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Thanks Ray,
would you have any pics of what you've done?
I ran plop and a 3 point cell came up with pretty marked distortion, hence I'd decided on the 6 point cell with centre pivots.
I might either use wood or aluminium plate as the mirror bottom support. So if I use silicon, can it be removed or will it damage the mirror?
I'll give the matchstick spacers a go.
how long does it take to dry.
I was thinking of using three side supports with a 1mm pad to the mirror with a slight overhang of the side support which won't actually touch the mirror.
as for the secondary, how do you ensure that the major axis is perfectly centred with the axis of the holder?
if a heater strip is used for the secondary, will the heat affect the silicon bond?
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