Re: SEC: UNCLASSIFIED:- [ATM] Can a Trilateral Dob becomputerOperated?

["Mel Bartels" <mbartels@bbastrodesigns.com>]

> Just off the top of my head, the tolerances on concentricity may not be
> that tight.  I may well be wrong here, but I think the main effect would
> be a sort of wedging that would push the scope up and down as it
> rotates.  Probably doesn't cause much angular error.
>
> Anybody else have a clearer thought on this?


The variation in altitude rims is as great as impact as any de-centering. 
So, just build to normal good 1/32 inch tolerance, and you'll be fine.  That 
error calculates to a few arcminutes in most situations

Mel Bartels 

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