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D2M Motor Drive Set

Discontinued August 2011

A dual-axis hand controller for GP2 or GPD2 mounts. Supplied with two MT-1 motors for the RA and DEC axes, the controller set enables the mount to automatically track celestial objects. The motors and controller can also be purchased separately. Optional manual operation clutches can be installed with the motors but these are not compatible with the Star Book S.

DD-2 Controller
Battery Box
MT-1 Motors

73752 MT-1 Motor
Weight: 350g (12.35oz)

73790 DD-2 Controller
Weight: 220g (7.76oz)

73828 Manual Operation Clutch
Weight: 91g (3.21oz)

73941 D2M Controller Set
Consisting of a DD-2 controller, two MT-1 motors and a battery box.


Specifications DD-2
Drive speed Sidereal rate, 1.5x, 2x and 32x, pause and reverse motions
Electricity consumption 0.8A (max.)
Voltage DC 7.5 to 12 volts
Batteries 8x D size batteries (not included)
Continuous operation duration About 20 hours at 20°C (68°F) with alkaline batteries
Operating temperature -10° to 50°C (14° to 122°F)
Compatible mounts* GP2, GPD2

*Also compatible with the following discontinued models: GP, GP-DX (GPD), GP-E