Re: [ATM] Wire Spiders

[Mike Lockwood <melockwo@uiuc.edu>]

Chris,

CRayMUSEUM@aol.com wrote:
> I am putting together a 10" f/7.2 Newtonian from my own mirror and a 1/25  
> wave fused quartz diagonal. I am planning to use a PLOP type mirror support  
> cell.
> I would like to try to use wire spiders to hold the secondary. Any advice  on 
> type and thickness of wire, angles of geometry and tensioning devices? I'm  
> using a 12" aluminum main tube from Hastings Irrigation.

This has been discussed on the list periodically.  I recommend 
searching the archives for "wire spider" and other similar terms, and 
you will find quite a bit of information and discussion.

FYI, there are some photos of the wire spiders I have made on my web 
page.  All three of mine are still going strong.

	Mike Lockwood
	http://bi-staff.beckman.uiuc.edu/~melockwo/index.html

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