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How about a simple truss tube design to reduce the weight of the OTA for use on a Equatorial mount. I saw a guy on Astromart under ATM parts advertising a Truss change over kit for people with sonotube dobs. Emailed him and its about 500USD without the aluminum tubes which he advises to get locally.
By the way how does one go about finding a good Wood worker in Australia, I came accross a forum once. Where someone had requested for a dob chair to be made for them and found someone to do it. I will dig out the link. I need someone like this who can make something up from drawings. I want to get a dob base made up similar to Rob's, to make it easier to motorize.
Regards
Fahim
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