[Avodah] Keli Sheni

[Micha Berger]

On Sat, Jul 15, 2023 at 08:35:47PM +1000, Rabbi Meir G. Rabi via Avodah wrote:
> It seems that Tos are saying that the contents of a pot, if mainly water
> gets heated to 100C no matter how hot the fire is
> more heat just makes it boil more
> to get it hotter you must use a pressure cooker
> if there is Shmaltz etc. that may get a little hotter than 100C
> 
> The walls of a KRi however, they get as hot as the fire
> maybe 350C
> so when you take the KRi off the fire it continues to boil

But what about the corner-case I raised?

A pot that is taken off the fire and cooled to just near the lowest
of yad soledes bo is still a keli rishon until it cools enough to touch.

Another pot that had boiling water poured into it 2 min ago would
be entirely 100degC / 212degF -- and if it's stew, event hotter. And
yet it is a keli sheini.

So you have a keli rishon that is cooler than a keli sheini, not getting
any new heat. Lower temp, and the heat is flowing out, and yet it's the
keli rishon, not the other.

And this is why I am convinced physics and the resulting chemistry of the
food in the pots isn't the way to go.

-Micha

-- 
Micha Berger                 Zion will be redeemed through justice,
http://www.aishdas.org/asp   and her returnees, through righteousness.
Author: Widen Your Tent
- https://amzn.to/2JRxnDF