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The world's largest compass rose

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JackKeen 25 Jan 2008


http://en.wikipedia.org/wiki/Image:Jfader_dryden.jpg

"The world's largest compass rose, drawn on the desert floor at Edwards Air Force Base in California, United States. Painted on the playa near Dryden Flight Research Center, it is inclined to magnetic north and is used by pilots for calibrating heading indicators."

doesnt this suffer innacuracies as the magnetic declination varies?

so that they have to redraw it every so often?
 The Lemming 25 Jan 2008
In reply to JackKeen:

Doesn't really matter seeing as their smart bombs go where ever they please.
 Al Evans 25 Jan 2008
In reply to JackKeen: That is strange, I wonder if its a mistake in Wikipedia, If it pointed to True North they could allow for the changing declination?
 Bruce Hooker 25 Jan 2008
In reply to JackKeen:

They keep the rose fixed and just change the rest of the world to cater for magnetic changes.
JackKeen 25 Jan 2008
In reply to Al Evans:

or maybe its the worlds biggest bevel aswell.

 DaveWarb 25 Jan 2008
In reply to JackKeen: Unreal..
JackKeen 25 Jan 2008
In reply to JackKeen:

is this on google earth?

im at work till late so cant check it
 Enty 25 Jan 2008
In reply to JackKeen:

It certainly is. found it in about 30 seconds.

The Ent
JackKeen 25 Jan 2008
In reply to Enty:

ta mate, wow so not top secret then.

may be its not for flight training but as a landing assistance to aliens
 Enty 25 Jan 2008
In reply to JackKeen:

How does it work then? I know magnetic north is different from North North but none of the lines on it line up with the google earth compass.

The Ent
 Enty 25 Jan 2008
In reply to JackKeen:

Fascinating stuff. You can see the 7.5 mile runway which they use to land the Space shuttle.

The Ent
bergalia 25 Jan 2008
In reply to JackKeen:


Actually painted by Chris Columbus and his crew to ensure no-one made a similar mistake of 'discovering' America again....
 sutty 26 Jan 2008
In reply to bergalia:

this was his first attempt, he got the ordinal points right;

http://www.barcelona-tourist-guide.com/image-files/albums/catalunya/images/...
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