SPECIFICATION: R.A. / DEC. AXIS
- All machined aluminum and stainless steel, black anodized.
- All stainless steel hardware.
- One 2.100" diameter needle thrust bearing.
- One 2.000" diameter needle thrust bearing.
- Two 1.500" diameter needle bearings.
- 2.812" diameter, 7075 aluminum worm gear, 180 tooth.
- Dual supported, ball bearing housed stainless steel worm-heat treated and ground.
- Variable slip clutch, both axes. One knob design.
- 1.250" diameter aluminum shafts.
- Fully locking, unique tangent arm design altitude adjustment, 0-64 degrees, large knob for easy alignment.
- Laser engraved latitude scale in 2 degree increments.
- Single knob azimuth control, bi-directional +/- 8.5 degrees.
- 3.500" diameter laser engraved setting circles 6 minute R.A. / 2 degrees DEC. R.A. circle engraved for Northern and Southern Hemisphere.
- Porter slip ring design.
- 160 oz/in stepper motor, 1.0 arc sec. step.
- Spit Dovetail saddle-plate design. Accepts "D" series dovetail plates. Dovetail plate drops in and locks allowing for interchaning of any tube assembly, reducing the need for DEC weights.
- Removable stainless steel weight shaft w/safety knob.
- 7 lb counterweight.
- 11 lb and 21 lb. extra counterweights available.
- Through the axis polar scope, works in Northern and Southern hemisphere. Polar scope optional.
- Instrument weight capacity 30 lbs.
- Equatorial head weight 21 lbs.
DUAL-AXIS ELECTRONICS