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6

I doubt that it's possible to recreate a kit-like metal sukka frame without spending hundreds of dollars, at least not without creative sourcing of the materials (e.g. finding them in a junk yard, or something). A few years ago, I bought raw materials to extend an existing round-aluminum-tube-based kit I had (not like the newfangled kits with rectangle-...


5

A time of Tekufa (pl.Tekufos/Tekufot) is defined as time of equinox which occurs four times a year1. The 1906 Jewish Encyclopedia relates the following regarding superstition at the times of the equinox: Superstition. An ancient and widely believed superstition is connected with the teḳufot. All water that may be in the house or stored away in ...


4

Here's the sukkah I used to use until I got a dedicated sukkah deck. Frame: The frame is made of 3/4" EMT conduit. Get it at Home Depot for $4.20 per piece. This is the same stuff the sukkah project uses and is used by many outdoor builders to build DIY greenhouses, awnings, etc. It comes in 10 ft legnths, but they will cut if for you in store. Most walls ...


3

The Rama writes that some say to use a reed and not a feather. The Taz explains, that by a Get there is a halacha that it should not be written using metal because it might engrave the words, and that would not disqualify the get. By sta"m - Sefer Torah, Tefillin and Mezuzahs- we want to avoid that as well, and that is why even a feather shouldn't be used, ...


2

We only find the "no metal" rule in a single place; making the Mizbeach (דברים פרק-כז). לֹא תָנִיף עֲלֵיהֶם בַּרְזֶל There's the Posuk that states that no metal instruments were heard during the building of the Bet HaMikdash: מלכים א ו, ז: וְהַבַּיִת בְּהִבָּנֹתוֹ אֶבֶן שְׁלֵמָה מַסָּע נִבְנָה וּמַקָּבוֹת וְהַגַּרְזֶן כָּל כְּלִי בַרְזֶל לֹא נִשְׁמַע ...


2

This question is asked and answered in the Gemara in Hulin 25a-b. A Sefaria explains: מאי שנא הני ומאי שנא הני?‏ רבי יוחנן אמר "הואיל ולכבוד עשויין"‏ רב נחמן אמר "הואיל ודמיהן יקרים"‏ The Gemara asks: What is different about these unfinished wooden vessels , with regard to which the halakha is that provided they are fit for use they are ...


1

You assume that those mines should be within the borders given in Parashat Massei, but it might be false. The promised land borders described in Brit bein Habetarim are wider. Not just Timmna, the region of Eilat mountains is rich with copper ore, and in few places also iron. Possibly some of this region is part of Erez Yisrael. There are evidence of ...


1

Mishnah Brurah 629 s.k. 26: says indirect support is not a problem: (כו) לחבר וכו' במסמרות של ברזל - זה מותר לכו"ע אפילו למאן דאוסר להעמיד הסכך בדבר המקבל טומאה כיון שאין סומך הסכך על המסמורים אלא שמחזיק בהם הכלונסות המעמידים להסכך The majority of poskim agree that it is fine. The Chazon Ish (O.C. 143:2) however holds that indirect support is the same ...


1

Look in the Mishna Brura. He explicitly says אבל כשיש שם חלודה יש לחוש שמא יש שם משהו מן החמץ והחלודה מכסהו ולזה לא מהני הגעלה כי אין הגעלה למה שהוא בעין. וכ"ז בחלודה שיש בזה קצת ממשות (שקורין ראס"ט) שכשגוררין אותה משם יש שם כמה עפרורין שאז יש לחוש שמא יש תחתיה משהו ממשות האיסור בעין והחלודה מכסהו אבל אם אין בחלודה ממשות כלל רק מראה בלבד כמו שנמצא לפעמים ...


1

Sorry for reviving an old thread. The use of metal vs. other materials for writing is mostly based on practicality (writing properties and properties of the klaf), although there are those who prefer to use a feather specifically based on the concept that just like the klaf should be from an edible animal, so too should the kulmus. Regarding the tzitzis ...


1

This article by R. Avi Zakutinsky discusses which kinds of materials need immersion in a mikvah: When describing the obligation to purify and immerse utensils that were owned and used by non-Jews the Torah mentions only six types of metals; Gold, Silver, Copper, Iron, Tin and Lead. These items need immersion on a biblical level. The poskim discuss whether ...


1

The Kitzur Shulchan Aruch in 134:4 writes that it's best not to rest the Schach on something that could become impure - like a wooden ladder or tools (with long handles). However, if done, the Sukka is Kosher, since we hold that it's permissible to rest the Schach on items that could become impure. In your case, if the metal is solidly connected to the ...


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