Re: [ATM] Types of aluminum

[John Lynch <john_p_lynch2004@yahoo.com>]

Gary,

I've consistently used T6061, which is a good workable
aluminum alloy.  It can be drilled and tapped easily,
machined, and hand-filed to just about any shape you
want.  Also, it's pretty inexpensive but the per pound
cost I don't know off hand.  I've made finder
telescope
mounting brackets with this stuff, as well as an
adapter
plate for my Byers drive to attach to my equatorial
mount.  My brother-in-law machined some nice aluminum
end rings for my telescope tube with this material.  
If you need a source, let me know and I can provide a
URL.

Regards,

John Lynch



	
		
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