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Home > Auctions > Astromart Auctions > Mounts, Drives, Tripods > Auction #20331

Losmandy GM-100 sn: 116 of 125 (very rare) Text updated
Auction No.: 20331
Started: 3/13/2018 6:06 PM
Ended: 3/16/2018 4:25:21 PM
Ending Bid: $810.00 Andy Sedlacek
Bids: 5 Bids [View History]
Payment: PayPal, Money Orders, Bank to Bank Wire Transfer, Cash
Hits: 437
 Details  Bid History  

I am selling my Losmandy GM-100 German Equatorial Mount. The Losmandy GM-100 is a rare mount made in very limited numbers (125, my mount is serial number 116) before production started on the G-11. Compared to the G-11 it has a larger saddle with two clamps, a greater load capacity of 75 pounds, and a zero backlash tangent arm drive for the DEC axis (great for imaging). It is a beautiful mount that works like a dream.
If you have never used a Losmandy mount, a key operational feature is the clutch system. Once you set the tension on each axis, you can reposition the scope with a gentle push, release, and the scope starts tracking automatically. You do not need lock and unlock the mount to move it. As you use the mount, it almost disappears.
Each axis is equipped with factory encoder for use with a digital setting circle computer (DSC).
The mount is clean, everything works well, tracks very precisely and is very stable. The tripod has a number of scratches and dings (does not affect operation).

? Rated to carry 75 lbs
? The mount head weighs 35 pounds
? Mount holds Losmandy D series plates
? The hand controller has several slewing and guiding speeds.
? Use a SBIG ST-4 (or st-4 compatible) for auto-guiding (cable not included).
? The mount has a tangent belt drive on the DEC axis. The advantage when you are imaging is, there is no backlash when you change directions.
? The counter weight bar is threaded. This has two advantages. The first is, it is almost impossible to have a weight just drop off the shaft. The second is that by spinning the weight you can make fine adjustments to balance the scope.
? The mount head has a very large D series saddle with two clamps.
? The RA motor is a newer unit from Losmandy, made in Switzerland.

The mount has several rare factory upgrades including:
? Encoders for digital setting circles. I am including my original "Sky Vector" from Lumicon and a more advanced "Sky Wizard Model 2" from Orion.
? High precision worm gear on RA

The following link contains quite a bit of information about the GM-100 mount:
The mount head (with heavy duty case), tripod, counter weights with bar weighs in at a hefty 128 LBS (without any packaging except for head). I would like to find a home in southern California for this GM-100. I am willing to deliver to any place in LA area or below to San Diego for $50 or you can pick up at my home in La Mesa (east of San Diego) for NO shipping costs.
If you need shipping (Not in So. Cal.) I will need to get an estimate from La Mesa to your location via UPS.
PayPal OK, I will take a bank check or cash. Checks need to clear before shipping or pickup.
Items Included:
DSC "Sky Vector" computer from Lumicon and a more advanced "Sky Wizard Model 2" from Orion. (both operational, including cables).
Adjustable tripod legs (33.5 inches from ground to top of yoke in retracted position and 48 inches with legs extended, add ~15 inches to height with head on tripod). My picture shown with legs extended. See Losmandy supplied promotional picture to estimate height with legs extended (great for long refractor).
The mount head with an extremely robust shipping/storage case.
The hand controller and cables
12VDC power cable to cigarette plug adapter
12VDC from AC adapter
12VDC adapter from 8 AA batteries (mounted on top of controller in Picture)
Several counter weights, I have three 10 pounders.
An adapter to mount head to a pier or Meade field tripod. The base is solid with a number of drilled holes and additional holes can be drilled to work with your pier (see pictures).

Please let me know if you have any question,
Thanks for looking, Ed


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