I made a few of these. I hooked one up to the orifice and counted the seconds it Took to get 11 inches of water colum. Then I cleaned the orifice with ACIDDDDD. and counted the seconds,again. I got the same count as the new orfice I once used used. A clean orifice makes a big difference,and alcohol wont remove oxide of brass. I got the same count after using alcohol. In the endm,the tube diameter dosent make a difference.It only takes longer to get to 11 inches if a large tube is used.A small diameter tube gets to 11 inches quick. |
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