Celestron Ultima 8 Instruction Manual page 103

Mechanical Specifications
AZM Drive System
Tracking Motor
Slewing Motor
ALT Drive System
Tracking Motor
Slewing Motor
AZM Tracking Gear
Number of Teeth
Type
Pitch Diameter
Final Gear Ratio
ALT Tracking Gear
Number of Teeth
Type
Pitch Diameter
Final Gear Ratio
AZM Slewing Gear
Number of Teeth
Type
Pitch Diameter
Final Gear Ratio
ALT Slewing Gear
Number of Teeth
Type
Pitch Diameter
Final Gear Ratio
Time for AZM worm to rotate one revolution at
sidereal rate.
Altitude Encoder
Resolution
Enhanced Encoder Resolution (EER)
Azimuth Encoder
Resolution
Enhanced Encoder Resolution (EER)
Maximum Weight Capacity
Weight of Telescope
Weight of Tripod
Appendix C - Technical Specifications
3-speed DC-Servo
2-Speed DC
3-Speed DC-Servo
2-Speed DC
266 teeth
48 pitch - Helical / Worm
5.535 inches
665,000:1
241 teeth
48 pitch - Helical / Worm
5.021 inches
602,500:1
288 teeth
48 pitch
6.00 inches
2000:1
240 teeth
48 pitch
5.00 inches
1663:1
5.41 minutes This only applies when the telescope is set to EQ
NORTH under the TRACKING option within the SETUP menu
8192 counts per 360º
~ 2.5 arc-minutes
65536 counts per 360º ~ 19 arc-seconds
8192 counts per 360º
~2.5 arc-minutes
65536 counts per 360º ~ 19 arc-seconds
25 Lbs.
31 Lbs.
19 Lbs.
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