Hi If you are shaking small stuff at low frequencies, a long throw low frequency speaker can do a pretty good job as a shaker. You can "eyeball" calibrate to a reasonable (<10%) level of accuracy.
Bob -----Original Message----- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Magnus Danielson Sent: Monday, September 14, 2009 4:59 PM To: j...@quik.com; Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Fundamental limits on performance J. Forster wrote: > I've watched a brassboard of a spacecraft payload I was building on a > shake table. It just weird to watch screws backing out of holes as if by > magic, components dancing, and plates oilcanning. > > A real education! Now, that's why I want one for myself... if I had the space and money. However, it's about acoustics and mechanical design, and I am not totally clueless on those issues, just not done any *real* work. Cheers, Magnus _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
