whats the oil in beer bottle capacitor for


Joined Mar 31, 2012
Why do you want people to guess what the hell you are talking about?

Do you really think that everyone known what you mean when you talk about a "beer bottle capacitor"?

If it is a capacitor that uses water as it's dielectric, then it would not be unreasonable to put some oil on top to prevent the water from evaporating.


Joined Jul 5, 2008
Any oil will work just a motor oil would be best. Cooking oil can mold its just to close the bottle off and keep the water in it.