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Stainlesssteve

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  1. Nice find there John, I was going to do something similar to my LX90, but went for the tracker for portability.
  2. So far I have had better results from the barn door than from my motorized EQ3-2 but still have a small wobble of about 10 arcsec from the joint between the motor and the studding.
  3. Did you get any juddering where the studding moves sideways across the cam?
  4. Mine is a bit different to the normal Barndoor but the geometry is type 3. https://picasaweb.google.com/lh/photo/eiHZFGkMQD4vNC7vRop7c9MTjNZETYmyPJy0liipFm0?feat=directlink 570mm hinge to slider 90mm hinge to CL of tube 620mm hinge to drive point
  5. Yes the 3d drawing does show a type 3,I used this type as errors in construction have less effect on tracking accuracy than a type 4.
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