Bill, I thought my "new age pseudo-science" comment would have been enough to make people understand it was humour.
Apologies for leaving the :-) off the bottom of the email! Jim 2009/7/9 WB6BNQ <wb6...@cox.net> > Jim, > > I totally disagree ! The "crystal orientations" thread has been most > informative, particularly with regard to the link showing the internals of > the hp > oscillator. A short section of the "plumbing" was helpful, although it got > a bit > out of hand. > > I think the point of the "Timenuts" list is to provide a medium for > discussion of > topics that help people improve their efforts at achieving higher precision > in > all facets of time keeping. All of the list members are not on the same > level > whether it is education, technical or even monetary ability. Thus, many > are here > for learning and to prevent poor choices and expensive mistakes from others > that > have gone before them. > > If you want to complain about something, then jump on Bruce for never > suggesting > what "transistor/opamp/comparator" part number would be most appropriate > for his > circuits. I go "nuts" time and time again over that small point because I > do not > have enough in-depth knowledge to fully make the appropriate choices. > Hmmmm, > maybe that is why it is called "Timenuts" list ? A place for Bruce to drive > you > "nuts" time and time again. > > Who would have thought ? > > Bill....WB6BNQ > > > The point being that > > Jim Palfreyman wrote: > > > All, > > > > Can you please follow John's instructions and stay on topic. > > > > All this new age pseudo-science talk of "crystal orientations" and "g > > sensitivity" does not belong in this group. > > > > Thank you. > > > > Jim > > > > 2009/7/9 Robert Atkinson <robert8...@yahoo.co.uk> > > > > > > > > Hi Antonio, > > > Have a look at http://www.realhamradio.com/GPS-oven-journey.htm for > > > internal pictures. > > > The crystal element is a disc mounted parallel to the flat end of the > can, > > > see http://www.bliley.com/index_088.htm > > > > > > Robert G8RPI. > > > > > > --- On Wed, 8/7/09, iov...@inwind.it <iov...@inwind.it> wrote: > > > > > > > From: iov...@inwind.it <iov...@inwind.it> > > > > Subject: Re: [time-nuts] 10811 crystal orientation > > > > To: "time-nuts" <time-nuts@febo.com> > > > > Date: Wednesday, 8 July, 2009, 7:01 PM > > > > Hi Chad, > > > > > > > > the sketch you sent seems to indirectly answer my question, > > > > as I could rely on the axis of minimum "g" sensitivity to > > > > orient my three 10811 assemblies, but for my purpose it > > > > seems that there is still a margin of ambiguity. I don't > > > > take from the sketch how the crystal is actually fitted > > > > (vertically?) into the case. As far as I know, "g" > > > > sensitivity depends mainly on how the crystal "weights" on > > > > its suspensions (contacts), and this is secondary for me. > > > > So, I would be pleased to know how the crystal is actually > > > > oriented, say regardless of the "g" sensitivity. > > > > > > > > Thanks. > > > > Antonio I8IOV > > > > > > > > > Hi Antonio, > > > > > > > > > > Please see the attached diagram from the 10811A > > > > service manual. Minimum and > > > > > maximum G-sensitivity axes are shown. Since the > > > > other variants of 10811 are > > > > > all internally constructed the same, I would not > > > > expect a difference for the > > > > > -60111. > > > > > > > > > > - Chad. > > > > > > > > > > > > > > > > > > > > On Wed, Jul 8, 2009 at 10:27 AM, iov...@inwind.it > > > > <iov...@inwind.it> > > > > wrote: > > > > > > > > > > > Dear all, > > > > > > > > > > > > does anybody out there know the orientation of > > > > the crystal faces relative > > > > > > to the outer case in a 10811-60111? > > > > > > > > > > > > (The sense of the question is that we are > > > > considering building a 3-axis > > > > > > apparatus for gravity-related tests. Note, based > > > > on our tentative > > > > > > modelization, crystals are not requested to work > > > > as accelerometers). > > > > > > > > > > > > Antonio I8IOV > > > > > > > > > > > > > > > > _______________________________________________ > > > > 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. > > > > > _______________________________________________ > > 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. > _______________________________________________ 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.