrading your mount also.
All the best, Michael
--
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Sounds like I started off with bad advice before coming here. What I want to do is control the mount with my laptop which for now I have stellarium on it. I may try skysafari to see which I like better. It's all new to me. I just got this mount a few weeks ago and because of bad weather on North Carolina's coast ( I'm a 60 yr old lineman) I haven't had much time to set it up. My only other mount was a meade dc drive starfinder 8". Using a program on the laptop I'm hoping will help me navigate and learn the sky better for using the gemini hand control. Plus I have a young great nephew that is interested.? So your instructions sound much simpler.? Thanks. I'm not setting my scope up because I am on call at work. I've been out multiple times today. I'll try this next week. My understanding was that I had to configure the tp-link before connecting it to the mount. So that is what I have been doing along with fussing! Lol thanks.
Greg
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Re: Guiding east even while east heavy
Hard to say without knowing more details on your guiding.
I leave both my G11 and G11T outside 24/7 even under the current hot conditions, and it hasn't impacted my guiding
I'm not sure what you are using for guiding, but if it's PHD you might check over at the PHD forums.
you can upload your guidelogs here and I can take a look as well
Michael also mentioned you might double-check the correct mount type is selected in your gemini.?
maybe doublecheck the obvious stuff: is RA and DEC connected to the correct ports,
On Sat, Sep 14, 2019 at 3:02 PM < jn681@...> wrote: Should have joined this group long ago!
I have a G11, first time using it after Scott upgraded to OPW, new motors, and spring-loaded. I have great balance on Dec and RA, but even when I bias towards the east (while looking east), the guide still attempts to guide east. What gives? I did wait some time before using it after getting the upgrade, but it has spent its time at room temp- Unless the couple hotter days it spent under a canvas between imaging in the mountains could've forced some change??
-- Brian?
Brian Valente portfolio
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Re: Guiding east even while east heavy
Ok.... It actually could be the hot weather!? When very hot, the internal backup battery can lose voltage and lose some or all of the Gemini1 settings.??
I suggest these steps:
Remove and measure your internal battery voltage and if under say 2.95 V, replace the battery.
Removing the battery or replacing it will force the Gemini1 into CMOS reset soon as you reboot.?
Then enter your Latitude, Longitude, UTC time.? The entries have to follow certain format:
Latitude and longitude are in the format Degree.minute.second ?(the dots are European format where they mean "," (that is a comma) not meaning decimal points as in USA interpretation.? )
UTC time is entered as: UTC date/time for: Feb 21, 2018 03:45:28 Gemini UTC display looks like this: (yymm.dd: hh.mm.ss):? 1802.21 03:45:28
Be sure also to set the mount type to "G11", as Gemini1 defaults to "Titan" that moves in the opposite?direction as the G11.? (I'll bet your G1 shows as a "Titan" mount and this would explain the reverse RA clocking movement.)
Best of luck, Michael
On Sat, Sep 14, 2019, 3:02 PM < jn681@...> wrote: Should have joined this group long ago!
I have a G11, first time using it after Scott upgraded to OPW, new motors, and spring-loaded. I have great balance on Dec and RA, but even when I bias towards the east (while looking east), the guide still attempts to guide east. What gives? I did wait some time before using it after getting the upgrade, but it has spent its time at room temp- Unless the couple hotter days it spent under a canvas between imaging in the mountains could've forced some change??
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Hi Greg But WHAT are you trying to do?
Using it ¡°with your home network¡± is pretty vague.
Why does it need to be on your home network?
If you want to connect to the telescope wirelessly with your computer running Stelarium, the tp-link does not need to be on your home network.?
It takes about 30 seconds to plug the tp-link into your Gemini and power on. Maybe another minute to connect computer wifi to the tp-link hotspot and change stellarium ¡°mount ip address¡± to that of your Gemini. Seriously, it just works.
Randy
On Saturday, September 14, 2019, 3:04 PM, Greg via Groups.Io <gregmorris425@...> wrote: Thanks? Randy. I was told it needed to be configured in client mode so that I could use it as you described with my gemini 2 and my home network . I was going to let my nephew try it with stellarium. If I take it somewhere that there is no wifi I'm told I could configure it in AP mode and use my phone as a hotspot for it.
Greg
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Thanks? Randy. I was told it needed to be configured in client mode so that I could use it as you described with my gemini 2 and my home network . I was going to let my nephew try it with stellarium. If I take it somewhere that there is no wifi I'm told I could configure it in AP mode and use my phone as a hotspot for it.
Greg
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Guiding east even while east heavy
Should have joined this group long ago!
I have a G11, first time using it after Scott upgraded to OPW, new motors, and spring-loaded. I have great balance on Dec and RA, but even when I bias towards the east (while looking east), the guide still attempts to guide east. What gives? I did wait some time before using it after getting the upgrade, but it has spent its time at room temp- Unless the couple hotter days it spent under a canvas between imaging in the mountains could've forced some change??
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Okay i understand that. But what setup is he trying to accomplish? By default its an access point. If you suspect its configured differently, hit the reset button. Access points are like an extension cord, nothing to configure, just plug it in.
However these tp-link units can be used for orher purposes but nothing that i can think of makes sense plugged into a Gemini. There is also a router mode, a repeater/client mode and a bridge mode. These require setup.
What is the goal of using the tp-link?
Randy
On Saturday, September 14, 2019, 2:30 PM, Brian Valente <bvalente@...> wrote: The thing he's trying to make work is the basic setup as per instructions, so it should do what it says
i agree it's not necessary in the long run, but it would be nice to know it works when you go through the mfgs documented setup On Sat, Sep 14, 2019 at 2:24 PM Randy Pufahl via Groups.Io <rpufahl= [email protected]> wrote: Greg
i have the same tp-link unit that i use with my Gemini II mount. It should not require any setup because it broadcasts the ip address of what it is connected to by the ethernet cable.
plug your to-link ethernet into the gemini. You can also plug in the usb cable too for power (only).
the tp-link broadcasts your Gemini ip address. From your computer, join the tp-link wifi ¡°hotspot¡±.
if you are using something like sky safari (which is what i use on an ipad), enter you Gemini ip address into sky safari¡¯s mount settings.? Hit connect ?(in sky safari) and sky safari will display scopes location and be able to control the scope (goto for example).
I am not sure what you are trying to accomplish. If you elaborate i may be able to help with that.
FWIW, with the tp-link plugged into your computer, it is acting as an access point for your computer (thats what it does to whatever it is plugged into, by default). So i suspect the unreachable host is the computer its plugged into (and your computer is not setup as a router so its ¡°unreachable¡±). Its confusing debug because the tp-link, as an access point is just a middle-man.
hope this helps
randy
-- Brian?
Brian Valente portfolio
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The thing he's trying to make work is the basic setup as per instructions, so it should do what it says
i agree it's not necessary in the long run, but it would be nice to know it works when you go through the mfgs documented setup
On Sat, Sep 14, 2019 at 2:24 PM Randy Pufahl via Groups.Io <rpufahl= [email protected]> wrote: Greg
i have the same tp-link unit that i use with my Gemini II mount. It should not require any setup because it broadcasts the ip address of what it is connected to by the ethernet cable.
plug your to-link ethernet into the gemini. You can also plug in the usb cable too for power (only).
the tp-link broadcasts your Gemini ip address. From your computer, join the tp-link wifi ¡°hotspot¡±.
if you are using something like sky safari (which is what i use on an ipad), enter you Gemini ip address into sky safari¡¯s mount settings.? Hit connect ?(in sky safari) and sky safari will display scopes location and be able to control the scope (goto for example).
I am not sure what you are trying to accomplish. If you elaborate i may be able to help with that.
FWIW, with the tp-link plugged into your computer, it is acting as an access point for your computer (thats what it does to whatever it is plugged into, by default). So i suspect the unreachable host is the computer its plugged into (and your computer is not setup as a router so its ¡°unreachable¡±). Its confusing debug because the tp-link, as an access point is just a middle-man.
hope this helps
randy
-- Brian?
Brian Valente portfolio
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Greg
i have the same tp-link unit that i use with my Gemini II mount. It should not require any setup because it broadcasts the ip address of what it is connected to by the ethernet cable.
plug your to-link ethernet into the gemini. You can also plug in the usb cable too for power (only).
the tp-link broadcasts your Gemini ip address. From your computer, join the tp-link wifi ¡°hotspot¡±.
if you are using something like sky safari (which is what i use on an ipad), enter you Gemini ip address into sky safari¡¯s mount settings. ?Hit connect ?(in sky safari) and sky safari will display scopes location and be able to control the scope (goto for example).
I am not sure what you are trying to accomplish. If you elaborate i may be able to help with that.
FWIW, with the tp-link plugged into your computer, it is acting as an access point for your computer (thats what it does to whatever it is plugged into, by default). So i suspect the unreachable host is the computer its plugged into (and your computer is not setup as a router so its ¡°unreachable¡±). Its confusing debug because the tp-link, as an access point is just a middle-man.
hope this helps
randy
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Greg when you connect to the TP Link on your laptop, make sure you aren't also connected to your home network via wifi. turn wifi off on your computer. It's just for now to hunt this down
On Sat, Sep 14, 2019 at 1:38 PM Les Niles < les@...> wrote:
It sounds like the TP-Link is reachable, but I don't understand
the part about 192.168.1.26.? Where did that come from?? Could you
copy/paste the command and its output, or take a photo of the
command window contents, and post that?
-Les
On 9/14/19 12:11, Greg via Groups.Io
wrote:
Ok I got pinging 192.168.0.254 with 32 bytes of data. It did it 4
times but it said reply from : destination host
unreachable
?Ping statistics for 192.168.0.254
?Packets sent =4, recieved =4 ,lost =0
-- Brian?
Brian Valente portfolio
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It sounds like the TP-Link is reachable, but I don't understand
the part about 192.168.1.26.? Where did that come from?? Could you
copy/paste the command and its output, or take a photo of the
command window contents, and post that?
-Les
On 9/14/19 12:11, Greg via Groups.Io
wrote:
toggle quoted message
Show quoted text
Ok I got pinging 192.168.0.254 with 32 bytes of data. It did it 4
times but it said reply from 192.168.1.26: destination host
unreachable
?Ping statistics for 192.168.0.254
?Packets sent =4, recieved =4 ,lost =0
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Ok I got pinging 192.168.0.254 with 32 bytes of data. It did it 4 times but it said reply from 192.168.1.26: destination host unreachable
?Ping statistics for 192.168.0.254
?Packets sent =4, recieved =4 ,lost =0
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Les I'll give that a try when I get home. Thanks.
Greg.
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What is the IP address of the laptop (the ethernet interface, not
the wifi)?? It needs to be on the same subnet as the TP-Link -- in
this, the first three octets of the IP should be 192.168.0.
Try this: With the laptop connected to the TP-Link with the
ethernet cable, and the laptop's wifi turned off, open a command
window and run "ping 192.168.0.254".? What is the output?? If you
get four lines of something like "64 bytes from 192.168.0.254
icmp_seq=0 ttl=64 time=3.579 ms" then the network communication is
working.? If you get "no route to host" then the laptop is not on
the right subnet -- you need to reconfigure its IP address.? If
you get "Request timeout" then the address is correct but the
devices are not communicating, or maybe the TP-Link is really on
192.168.0.254.
-Les
On 9/14/19 7:11, Greg via Groups.Io
wrote:
toggle quoted message
Show quoted text
Brian I tried 2 other ethernet cables I have that all are good.
Same results. I let windows do a network diagnostic and it said
the device on 192.168.0.254 was not communicating. I'm connecting
it to the laptop by ethernet with the laptop not connected to any
network. Then I turned power on to the tp link. I have also tried
doing it the same way except I had the laptop connected to my home
network. Same results. I had planned on getting another to setup
on AP mode and 2 with the other in client mode.? I think I'll go
ahead and order the other just to make sure the one I have is
working correctly. I wish I new someone locally that could lay
hands on this thing!
Greg
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Brian I tried 2 other ethernet cables I have that all are good. Same results. I let windows do a network diagnostic and it said the device on 192.168.0.254 was not communicating. I'm connecting it to the laptop by ethernet with the laptop not connected to any network. Then I turned power on to the tp link. I have also tried doing it the same way except I had the laptop connected to my home network. Same results. I had planned on getting another to setup on AP mode and 2 with the other in client mode.? I think I'll go ahead and order the other just to make sure the one I have is working correctly. I wish I new someone locally that could lay hands on this thing!
Greg
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Michael Herman
Greg