ASTRO-PHYSICS 1100GTO German Equatorial Mount with GTOCP4 Control Box Auto-Adjusting Motor/Gearboxes
Your choice of three models:
1100GTO German Equatorial Mount (1100GTO)
1100GTO German Equatorial Mount with Absolute Encoders (1100GTO-AE)
1100GTO German Equatorial Mount with Extended Temperature Range Encoders (1100GTO-AEL)
To order select the options below and at checkout select payment by check. This will enter you in the waiting list. We will send you an invoice for 50% deposit when your number comes up in the waiting list. At this time we are not able to give estimated shipping dates for customers in the waiting list.
Mechanical Specifications
Construction All CNC machined aluminum bar stock, stainless steel, brass; stainless steel fasteners
Finishing and Assembly Every part is hand-finished and inspected. All assembly is done by hand, by highly skilled mount assembly staff.
Worm wheel - R.A. & Dec. 7.2" (183 mm), 225 tooth aluminum
Worm gear - R.A. & Dec. 0.71" (18 mm) diameter special low-wear alloy
Axis shaft - R.A. & Dec. 3.15" (80 mm) diameter
Shaft axis bearings - R.A. & Dec. 3.94" (100 mm) diameter
Latitude range 0 to 78 degrees
Azimuth adjustment Approximately 18 degrees (+/- 9 degrees from center)
Counterweight shaft 1.875" (47.6 mm) diameter x 16.5" (419 mm) usable length, incl. large machined safety stop knob.
Optional 8.675" (220 mm) shaft extension available.
Weight of mount Total: 57.6 lb. (26.2 kg) R.A. axis/polar fork: 27.6 lb. (12.5 kg) Dec. axis: 15.6 lb. (7.1 kg) Dec. top plate 1.5 lb. (0.7 kg)
Counterweight shaft: 13 lb. (5.9 kg)
Capacity Approximately 110 lb. (50 kg) of scope and accessories, depending on length.
Recommended for refractors up to 200 mm, 14-16" Cassegrains, Ritchey-Chretiens and CDKs. These are only guidelines. Some telescopes are very long for their weight or heavy for their size and will require a larger mount. Remember also that imaging requirements are more rigid than visual observation.
Maximum capacity may require the use of the 9" extension (M12675) Instrument mounting interface Refer to list of suitable mounting plates below Pier adapter base diameter 7.730" (196.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.
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