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Frodo - a 10 inch travel Dobson10 inch, f/4.8 newtonian |
 
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Telescope MakingWeb Ring |
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optics hogging out smoothing the curve polishing foucault tester figuring silvering |
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mechanics mirror cell wire spider focuser middle ring rocker box |
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features! |
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| - air travel and couch potato compatible - small dimensions, yet full viewing comfort
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| - rotating OTA - always a comfortable viewing position (yes, I’m going on forty…)
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| - wire spider plus secondary heating - lord of the strings, if the seeing is bad yet again, I can play the lyra instead…
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| - self made 2 inch Crayford focuser - the ATM equivalent of the ugly stick
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| - 6 point wood/aluminium mirror cell with roller skate bearing pivots for reduced stiction (was "glued aluminium cell) - it did not work out
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| - independent two axis collimation of main mirror and secondary - collimation for the intellectually challenged
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| - “true” Serrurier truss configuration – don’t I love over-engineering…
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© 2005 by Andreas Derwahl • contact