On 12/09/2009 08:52 AM, Horace Heffner wrote:
On Dec 8, 2009, at 9:09 PM, William Beaty wrote:
On Tue, 8 Dec 2009, Horace Heffner wrote:
Titanium dust oxidizing.
http://en.wikipedia.org/wiki/Helicopter_rotor
"When operating in sandy environments, sand hitting the moving rotor
blades erode
On Wed, Dec 9, 2009 at 10:06 AM, Horace Heffner wrote:
> All I get from the above is "We're sorry, your search returned no results...
> Please try again."
Stupid government web sites. Try this:
http://www.onr.navy.mil/~/media/Files/Funding%20Announcements/BAA/08-011.ashx
Terry :-)
On Dec 9, 2009, at 4:19 AM, Terry Blanton wrote:
On Wed, Dec 9, 2009 at 1:09 AM, William Beaty
wrote:
Or in
other words, if we use a sandblaster on titanium, do we get the glow?
Perhaps.
According to this article:
http://www.onr.navy.mil/02/baa/docs/BAA%2008-011_ONRBAA%2008-011.pdf
the a
On Dec 8, 2009, at 9:09 PM, William Beaty wrote:
On Tue, 8 Dec 2009, Horace Heffner wrote:
Titanium dust oxidizing.
http://en.wikipedia.org/wiki/Helicopter_rotor
"When operating in sandy environments, sand hitting the moving rotor
blades erodes their surface. This can damage the rotors; the
On Wed, Dec 9, 2009 at 1:09 AM, William Beaty wrote:
> Or in
> other words, if we use a sandblaster on titanium, do we get the glow?
> Perhaps.
According to this article:
http://www.onr.navy.mil/02/baa/docs/BAA%2008-011_ONRBAA%2008-011.pdf
the answer is "yes".
Terry
On Tue, 8 Dec 2009, Horace Heffner wrote:
> Titanium dust oxidizing.
>
> http://en.wikipedia.org/wiki/Helicopter_rotor
> "When operating in sandy environments, sand hitting the moving rotor
> blades erodes their surface. This can damage the rotors; the erosion
> also presents serious and costly ma
Good point. The analogy was to what is called "suction cavitation" which can
happen with vacuum pumps. However, there must still be a liquid vapor
present for that to happen.
But this is in dry desert, correct ? There isn't enough water vapor for
"suction cavitation" unless the turbulence of the b
On 12/08/2009 10:18 PM, Jones Beene wrote:
The sound level is certainly intense from helicopter blades... not
ultrasonic, but sonoluminescence does not demand ultrasound.
Yellow is a characteristic color of salinity and many sandy deserts are
highly saline.
Instead of sand, per se, the emissi
The sound level is certainly intense from helicopter blades... not
ultrasonic, but sonoluminescence does not demand ultrasound.
Yellow is a characteristic color of salinity and many sandy deserts are
highly saline.
Instead of sand, per se, the emission could be caused by cavitation in
saline air.
cavitation???
At 01:15 PM 12/8/2009, you wrote:
Dust impact? Glow discharge? Dust contaminates the N2O2 plasma?
Bright yellow glow from helicopter rotors
http://www.michaelyon-online.com/the-kopp-etchells-effect.htm
(from http://sprott.physics.wisc.edu/pickover/pc/realitycarnival.html)
(
On Dec 8, 2009, at 12:15 PM, William Beaty wrote:
Dust impact? Glow discharge? Dust contaminates the N2O2 plasma?
Bright yellow glow from helicopter rotors
http://www.michaelyon-online.com/the-kopp-etchells-effect.htm
(from http://sprott.physics.wisc.edu/pickover/pc/realitycarnival.htm
On Dec 8, 2009, at 12:15 PM, William Beaty wrote:
Dust impact? Glow discharge? Dust contaminates the N2O2 plasma?
Bright yellow glow from helicopter rotors
http://www.michaelyon-online.com/the-kopp-etchells-effect.htm
(from http://sprott.physics.wisc.edu/pickover/pc/realitycarnival.htm
Dust impact? Glow discharge? Dust contaminates the N2O2 plasma?
Bright yellow glow from helicopter rotors
http://www.michaelyon-online.com/the-kopp-etchells-effect.htm
(from http://sprott.physics.wisc.edu/pickover/pc/realitycarnival.html)
(( ( ( ( ((O)) )
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