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OT: Humidity effects http://www-.luthiersforum.com/forum/viewtopic.php?f=10102&t=5980 |
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Author: | Michael Dale Payne [ Wed Apr 05, 2006 4:39 am ] |
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How cool are these pics ![]() ![]() ![]() Braking the sound barrier on a humid day |
Author: | Serge Poirier [ Wed Apr 05, 2006 8:06 am ] |
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Woooohooooohoooo! ![]() |
Author: | Joe Beaver [ Wed Apr 05, 2006 8:32 am ] |
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Great pictures... Thanks! |
Author: | RussellR [ Wed Apr 05, 2006 8:36 am ] |
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Cool Picture. I think a meter is an easier way to test humidity, and certainly cheaper ![]() |
Author: | Joe Beaver [ Wed Apr 05, 2006 8:43 am ] |
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So the question remains. Since the speed of sound is 742 MPH at 32 degrees F, and the effects of humidity are as pictured, is it better to assemble a guitar in the rear seat of an F-18 moving at mach 1 or in the basement of a three floor walk up on 97th Avenue in the heart of NYC? |
Author: | Michael Dale Payne [ Wed Apr 05, 2006 8:52 am ] |
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![]() ![]() |
Author: | RussellR [ Wed Apr 05, 2006 8:52 am ] |
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How Fast is the apartment traveling ? ![]() |
Author: | Serge Poirier [ Wed Apr 05, 2006 9:05 am ] |
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Faster than my old pontiac 6000, i hope! ![]() |
Author: | Cocephus [ Wed Apr 05, 2006 12:49 pm ] |
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Thanks for posting those pics, Mike! I had read of and heard of the phenomena, but never saw it or pics. Coe |
Author: | Rod True [ Wed Apr 05, 2006 2:15 pm ] |
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[QUOTE=RussellR] How Fast is the apartment traveling ? ![]() About 1000 MPH. But than so is everything else attached to the 3rd rock from the sun. |
Author: | CarltonM [ Thu Apr 06, 2006 7:32 am ] |
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[QUOTE=Joe Beaver] So the question remains. Since the speed of sound is 742 MPH at 32 degrees F, and the effects of humidity are as pictured, is it better to assemble a guitar in the rear seat of an F-18 moving at mach 1 or in the basement of a three floor walk up on 97th Avenue in the heart of NYC?[/QUOTE] I think you'd finish it faster on the plane. In fact, if you're assembling it as you travel east over the Greenwich line, you'll have it finished yesterday. Isn't that how it works? ![]() |
Author: | Joe Beaver [ Thu Apr 06, 2006 1:02 pm ] |
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Carlton Said: In fact, if you're assembling it as you travel east over the Greenwich line, you'll have it finished yesterday. Isn't that how it works? ![]() I've always suspected the rotation of the earth was responsible for a lot of things. Like me being a lot older than I use to be for one. Maybe Carlton is right... should have crossed that Greenwich line a few more times. Or is it a few less? All said and done those are really cool pictures! |
Author: | A Peebels [ Thu Apr 06, 2006 1:14 pm ] |
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When I lived near San Fransisco, the Blue Angels would fly for my anaversary every October ( my wife and I got married during fleet week). I enjoyed watching the condensation from the vortices, but never got to see them break the speed of sound. Al |
Author: | Anthony Z [ Thu Apr 06, 2006 2:08 pm ] |
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Al - back in my school days I witnessed a different type of "blue angel" ignited by a bic lighter that kinda looked like Michael's pictures.. ![]() Cool pics...that's some shutter speed you used Michael |
Author: | Rod True [ Thu Apr 06, 2006 5:02 pm ] |
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No, sorry Hesh, according to those who "just know these things" the earth is spinning on its axes at about 1000 mph. Here's the basic answer found at NASA's web site. The circumference of the Earth at the equator is 25,000 miles. The Earth rotates in about 24 hours. Therefore, if you were to hang above the surface of the Earth at the equator without moving, you would see 25,000 miles pass by in 24 hours, at a speed of 25000/24 or just over 1000 miles per hour. Multiply by cosine of your latitude to see how fast the Earth is rotating where you are. Earth is also moving around the Sun at about 67,000 miles per hour. That's almost as fast as thay guy playing flight of the bumble bees. ![]() |
Author: | Michael Dale Payne [ Fri Apr 07, 2006 12:27 am ] |
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O I did not take them. the are Navy pics |
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