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mapstar

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Everything posted by mapstar

  1. mapstar
    Hope you didn't forget to factor in the cost of the shell and also a secondary too which I'll be ordering myself as soon as my blank is looking like going away for coating. Will be posting about the triple scope build and mirror grind when I get chance although it all seem's to be bed, work, grinding and scope building at present.
  2. mapstar
    Mine is going very slowly too Crash. I first did centre through centre with the 11" tool although the back was going concave and the casting ripples around the edge weren't disappearing. I've done some chordal grinding to bring the edge down with a smaller tool (actually the grinding stone).But now I need to work with chordal strokes nearer the centre as I'm getting a turned edge
  3. mapstar
    Excellent write up and the beginnings are there. I'll be adding my own thread very soon as I've now found a decent sub diameter tool. Will hopefully start later today after some more on the mirror cell for another scope.See how things go ;-)
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