Chicken Cannon Lovers

In article , Keith Willshaw
wrote:

"Jim E" wrote in message
...

"Thomas Schoene" wrote in message
link.net...
John Lansford wrote:

The chicken gun exists. I've seen it in operation in fact.

I'm guessing the myth in qustion is about the frozen vs non-frozen
chickens.* It will be interesting to see what the Mythbusters guys do
with
it.

Watched the program.
Their conclusion, frozen or thawed makes no difference to impact.
Strictly a function of mass, velocity, and time of deceleration.


Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.

Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops. I'd be interested to know what experiments, if any,
the programme did in order to reach its conclusions. Obviously they are
quite correct about kinetic energy and momentum, but transfer of
momentum operates in many different ways depending very much on the
nature of the materials in which the transfer occurs.

--
"The past resembles the future as water resembles water" Ibn Khaldun

My .mac.com address is a spam sink.
If you wish to email me, try alan dot lothian at blueyonder dot co dot uk

On or about Mon, 19 Jan 2004 09:28:37 +0000, Alan Lothian
allegedly uttered:

In article , Keith Willshaw
wrote:

Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.

Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops.

Hailstones can get rather larger than raindrops. In the various
updrafts within stormclouds the raindrops grow until they reach a size
at which they're too unstable in the airflows and fission into smaller
drops, hail just keeps growing until the updrafts can't keep them up.

I've never been hurt by rainfall, but one short shower of 1" hail left
me very battered, slightly dazed, and in need of a large drink and a
quiet lie down.

I'd be interested to know what experiments, if any,
the programme did in order to reach its conclusions. Obviously they are
quite correct about kinetic energy and momentum, but transfer of
momentum operates in many different ways depending very much on the
nature of the materials in which the transfer occurs.

I have to admit I missed the show and will keep an eye out for the
inevitable rerun as it would be one I'd like to see.
---
Peter Kemp

Life is short - Drink Faster

On Mon, 19 Jan 2004 17:52:01 -0500, Peter Kemp
peter_n_kempathotmaildotcom@ wrote:

On or about Mon, 19 Jan 2004 09:28:37 +0000, Alan Lothian
allegedly uttered:

In article , Keith Willshaw
wrote:

Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.

Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops.

Hailstones can get rather larger than raindrops. In the various
updrafts within stormclouds the raindrops grow until they reach a size
at which they're too unstable in the airflows and fission into smaller
drops, hail just keeps growing until the updrafts can't keep them up.

I've never been hurt by rainfall, but one short shower of 1" hail left
me very battered, slightly dazed, and in need of a large drink and a
quiet lie down.

Indeed. We had a hailstorm here (near Dallas, TX) last summer that
was so loud I couldn't hear the baseball game on TV. When it stopped,
I went outside & picked up some 2-1/2" dia. hailstones off my lawn! I
can't imagine getting hit by one!

JM

On 1/19/04 4:52 PM, in article ,
"Peter Kemp" peter_n_kempathotmaildotcom@ wrote:


I'd be interested to know what experiments, if any,
the programme did in order to reach its conclusions. Obviously they are
quite correct about kinetic energy and momentum, but transfer of
momentum operates in many different ways depending very much on the
nature of the materials in which the transfer occurs.

I have to admit I missed the show and will keep an eye out for the
inevitable rerun as it would be one I'd like to see.
---
Peter Kemp

Life is short - Drink Faster

I watched a portion of Myth Busters where the two knuckleheads tried to
debunk the "explosive decompression" phenomenon in the movies. You get the
picture. Gun goes off in plane. Fuselage rips open and 6-8 passengers, in
flight meals, luggage, and an unsuspecting flight attendant fly into the
atmosphere.

They pressurized a bone-yarded fuselage with a huffer and used a remote
control .45 to shoot out windows and fuselage to see if a large hole would
expand out the small starter hole.

Results: Small holes stayed small and made hissing noises.

Conclusion: Myth. Busted.

They failed, however, to introduce a 300/.78 slipstream into the equation,
but I doubt it would have changed the result.

Point being that these guys seem to make some critical assumptions that
*might* affect the results. I didn't see the whole show, but I don't
remember them ever addressing the lack of slip stream.

--Woody

"Doug \"Woody\" and Erin Beal" wrote in message news:

I watched a portion of Myth Busters where the two knuckleheads tried to
debunk the "explosive decompression" phenomenon in the movies. You get the
picture. Gun goes off in plane. Fuselage rips open and 6-8 passengers, in
flight meals, luggage, and an unsuspecting flight attendant fly into the
atmosphere.

They pressurized a bone-yarded fuselage with a huffer and used a remote
control .45 to shoot out windows and fuselage to see if a large hole would
expand out the small starter hole.

Results: Small holes stayed small and made hissing noises.

Conclusion: Myth. Busted.

They failed, however, to introduce a 300/.78 slipstream into the equation,
but I doubt it would have changed the result.

Point being that these guys seem to make some critical assumptions that
*might* affect the results. I didn't see the whole show, but I don't
remember them ever addressing the lack of slip stream.

--Woody


Next time you're out here (yea right) I'll show you some video of our
recent tests. We did our own series of tests and recreated the vital
conditions. The conclusions are the same as you stated. Explosive
decompressions are great for the movies, not realistic though.

BlackBeard

Peter Kemp wrote:

On or about Mon, 19 Jan 2004 09:28:37 +0000, Alan Lothian
allegedly uttered:

In article , Keith Willshaw
wrote:

Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.

Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops.

Hailstones can get rather larger than raindrops. In the various
updrafts within stormclouds the raindrops grow until they reach a size
at which they're too unstable in the airflows and fission into smaller
drops, hail just keeps growing until the updrafts can't keep them up.

I've never been hurt by rainfall, but one short shower of 1" hail left
me very battered, slightly dazed, and in need of a large drink and a
quiet lie down.

I'd be interested to know what experiments, if any,
the programme did in order to reach its conclusions. Obviously they are
quite correct about kinetic energy and momentum, but transfer of
momentum operates in many different ways depending very much on the
nature of the materials in which the transfer occurs.

I have to admit I missed the show and will keep an eye out for the
inevitable rerun as it would be one I'd like to see.
---
Peter Kemp

Life is short - Drink Faster

There was a hailstorm in Texas several years ago during a large outdoor
festival of some sort. Couple of folks maimed, lots hospitalized, millions
of
dollars in property damage. ( Broken glass, totaled cars, roof damage. )

--Dale

"Dale Farmer" wrote in message
...


SNIPPED

There was a hailstorm in Texas several years ago during a large
outdoor
festival of some sort. Couple of folks maimed, lots hospitalized,
millions
of
dollars in property damage. ( Broken glass, totaled cars, roof damage. )

IIRC, that was in Fort Worth during an outdoor Mayfest thing.

__!_!__
Gizmo

Dale Farmer wrote:

Peter Kemp wrote:



On or about Mon, 19 Jan 2004 09:28:37 +0000, Alan Lothian
allegedly uttered:



In article , Keith Willshaw
wrote:


Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.


Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops.


Hailstones can get rather larger than raindrops. In the various
updrafts within stormclouds the raindrops grow until they reach a size
at which they're too unstable in the airflows and fission into smaller
drops, hail just keeps growing until the updrafts can't keep them up.

I've never been hurt by rainfall, but one short shower of 1" hail left
me very battered, slightly dazed, and in need of a large drink and a
quiet lie down.



I'd be interested to know what experiments, if any,
the programme did in order to reach its conclusions. Obviously they are
quite correct about kinetic energy and momentum, but transfer of
momentum operates in many different ways depending very much on the
nature of the materials in which the transfer occurs.


I have to admit I missed the show and will keep an eye out for the
inevitable rerun as it would be one I'd like to see.
---
Peter Kemp

Life is short - Drink Faster



There was a hailstorm in Texas several years ago during a large outdoor
festival of some sort. Couple of folks maimed, lots hospitalized, millions
of
dollars in property damage. ( Broken glass, totaled cars, roof damage. )

--Dale




Storytellers like to toss around the phrase "_____ball-sized hail," the
diameter of the ball growing with the teller's brazenness. But back in
the late 70s, when I was working as an insurance adjuster in eastern end
of Tornado Alley (southern Illinois, Western Kentucky and Tennessee,
southwestern Missouri), I got a claim once where some folks on a farm
said they'd had some structures and vehicles damaged by "baseball-sized
hail." We'd heard such things around the office plenty of times, but
these folks had gone to the trouble to bag some of the stones and stick
them in a freezer. And they weren't exaggerating; somewhere I've still
got the Polaroids. Given that the projectiles in question had had a
chance to melt some -- it was summer, after all -- before the insureds
figured it was safe enough to go outside and assess, it's possible they
had been the size of softballs when they came down. The tin roof on
their tractor shed looked life it'd been hit with cluster bomblets.

That area sees some pretty extreme weather phenomena. My dad still
lives there; he says that a twister that came through last summer and
killed a couple people just a mile from his house was so powerful it
pulled utility poles straight out of the ground without breaking them.
He'd been in the claims business for 30 years, and maintains it was the
most awe-inspiring damage he'd ever personally witnessed.

David Windhorst wrote:

[Snip previous hailstones stuff]

got the Polaroids. Given that the projectiles in question had had a
chance to melt some -- it was summer, after all -- before the insureds
figured it was safe enough to go outside and assess, it's possible they
had been the size of softballs when they came down. The tin roof on
their tractor shed looked life it'd been hit with cluster bomblets.

12" or 16" softballs?
--
OJ III
[Email sent to Yahoo addy is burned before reading.
Lower and crunch the sig and you'll net me at comcast]

Alan Lothian wrote:

In article , Keith Willshaw
wrote:

"Jim E" wrote in message
...

"Thomas Schoene" wrote in message
link.net...
John Lansford wrote:

The chicken gun exists. I've seen it in operation in fact.

I'm guessing the myth in qustion is about the frozen vs non-frozen
chickens.* It will be interesting to see what the Mythbusters guys do
with
it.

Watched the program.
Their conclusion, frozen or thawed makes no difference to impact.
Strictly a function of mass, velocity, and time of deceleration.


Hmmm, I suspect when dealing with a kg of water it makes a
big difference to the fan blades if that water is frozen
in a single lump.

Indeed. Strange to relate, more windscreens are smashed by hailstones
than by raindrops.

You've never weighed a raindrop vs a hailstone have you?