Forget the RTV, I like to use Cheez-Whiz, straight from the can. Nice and
sticky, and very cheap...
>I'm going to reattach the 4.5" secondary mirror for the 12.5"
>Ritchey-Chretian. It looks like there were three cork pads, about 1.5" and
>these were glued to the back plate and the mirror was glued to these...I'm
>thinking that three buttons or RTV might be a better choice, about the same
>spacing but perhaps not quite as large...anyone have any thoughts on
>this? Might it be better to put a thin bead at the edge? More cork (which
>I suspect might have been stressing the mirror a bit)?
Received on Wed Mar 2 12:34:33 2005