[ARC5] Yamato
Bill Fuqua
wlfuqu00 at uky.edu
Fri Mar 23 20:12:27 EDT 2012
Sorry to say it is hotter than a firecracker on the 4th of July as my
father would say.
Most paints used radium 226 because the others had too short of half life.
Besides alpha particles it emits 186 keV gamma rays which can penetrate the
skin.
Here is a quote from
http://www.orau.org/ptp/collection/radioluminescent/radioluminescentinfo.htm
"Over time, the intensity of the glow from the paint will decrease because
of the damage caused to the ZnS crystals by the alpha particles.
Since radium-226 has a 1600 year half life, its decay is not a
significant factor."
Since I work with a linear accelerator ( I should said worked, I just
retired) I did check it with our portable
detectors.
The problem is that the phosphor burns out after some time and it appears
to be harmless.
73
Bill wa4lav
At 06:26 PM 3/23/2012 -0400, Todd, KA1KAQ wrote:
>On Fri, Mar 23, 2012 at 1:15 PM, Kenneth G. Gordon <kgordon2006 at frontier.com
> > wrote:
>
> >
> > Well, from what I have seen, Japanese technology was what I would
> > consider a very curious mix of up-to-date, and very outdated technology.
> > For
> > instance, one of the links provided on this list some time ago lead to a
> > U.S.
> > Army intelligence report on Japanese radar. Information included mentioned
> > that their inter-deck cabling was extremely crude with no protection for
> > that
> > cabling, it simply being fed through holes in the deck. No "grommets" or
> > strain reliefs. Some of the cabling was in quite large bundles too.
> >
>
>
>That combined with the lack of emphasis placed on even using RADAR
>certainly shows why they were caught flat-footed a lot of the time after
>Pearl Harbor.
>
>
> > Wasn't that the "Musashi"?
> >
>
>Yep, that's the one. But it was sunk during the war too. The Nagato was the
>ship present at Bikini. Still took a pair of shots to sink her. Makes sense
>that Yamamoto's flagship for the Pearl Harbor attack would be a good symbol
>for atomic testing, but in hindsight - what a museum/war trophy to have
>available today.
>
>There probably wasn't a lot of appetite for having anything from the enemy
>preserved for the public at that point, particularly that ship. Kudos to
>the commies, they preserved one of the two Maus tanks that were fielded at
>the end of the war. Bet they have a lot of other goodies squirreled away
>still.
>
>~ Todd, KA1KAQ/4
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