Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

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Cliff
 
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Default OT - Racetrack Playa for BottleBob


http://www.seismo.unr.edu/htdocs/stu...lley/pic08.jpg

http://www.geophysics.rice.edu/depar...2/P1010064.JPG
http://darkwing.uoregon.edu/~millerm/5Race-53A.jpeg
--
Cliff
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OrangeAl
 
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Default OT - Racetrack Playa for BottleBob

Cliff wrote:

http://www.seismo.unr.edu/htdocs/stu...lley/pic08.jpg

http://www.geophysics.rice.edu/depar...2/P1010064.JPG
http://darkwing.uoregon.edu/~millerm/5Race-53A.jpeg

Please pardon my stupidity/ignorance/nosiness but can you explain the
significance of these really interesting photos. Is this a bunch of
students with too much time on their hands messing around with rocks on
death valley and damaging a good race surface?
atb
orange_al
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Cliff
 
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Default OT - Racetrack Playa for BottleBob

On Wed, 11 Jan 2006 10:48:31 +0000, OrangeAl
wrote:

Cliff wrote:

http://www.seismo.unr.edu/htdocs/stu...lley/pic08.jpg

http://www.geophysics.rice.edu/depar...2/P1010064.JPG
http://darkwing.uoregon.edu/~millerm/5Race-53A.jpeg

Please pardon my stupidity/ignorance/nosiness but can you explain the
significance of these really interesting photos. Is this a bunch of
students with too much time on their hands messing around with rocks on
death valley and damaging a good race surface?
atb
orange_al


See ANY footprints?
--
Cliff
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PJ
 
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Default OT - Racetrack Playa for BottleBob


"OrangeAl" wrote in message ...
Cliff wrote:

http://www.seismo.unr.edu/htdocs/stu...lley/pic08.jpg

http://www.geophysics.rice.edu/depar...2/P1010064.JPG
http://darkwing.uoregon.edu/~millerm/5Race-53A.jpeg

Please pardon my stupidity/ignorance/nosiness but can you explain the significance of these really interesting
photos. Is this a bunch of students with too much time on their hands messing around with rocks on death valley and
damaging a good race surface?
atb
orange_al


Al: Check out this link....Paul

http://www.billandcori.com/deathvall...ving_rocks.htm


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Cliff
 
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Default OT - Racetrack Playa for BottleBob

On Sat, 14 Jan 2006 13:13:47 GMT, BottleBob
wrote:

OrangeAl wrote:



http://www.seismo.unr.edu/htdocs/stu...lley/pic08.jpg

http://www.geophysics.rice.edu/depar...2/P1010064.JPG
http://darkwing.uoregon.edu/~millerm/5Race-53A.jpeg


Please pardon my stupidity/ignorance/nosiness but can you explain the
significance of these really interesting photos. Is this a bunch of
students with too much time on their hands messing around with rocks on
death valley and damaging a good race surface?



Sounds suspiciously like the Death Valley equivalent of "Crop Circles"
to me.


I knew you'd like it VBG.

Parts of Death Valley


You could be there & look for yourself in about 3 hours, right?

(BTW, Rare personal note --- I was supposed to be a park ranger
per some old school aptitude test long ago GG.)

consist of a dry lake bed with something like
around 2" rainfall per year. Someone "might" be able to choose a
morning before a forecasted rainfall and load up their pick-up truck
with a water tank and a suitable rock. Then lay down a long narrow line
of water to soften the dry ground, turn around and straddle the softened
mud, drop the rock, and pull it with some rope creating the scrape marks
shown in the pics.


Pretty good prints, eh?

As soon as it rains, as per the forecast, it removes
any light tire tracks that may have been made in the dust but probably
isn't enough rain to remove the scrape marks... then Waala, OOOOOoooo
(insert Twilight Zone theme-song here), "A Mysterious Moving Rock" has
suddenly appeared. LMAO!


What does the lint think?
Examine pics well G.
--
Cliff


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Cliff
 
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Default OT - Racetrack Playa for BottleBob

On Sun, 15 Jan 2006 12:15:50 GMT, BottleBob
wrote:

Cliff wrote:

On Sat, 14 Jan 2006 13:13:47 GMT, BottleBob
wrote:


Sounds suspiciously like the Death Valley equivalent of "Crop Circles"
to me.


I knew you'd like it VBG.


Cliff:

Not much beyond a few minutes diversion.


consist of a dry lake bed with something like
around 2" rainfall per year. Someone "might" be able to choose a
morning before a forecasted rainfall and load up their pick-up truck
with a water tank and a suitable rock. Then lay down a long narrow line
of water to soften the dry ground, turn around and straddle the softened
mud, drop the rock, and pull it with some rope creating the scrape marks
shown in the pics.


Pretty good prints, eh?


It's a "dry lake bed", ever been on a dry lake bed? Some of them are
really "hard", not as hard as concrete but hard enough to not show much
in the way of prints beyond disturbing any loose dust on top.


Then the mud shown was dry when moved by the moving
rocks? But the movers left no tiretracks?
Why do you suppose that they call it a "lake bed"?

BTW, At least some of those rocks moved *uphill* it seems ...
--
Cliff
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