Hot answers tagged oil
They used a half of a lug of oil in each candle every night, in order that it would last through the longest night of the year (Menachos 88b). A lug is 6 egg volumes. An egg volume is disputed, but it's accepted to be either around 57 (R' Chaim Naeh) or 100 (Chazon Ish) mL. So the volume per candle was about 172 or 294 mL, or about 1200 or 2050 mL total.
Logically, you've got to consider the reasons things are considered kitniyos: the item is used to make some kind of flour, the item is grown among chometz species, the item was historically confused with chometz in storage or preparation -- and sometimes, there's just a longstanding minhag that the item is kitniyos. Sesame is considered kitniyos by every ...
הרואה שמן זית בחלום יצפה למאור תורה שנאמר (שמות כז, כ) ויקחו אליך שמן זית זך ברכות נז א Slightly less explicitly, since olive oil was directly associated with light back then: e.g. אמר רב יהודה אורה זו תורה וכן הוא אומר (משלי ו, כג) כי נר מצוה ותורה אור מגילה טז See also: http://wikivort.co.il/view.php?vort=1563
All pictures from 'Pnei Shabbat', pictorial guide to Mishnayot Shabbat by Yonatan Gerstein. This is from Perek 1, mishna 9.
According to the Beis Yosef in siman 671 they needed to go through the tahara process of para aduma which took seven days and one more for the oil making. He also brings the Ran who says the oil refinery was 4 days travel away. Four there, four back, there's eight days for you.
Don't forget that they were fresh from fighting a war. They had to purify themselves from the tum'as meis. They also had to make sure that everything was done in taharah. Also the pressing had to be only the first squeezing (without pressure) of the olives. It is not quite as simple as it seems.
It contained a half a lug of oil. See Maharsha Chullin 55 and Rivevos Ephraim Chelek 3:460:23.
Rambam (Hilchot Megillah u'Chanukah, ch 3) states that we celebrate the military victory and the re-institution of Jewish sovereignty in Israel. We celebrate for 8 days because the oil burned that long.
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