Hi Jason I came across your thread on building an RC with 12"f6.6 Star Instruments 'budget' optics. I am in a similar situation waiting on 2 sets of 12" optics to be coated and delivered. I am building 2 OTAs for myself and a friend with a mixture of off-the-shelf parts and home built parts. They will have a carbon truss OTA with VSI spider and Robofocus 'hubcam'(which I now have). This massive secondary focuser assembly sits in a CNC milled 5/8" thick 16" dia Al-ring. I will use A-P 2.7" threaded fittings at the rear. All this will ride on my Paramount ME which sits in my observatory. I am interested in where you sourced the carbon tube. A sole local supplier here is very expensive. Cheers, Guy
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Re: My thread for building a 12.5" RC.
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