Vixen- Dual Axis Motor Drive DD-3 Set

Includes DD-3 controller, two MT-1WT motors and a battery box. These are compatible with the current GP Mounts, Vixen Great Polaris, Great Polaris D2, and Great Polaris Economy German Equatorial Mounts and on telescopes using these mounts. It is also compatible with the optional MT-1 on older Super Polaris and Super Polaris DX mounts and scopes.
When controlled by the DD-3, the accuracy of the MT-1 motor drive is within +/0.005% of the sidereal rate. Powered by 8 user supplied D batteries, this will run for approximately 20 hours. An AC Adaptor #3599 is available as is an is optionl #3828 Manual Operation Clutch, recommended if manual turning on one or both axis is to be retained. Dual Axis Controller specs:

• Drive Speed: Sidereal rate, 1.5x, 2x, and 32x, pause and reverse motions
• Electricity Consumption: 0.8ampere (max)
• Voltage: DC 7.5 to 12 volts
• Batteries: 8 x D Batteries (Not Included)
• Continuous Operation Duration: About 20 hours with Alkaline Batteries
• Operation Temperature: 14° to 122°
• Applicable Mounts: GP2, GPD2, GP, GP=DX, GP-E
• Compatible with Item #8644 - Cigarette Lighter Plug Cord

The GPD2 equatorial mount is the stronger and heftier of the GP mounts. With it's solid steel R. A. and Declination axes and brass worm gears this mount will hold up to years of heavy use. In order to assure accurate tracking for astrophotography the worm, gears are especially machined to a very high precision that minimizes periodic error. The GPD2 holds almost 50% more weight than the GP2 and comes standard with tripod and counterweight. It is easy to use and functions well for both the visual observer and astrophotography. Motion is controlled by included control knobs for accurate slewing. The polar altitude adjustment varies from 0° to 62° in altitude.

MOUNT SPECIFICATIONS • 144 Tooth Brass Worm gear in RA and Dec machined to 1/2000mm of precision, Axes Made of Steel for Strength and Durability • Full Height Tripod operating range from 25.25" to 38.75" • Includes slow motion handles for easy tracking • Mount, Tripod and Counterweight Weight: 46.3 lbs • Mount Capacity: 50 Lbs • Includes 1-4.2 lb and 1-8.2 lb Counterweight • Includes Polar Axis Finder and Setting Circles • Universal GP Plate receiver allows many telescopes to mount • Optional: Drive Motors