[Avodah] Just How hot is Yad Soledes Bo anyway?

[kennethgmiller at juno.com]

R"n Chana Luntz wrote:
> While you no doubt could have an argument about what the
> state is that Chazal were referring to regarding a baby's
> tummy, surely what we classify as a burn must fit within
> that, and so anything that is deemed to cause a first
> degree burn surely that would fit within the definition?

Surely? Surely not. Or maybe. The above would make just as much sense if you had written "second degree" or "third degree". I have no idea which kind of burn Chazal were referring to, and the length of this thread would suggest that no one else does either.

R' Rich Wolpoe wrote:
> We weren't measuring YSB directly. We were measuring what
> is the threshold temperature that cooking-bishul takes
> place.

But how do you know when you have cooked something to the point that *Chazal* would have considered it cooked?

Let's remember the famous discussion between the Aruch Hashulchan and Rav Moshe Feinstein:

Aruch Hashulchan O"C 318:28 - "Tea, which we pour hot water upon, and it is common knowledge that it cooks easily, and it gets cooked even in a kli sheni, as our eyes can see. ... Our eyes can see that it cooks in a kli sheni and kli shlishi, because it cooks easily ..."

Igros Moshe O"C 4:74, Bishil 15 (pg 136) - "That's not understandable. Granted that our eyes can see the water get red, but that has nothing to do with bishul. Even in totally cold water it will get red over time! And even more so in warm water which is below yad soledes, and this does not constitute bishul...."

Akiva Miller

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