From: "Jim Miller" 
To: "Tom Krajci" ,
        
Reply-To: "Jim Miller" 


not exactly a compliant hinge but i'm using a soft plastic bumper between
my three screws on my secondary adjustment. one screw closest to the
focuser is used to create tension and is not used for adjustment. the other
two do the adjusting.

the bumper is in the middle under compression and seems to work well.

www.jtmiller.com

jtm

----- Original Message -----
From: "Tom Krajci" 
To: 
Sent: Tuesday, March 11, 2003 11:08 PM Subject: RE: ATM optic alignment problem



>From: "Kevin H Williams" 

>I am aligning the optics in my 6" dobsonian mount telescope and having
a
>problem, I am using an 8" sonotube

>I am using an L bracket mount for the secondary, I thought this was a
good
>option, but am having second thoughts

For other optics alignment issues I've previously recommended compliant
hinges...even a simple blob of RTV silicone...as mentioned by Richard
Schwartz.

Could that concept be applied for secondary mirror alignment?  Would RTV
silicone have strong enough resistance to constant tension as the compliant
hinge?  (Bond strength?  Tensile strength?)

Tom Krajci
Tashkent, Uzbekistan


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