[meteorite-list] Stardust SRC Hot to the touch?

From: sterling_k_webb_at_sbcglobal.net <sterling_k_webb_at_meteoritecentral.com>
Date: Thu Jan 19 05:37:19 2006
Message-ID: <002001c61ce4$46059510$a552e146_at_ATARIENGINE>

Hi, Abestos Hands!

    Yes, one can lightly, or gently, or for a short
period, handle a 60?C - 140?F object, but the
threshhold for cell death is 134?F if maintained
for more than a very short time. Burns will not
occur, but cells (dermal and deeper tissues) will
die.
    One reason humans can briefly handle very
hot objects is the protection provided by the
evaporation of skin moisture which momentarily
insulates the skin. When that fails the heat must
penetrate the epidermis (dead cells anyway).
    Your know you've gone as far as you can go
when, after touching a hot object, your skin is dry
and sheds a white dust (burnt epidermis).
    To carry a heavy (and precious) object like the
capsule at 140?F without haste or the last-minute
loosening of grip requires protection. Not much,
but some: Nomex gloves are more than enough
(widely sold for $12 a pair under the moniker
"the Ove-Glove").

Sterling K. Webb
------------------------------------------------

----- Original Message -----
From: "Martin Altmann" <altmann_at_meteorite-martin.de>
To: <meteorite-list_at_meteoritecentral.com>
Sent: Wednesday, January 18, 2006 10:25 AM
Subject: Re: [meteorite-list] Stardust SRC Hot to the touch?


> Unbelievable!
>
> I recommend to train upcoming NASA-reentry-capsule-recoverers in a special
> program.
> To proof cost efficency, I'll could develope such a program for only
> 120.000bucks.
> The program is:
> Come on, little princes and pashas, 60?C - 140F,
> protective gloves???! What about you helping a little at home in the
> household?
> I stongly recommend dish washing.
> Girly NASA: 60? - I can touch it without problems.
>
> Martin,
> the housewife.
>
>
> ----- Original Message -----
> From: "Martin Horejsi" <accretiondesk_at_gmail.com>
> To: "Meteorite Mailing List" <meteorite-list_at_meteoritecentral.com>
> Sent: Wednesday, January 18, 2006 2:39 PM
> Subject: [meteorite-list] Stardust SRC Hot to the touch?
>
>
> Hi Ron and All,
>
> I am wondering why the Stardust SRC might arrive to earth too hot to
> touch, yet the mantra for meteorites is they must be cold even though
> history is littered with witnesses claiming the stones and irons were,
> you guessed it, too hot to touch.
>
> Here is an excerpt from the Stardust press kit, page: 14-15:
>
> Following a normal entry, the capsule will be hand-carried to the
> helicopter for trans-
> port. The capsule will be warm; temperature of the heat shield could
> be as high as 60 Celsius (140 Fahrenheit), so handlers will be
> required to wear protective gloves.
>
> Cheers,
>
> Martin
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Received on Thu 19 Jan 2006 05:36:56 AM PST