Not only that, but by stamping them out you could go from producing one every other week or so to 1000 a day.
-Bob On Mon, Dec 20, 2010 at 5:07 PM, J. Forster <j...@quik.com> wrote: > Correxct, I believe. > > There is a little known story about the cavity magnetron: > > The one Tizzard brought over was machined out of a solid block of copper. > Copper is a horror to machine.... kinda like cheese. A machinist was > lucky to get any yield. > > It was brought to the Raytheon labs and Percy Spencer looked at it. The > next day he proposed to make them out of thin stampings, like the stator > of a DC moter, stacked up and furnace brazed. He also figured out a better > way to make the internal straps. The outcome was an easily produced > maggie, which also produced much higher power. > > Best, > > -John > > ================ > > > > I believe the klystrons came from the Varian brothers in California, but > > England sent us their multi-cavity magnetrons via Tizzard. Both were > > essential. We gave them the duplexer. > > > > John WA4WDL > > > > -------------------------------------------------- > > From: "Lee Reynolds" <kd...@spamcop.net> > > Sent: Monday, December 20, 2010 6:54 PM > > To: <time-nuts@febo.com> > > Subject: [time-nuts] RADAR > > > >> Hm, I suspect, Rob, much though it might distress national pride, that > >> RADAR > >> a la WWII has probably to qualify as an Anglo American product. > >> > >> The Cousins did, after all, send us those nice klystrons they managed to > >> get > >> up and running. Would've been a bugger to do it without those. > >> > >> Mind you, there was quite a bit done by a number of countries in getting > >> the > >> idea, basic tech and proof of concept going before long before that. > >> > >> Do like those old HOME CHAIN towers you see spotted around here and > >> there, > >> though. > >> > >> Anyone else have anything to add to this? > >> > >> Lee > >> > >> -----Original Message----- > >> > >> Date: Mon, 20 Dec 2010 21:51:15 -0000 > >> From: "Rob Kimberley" <r...@timing-consultants.com> > >> Subject: Re: [time-nuts] Loran? > >> To: "'Discussion of precise time and frequency measurement'" > >> <time-nuts@febo.com> > >> Message-ID: <004801cba090$069dc9d0$13d95d...@timing-consultants.com> > >> Content-Type: text/plain; charset="us-ascii" > >> > >> I there was me thinking that we invented RADAR...... > >> > >> Rob (in UK) Kimberley > >> -------------------------- > >> > >> > >> _______________________________________________ > >> 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.