Hi Bruce: Thanks for the MDA Technology link. I didn't know that Beryllium was used to make mirrors and their metering structures for space apps. It sure sounds like the best material for that use. I'd bet that's how spy sat mirrors are made.
Have Fun, Brooke Clarke http://www.prc68.com Bruce Griffiths wrote: > Bruce Griffiths wrote: >> Poul-Henning Kamp wrote: >> >>> In message <[email protected]>, Magnus Danielson writes: >>> >>> >>> >>>> I have encountered Beryllium in a field none of you mentioned, as >>>> material for speaker cones. Light and very rigid. Perfect for the top >>>> driver for horns. I recall something about high speed of sound. >>>> >>>> >>> It is also used for mirrors for certain, usually classified, >>> applications. >>> >>> >>> >> One unclassified application is the 1.12m diameter secondary mirrors of >> ESO's 4 VLT telescopes in Chile. >> >> >> Bruce >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > For additional applications in some classified and unclassified programs: > > http://www.mdatechnology.net/techprofile.aspx?id=175 > > An application for breyllium mirrors at CERN: > http://cdsweb.cern.ch/record/944244?ln=no > > Bruce > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
