From: "Michael A. Terrell"
Subject: Re: Quickie Thermal Probe
Date: Sat, 14 Dec 2002 14:21:25 -0500
Organization: Have you seen my bench? No, really! Where is it?
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Mike Monett wrote:
> Michael A. Terrell wrote:
> > I know cold weather. I spent a year at the US Army's cold weather
> > test site at Ft. Greely in '73 & '74. It is at the bottom, between
> > mountain ranges with the cold air rolling down and a near 0% humidity.
> > The temperature was so low at times they wouldn't tell us at the radio
> > and TV station the exact temperature because they were afraid of causing
> > a panic. Those days all were were allowed to report was, "Be careful,
> > its cold out there today" Vehicles with battery blankets, lower
> > radiator heaters, dipstick heaters, and you still couldn't start some of
> > them. You were allocated 20A @120 VAC for the heaters, and you had to
> > put 10 weight oil in the transmission and rear end because the usually
> > 90 weight was so hard it didn't lubricate at all. It was like chucks of
> > hard plastic.
> > Michael A. Terrell
> > Central Florida
> Hah! You should have stayed there. It's better for your health - no
Not if you have respiratory problems. The cold dry air can kill you.
> My first post in the Air Force was Uplands, right here in Ottawa (closed
> down now.)
> The project planning was a little strange. All the inside work was in the
> summer. Try stringing intecom cables in hot dusty attics when it's 95 in
> the shade.
> To balance things, all the outdoor projects were in the winter. They
> wanted a microwave link in the middle of January. The tower was
> installed, and it was time to bring up the coax. I don't recall the
> designation, but it was big. Solid center conductor, maybe 1" dia.
> We formed a chain on the stairs with one guy up the mast, ready to plug
> the coax in. At the word Go, we all pushed coax as fast as we could. No
> luck. It froze solid on the way up, and the guy on top could not bend it
> to make the connection.
> Now, the problem is what do you do with 100 ft of stiff coax? It won't go
> back down the way it went up:)
Did you ever have to drive a ground rod through permafrost? Heat it
wit an acetylene torch, and drive it a few inches, pull it back out, and
repeat, all day long till you finally pierce the permafrost. If you
tried to just drive it in, it would just bend.
Michael A. Terrell