Re: How to calculate current to melt wire?

On Sat, 24 May 2008 17:34:21 GMT, "John KD5YI"
<groups1_dot_jocjo@xxxxxxxx> wrote:


"Jim Thompson" <To-Email-Use-The-Envelope-Icon@xxxxxxxxxxxxxxx> wrote in
message news:2ibg34l1qubtqlp26ocongdlenluk6n4lo@xxxxxxxxxx
On Sat, 24 May 2008 13:46:52 GMT, "John KD5YI"
<groups1_dot_jocjo@xxxxxxxx> wrote:

[snip]

A British airframe manufacturer was provided detailed plans by a US
company to build and operate said cannon to test their assemblies. Upon
firing their first chicken into a known sound cockpit window, they were
horrified when the window was shattered and surrounding fuselage bent.
They sent detailed test procedures, results, photographs, etc. back to
the American company, seeking advice.

The Americans responded with a one sentence suggestion: "Thaw the
chicken."

--
Paul Hovnanian mailto:Paul@xxxxxxxxxxxxx
------------------------------------------------------------------
I have a truly marvellous sig which this margin is too narrow to
contain.


Mostly urban legend, according to:
http://www.snopes.com/science/cannon.asp

Cheers,
John

Except it's not. I contracted (*) at Goodyear Aerospace...

http://en.wikipedia.org/wiki/Goodyear_Aerospace

in the early 70's.

At that time they fired LIVE chickens at aircraft windshields.

Of course ASPCA got all hot and bothered when they heard about it. So
we then had to use dressed processed (dead) chickens. These WERE
stored frozen, and thawed just prior to loading into the "cannon".

It's conceivable that some failed to thaw before firing ;-)

IIRC, I believe the windshield material was LEXAN. I put some of it
into the gaslight at my old acreage, because the juvenile heathens
kept breaking out the regular glass.

(*) Hybrid circuits for side-looking radar.


Yes, Jim, I know birds are actually fired into aircraft windshields and
engines. The part about the British being so stupid as to not thaw the bird
first is the legend.

John

OK ;-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
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