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Equipment Discussions >> Mounts

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Ronny Floyd
Pooh-Bah
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Reged: 06/24/04

Loc: Chattanooga,Tennessee
Maximum weight for EQ3/CG4 ? new
      #4401359 - 02/21/11 11:23 AM

I would enjoy hearing just how much scope that you have successfully used on either a EQ3 or CG4 mount. These mounts are close enough to be called equal with the exception of the legs. I know that the Celestron CG4 comes with the better tripod than the alum legs offered on the Orion EQ3. My Orion EQ3 has been upgraded with solid oak legs and easily carries my 5" mak or my 90mm F/11 refractor along with the binoviewers. I would really like to try it with an 8" SCT, but no one in my area that I know of has one that I could test drive. I do know that the shorter SCT type scopes are more stable than a long focus refractor due to the length.

Thoughts ?????

Thanks,
Ronny


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Midnight Dan
Postmaster
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Reged: 01/23/08

Loc: Hilton, NY, Yellow Zone (Bortl...
Re: Maximum weight for EQ3/CG4 ? new [Re: Ronny Floyd]
      #4401585 - 02/21/11 01:16 PM

I've had an SV110 (f/7, 13 pounds + accessories) on an EQ3 and in my opinion that's too much scope for the mount. The load capacity is rated at 12 pounds so, loaded up I probably had it at about 15. It was fairly shaky with that load.

Personally, I think the EQ would be comfortable with an 80-100mm refractor or maybe up to a 6" SCT. I haven't tried my C8 on it, but I think that's probably a bit much. Don't know about the CG4.

-Dan


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Nippon
scholastic sledgehammer
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Reged: 10/22/09

Loc: Central Florida
Re: Maximum weight for EQ3/CG4 ? new [Re: Midnight Dan]
      #4420304 - 03/01/11 10:24 PM

I have a CG4. The newer one with the white finish, the 1.75" legs and the claim that it uses ball bearings in both axes. I have put my NexStar 8 SE OTA on it and it works, not great but okay. My N8SE tube just has the 1.25" diagonal and the red dot finder so it weighs about 12 to 12.5 pounds. The large diameter of the tube raises the center of gravity and causes the need to use both counter weights that came with it. I think they are 8 pounds an 4 pounds. Can't remember for sure. I use the mount mainly for my TV 85 and it is great for that. Bottom line I think it is usable with a C8 in a pinch for visual work.

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Trev
scholastic sledgehammer


Reged: 12/18/05

Loc: Fort McMurray, AB
Re: Maximum weight for EQ3/CG4 ? new [Re: Nippon]
      #4420674 - 03/02/11 03:44 AM

Celestron lists the new CG-4 at 20lbs. Don't know how accurate that is though.

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solshaker
Carpal Tunnel
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Reged: 06/06/06

Re: Maximum weight for EQ3/CG4 ? new [Re: Trev]
      #4421820 - 03/02/11 04:13 PM

ive mounted my 8" reflector on an orion astroview. yeah, it was shaky trying to focus, but once i did find focus it tracked along nicely.

pic


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t.r.
Post Laureate
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Reged: 02/14/08

Loc: Upstate NY
Re: Maximum weight for EQ3/CG4 ? new [Re: solshaker]
      #4423652 - 03/03/11 11:46 AM

My older Orion model has the lighter aluminum tripod which is the bane of these mounts. I have put as big as a WO Megrez 90, Tak Sky 90 and a C6 on it, each solo. I think I can squeeze on the C80ss at 2.5 pounds with the C6, thats the plan anyways...and the LIMIT I'd go!!!

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Ronny Floyd
Pooh-Bah
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Reged: 06/24/04

Loc: Chattanooga,Tennessee
Re: Maximum weight for EQ3/CG4 ? [Re: t.r.]
      #4423671 - 03/03/11 11:52 AM

Wow ! I had all but forgot about starting this thread cause it did'nt get any replies for days. Thanks for the replies guys ! BTW....this would mainly be used for visual only. I do a little web cam imaging with this mount but thats using the 5" mak which this mount handles easily.

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