Home > Telescope Accessories > Motor Drives
Model: 20407Brand: Skywatcher
Generally In Stock, Please Confirm Before Ordering
Can be fitted to any of our telescopes supplied with the EQ2 equatorial mount. Provides multi-speed (1x/2x/4x) motor tracking of the R.A. axis. Battery-powered. Batteries not supplied.
excellent construction. I have yet to use it 'in anger' as there has been too much cloud.It works smoothly. I would not use at night until I had confirmed the operation in daylight. Note that the power requirement is 6v.Make sure that the driving gear engages at 7 o'clock on the mount gear. Initially, I had it at 2 o'clock and could not understand why there was not a full meshing of the teeth, and the clutch did not work.Roll on clear skies at night.
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A must have accessory to stop your target drifting off. You do need moderately good polar alignment to use this, which isn't that easy on the EQ2 (Don't believe the 'calibration' on the polar elevation scale). The battery container seems a little cheap, fragile and 'plasticy' - I don't know how long it will last. Cheap 12V mains power supplies are available from a certain bidding site if needed. The drive itself is excellent. Connecting the retaining spring that holds the motor in mesh is more than just a little fiddly and really requires 3 hands. Initially we had trouble with the drive seeming not to track after a short time. Checking in daylight revealed the motor kept jumping out of mesh, caused by damage to the edge of the drive gear (edge of one tooth bashed over into the next) on the EQ2 mount. We corrected this with a small modeling file, and now it works perfectly Checking the internet shows this isn't just confined to ours, and this was with the mount as supplied (not by RVO).Excellent service by RVO - supplied very quickly and cheaply.
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