Re: How much counterweight?
Hi Jim, I had an 8" EdgeHD, round stars with an EdgeHD OTA are standard equipment. That's certainly going to be a nice setup, a bit long for my favorite subjects without the reducer and a full frame
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Chip Louie
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#59605
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Re: How much counterweight?
Sold a CPC1100 and CGEM to put toward a G-11 and 11" Edge HD. Still hope to gather the same amount of photons, just expect to get rounder stars. Jim
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Jim Ribble
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#59604
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Re: G11 noise from gearbox's
Hi John, The newer Losmandy gearboxes have bronze bushings on the axles so a drop of light machine oil on the visible bushing the best lubricant for this use. As far as a lubricant for the worm wheels
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Chip Louie
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#59603
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Re: How much counterweight?
Hi Jim, Oh, tell us what you bought so I can live vicariously! I'm broke now, between the last kid in college and a tax return surprise I did not anticipate my astro spending has to be curtailed for
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Chip Louie
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#59602
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Re: G11 noise from gearbox's
I have found that the bushings tend to dry out.? I usually just open the gearbox and take some the grease from the gears(there should be plenty) and apply to the bushings and gear shafts. Jeff
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Jeff Cymmer <jcymm@...>
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#59601
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G11 noise from gearbox's
Hi I have a G11 with Gemini 2, which is about for years old. The drive motors/gearboxes have always made some noise when slewing, but they appear to be coming noisier. A friend suggested that I may
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John Fathers
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#59600
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Re: How much counterweight?
Thanks Chip. With luck, I made the correct guesstimate on my counterweight requirements. Now if my back-ordered setup will just get here, I'll enjoy an early Christmas! Jim
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Jim Ribble
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#59599
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Re: How much counterweight?
Hi Jim, The drawing and calculation method doesn't include the not insignificant weight of the counter weight shaft. so having too much weight is a possibility. I find that if I know the weight of the
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Chip Louie
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#59598
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Re: Just purchased GM811GHD
Bill, I had a 1992 Meade LX200 Standard Field Tripod and attached the to it using 2-3 1/4-20 cap bolts into drilled tapped holes and backed up by the 1/2"-13 threaded spreader rod. I had also done
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Chip Louie
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#59597
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Re: Just purchased GM811GHD
Chip, "Based on these combinations there is no comparison when used in the real world, the LWT with the legs fully extended is much more stable than using the LWT with the 12" extension and the legs
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Bill Krosney
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#59596
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Re: How much counterweight?
Thanks Chip. I guess the best course is just to get everything assembled, and use the old trial-and-error method. I placed the order to include an extra 21 pound weight, but if it's too much heft, I
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Jim Ribble
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#59595
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Re: How much counterweight?
Thanks Wes. Actually, I think it does help. I think it suggests that I'm in the ballpark with 42 pounds for my configuration. Much appreciated. Jim
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Jim Ribble
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#59594
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Re: How much counterweight?
Hi Jim, It's not that hard to follow, just make a drawing as shown on the page but you really need to have all of the payload in hand and assembled or at lease mocked up as it is going to be used.
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Chip Louie
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#59593
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Re: How much counterweight?
Jim R I just assembled my G11GT. I have about 25 lbs with the telescope and binoviewer and finder. The 21 lb weight is about 2/3 the way from the mount to the end of the CW shaft. Don't know if this
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wes Bolin <k5apl41@...>
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#59592
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Re: Just purchased GM811GHD
Hi Bill, I have both GM8 and G11G mounts and use them both on top of a Losmandy folding LW tripod, the non-folding Losmandy HD tripod with extendable legs and a Losmandy MA fastened to an original
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Chip Louie
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#59591
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How much counterweight?
I'm about to spring for a G-11 goto mount and plan to have about 45 pounds of gear (scope, guidescope, cameras) on the equipment side. I've read Robin Casady's page on counterweight calcs but it makes
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Jim Ribble
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#59590
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Re: ST-4 port guiding ? Pulse guiding down temporarily G11 Gemini I
Well it worked fine last night,,no serial connection just hand controller,,,, I'll check other menus when I get serial port working properly Thanks
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Greg Kaiser
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#59589
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Re: Just purchased GM811GHD
Chip & others... Your comment in your response to Taylor, specifically... "A tripod is always more stable with the legs extended when compared to tripod with a pier extension added at the same height.
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Bill Krosney
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#59588
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Re: Just purchased GM811GHD
For me the ability to separate RA and DEC into sections that I can carry up and down stairs is the biggest advantage of the RAEX option. If it is only used to separate the DEC about an inch more from
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David Pickett
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#59587
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Re: How much disassembly for cleaning
My progress report: G-11 cleaned up beautifully using WD-40 for needle bearings followed up with 91% isopropyl alcohol. The GEM is dated 2009 by Losmandy from the serial number. I had an immediate
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David Roberts
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#59586
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