Re: [ATM] Berry out of date?

["B. Bainbridge" <brianb@u.washington.edu>]

As well, the extra weight of the small six inch scope can be good since it 
may improve the altitude movement of the scope. If it's too light, there 
won't be enough friction to keep the scope from moving all the time.


On Mon, 8 May 2006, Bob May wrote:

> Depends upon what you call good woodworking skills.  I sometimes
> do furniture grade woodworking with all of the tendons dovetails
> and other fancy work.  Richard's work isn't in that catagory but
> you will build a decent scope if you follow what he says.  You
> can build a lot lighter if desired but then you have to start
> thinking more about the strength of the joints and make sure that
> they are as strong or stronger than what Richard shows.
> I'll note that there is no really "standard" way of building a
> Dob scope as John Dobson didn't make all of his scopes with only
> one pattern but rather with the stuff he had at hand.  He did
> mostly use concrete form tubes because they are a cheap source of
> tubes but he could have just as easily done the tube with
> something else, even building up the tube from strips of wood.
> Go do what you feel is best for you and remember that the tube is
> something that can be easily replaced in the future if things
> don't work out with your first try.
> Bob May
> bobmay at nethere.com
> http: slash /nav.to slash bobmay
> http: slash /bobmay dot astronomy.net
> Replace the obvious words with the proper character.
>
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