Do 6" dobsonians need a cooling fan for the primary mirror?
6" Dobsonians
Started by sawsatch, 11/13/2014 04:27AM
Posted 11/13/2014 04:27AM
Opening Post
Posted 11/13/2014 10:32AM
#1
I would say "no" unless it is of unusual thickness. Most older 6-inch mirrors are still at an inch or less in thickness and, really, they cool quickly for their size.
You get into some of those Starhopper newts and the primary mirrors are virtually streamlined they are so thin!
Best all!
You get into some of those Starhopper newts and the primary mirrors are virtually streamlined they are so thin!
Best all!
Just a few thoughts:
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