Quote:
Originally Posted by nightstalker
Planning your next one already Ed ?  |
No!....But if I were to build something that big it will have to be a Nasmyth.
Quote:
Originally Posted by Ian Robinson
George Levanis (in Newcastle) was thinking of doing one several years ago (using a pre-sagged ultrathin blank).
Not sure if he ever got that project going , as he was still tinkering with his 32" dob with an ultra thin mirror , I think he had issues with his mirror flotation at the time.
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He has already built the telescope and is finishing the optics.
Details...48"f8 folded Herschelian telescope.
1.2m octagon aluminium primary mirror,
600mm aluminium secondary
and a 7" (178mm) tertiary.
Quote:
Originally Posted by Ian Robinson
Is that George Levanis (in Newcastle) you refer too ?
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Yes.