Tangent TAD Drive. Alt-AZ compputer drive for your dob. Price includes computer box,hand control, two pairs of 3750:1 stepper motors and instructions. This is an ATM project, you must fabricate
rollers for the ALT and drive gearing for the AZ. The instrucitons include some ideas/diagrams to do so. I have used this system on my 32" for 6 yrs. w/ great success. I have changed to the SC goto, hence the reason for selling.
Two systems available--wired hand control,Computer,motors $250.00
wireless hand control,Computer,motors $300.00
Plus shipping on either.
Contact me w/ questions