I hear you but if you are worried about those values , you would not have a mirror/lense made out of glass? would you not
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Sorry its not a perfect world we live in , in more ways than one , CF is still sexy , and a good tube material .
Brian.
Quote:
Originally Posted by clive milne
Brian, when you take in to account the surface area of the OTA, the emissivity and R values of the respective materials, the difference in cool down times of CF versus steel is measured in minutes.
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