| polaraligned |
| (sage) |
| 07/06/09 07:35 PM |
Re: Thick mirrors
|
Quote:
thats what i do for a living.
So you should realize that 8x stiffer would only apply if you were comparing a 4" thick mono to a 2" thick mono. For any given cross section the I is going to be lower because it is ribbed not solid.