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| Subject: | LF: Re: LF: Re: LF: ULF experiment: A MEchanical Based Antenna |
| From: | John Rabson <[email protected]> |
| Date: | Wed, 21 Dec 2016 16:41:48 +0100 |
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Alexanderson generators were built for frequencies up to 100 kHz and did not display a tendency to fly apart. For background information on the 17.2 kHz installation see CREGJ 96. John F5VLF > On 21 Dec 2016, at 13:54, Martin Evans <[email protected]> wrote: > > > Ah yes- of course Andy. > > Better stand well back when I try it then! > > Martin GW3UCJ. > > > > >> 8000 * 60 = 480000 RPM >> >> 'jnt >> >> >> On 21 December 2016 at 12:42, Martin Evans <[email protected]> >> wrote: >> >> Forgive me for asking what may be quite obvious to many - but does this mean >> that if I spun a magnet at 8000rpm then I would generate a 8kHz radio >> signal, identical in every way to an 8kHz signal generated in a more >> conventional manner? >> >> If so, it sounds a lot easier than winding all that wire.....until the >> magnet flew apart anyway! >> >> Martin GW3UCJ Swansea. >> >>> >>> ever heard of a "A MEchanical Based Antenna" ? >>> >>> Me neither until today ;-) >>> >>> 73, Rik ON7YD - OR7T >>> >>> >> >> > [email protected] Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER and ROBSONNE |
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