[Lex Computer & Tech Group/LCTG] Is physics useful?

Sat Sep 23 12:26:56 PDT 2023

MythBusters did a few episodes testing frozen vs defrosted birds.

https://mythbusters.fandom.com/wiki/Chicken_Gun_Myth#:~:text=The%20Myth%20%2D%20A%20frozen%20chicken,better%20than%20a%20thawed%20chicken.&text=Notes%20%2D%20After%20building%20a%20large,with%20a%20high%20speed%20camera
.

Stan

On Sat, Sep 23, 2023, 3:15 PM Mitchell I. Wolfe via LCTG <lctg at lists.toku.us>
wrote:

> UTC used to use live turkeys to test aircraft engines, but switched to
> dead ones.
>
> There's also the infamous "turkey drop" episode of the TV sitcom *WKRP in
> Cincinnati.* For example:
> https://www.primetimer.com/quickhits/the-infamous-wkrp-in-cincinnati-turkey-drop-episode
>
> -- Mitch
>
> On 2023-09-23 14:18, Michael Alexander via LCTG wrote:
>
> As I recall, Alan (and others), there used to be a test in which
> (hopefully dead) chickens were fired at aircraft windshields to test the
> windshields' integrity against bird strikes.  Seriously.  Maybe the test is
> still in use.
>
>     Mike Alexander
>
>
> Sent from Yahoo Mail for iPhone
> <https://overview.mail.yahoo.com/?.src=iOS>
>
> On Saturday, September 23, 2023, 12:52 PM, Alan Millner via LCTG <
> lctg at lists.toku.us> wrote:
>
> My crude version of an old joke this brings to mind:
>
> The British aircraft corporation, bringing their first large airliner to
> market, was anxious to satisfy American safety requirements. They noted a
> test for the windscreen to survive bird strikes. So, they assembled an air
> cannon, and bought a commercial turkey as a test object, and carefully
> calibrated the speed of the exiting bird to replicate the speed of the
> aircraft. When they fired the bird at the windshield, they were horrified
> to see the turkey crash through the windscreen, smash the back of the
> pilot's seat, and bury itself in the partition behind. They sent a panicky
> email to NASA asking for assistance with the problem.
> Nasa sent a three word reply:
> "Thaw the turkey."
>
>
> Alan Millner
> amillner at alum.mit.edu
> home 781-862-7893. cell 781-999-4346
> 48 North St., Lexington MA 02420
>
>
>
> On Sep 23, 2023, at 11:59 AM, Peter Albin via LCTG <lctg at lists.toku.us>
> wrote:
>
>
> Who is bringing the frozen chicken to the next POT-poor-i?
> Peter
>
> On Sep 23, 2023, at 11:34 AM, John Rudy via LCTG <lctg at lists.toku.us>
> wrote:
>
> I knew I could trust you.
> Anyway, the chicken only needs to be heated to 150 degrees and a 2#
> chicken is really small
>
> *From:* Charles Holbrow <chholbrow at gmail.com>
> *Sent:* Saturday, September 23, 2023 11:28 AM
> *To:* jjrudy1 at comcast.net
> *Cc:* Lex Computer Group <lctg at lists.toku.us>; Colin Rudy <
> colinr1230 at gmail.com>; phil radoff <plradoff at yahoo.com>; Mel Weinzimer <
> melweinzimer at yahoo.com>; Karen Kalil Brown <kkalilbrown at hotmail.com>;
> George Starkschall <gstarkschall at gmail.com>
> *Subject:* Re: [Lex Computer & Tech Group/LCTG] Is physics useful?
>
> Heat capacity for 1 kg of water is almost 4200 J/kg/C.  I would expect a
> frozen chicken to be mostly water, but maybe the chicken industry has
> experimentally determined the heat capacity of a chicken carcass.
>
> This calculation does not include heat of fusion necessary to melt ice
> i.e. to defrost the frozen chicken.
>
> Heat will be carried away from the warming chicken by vapor which will
> also include heat of vaporization which is big. The rate of heat loss will
> soon equal the rate it is being delivered by the slaps.
>
> Including all the physics will make for a much bigger number of slaps.
> That's a physics calculation.  In addition, any self respecting engineer
> would provide a margin for error.
>
> Of course you could build an apparatus that slaps the chicken in a closed
> environment so there is no heat loss while the chicken is being slapped.
> Then you will need to supply enough slap energy to heat that apparatus as
> well as the chicken.
>
> Don't invest in this.
>
> --Charlie
>
>
>
>
>
> On Sat, Sep 23, 2023 at 9:21 AM John Rudy via LCTG <lctg at lists.toku.us>
> wrote:
>
> The average person would not be able to do this, and wouldn't even care.
> But to me it is beauty.  Of course I have not verified the numbers.
>
>
> John Rudy
>
> 781-861-0402
> 781-718-8334  cell
> 13 Hawthorne Lane
> Bedford MA
> jjrudy1 at comcast.net
>
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