Posted by Janicholson on August 13, 2019 at 19:58:26 from (24.240.46.228):
In Reply to: hydrometer ? posted by 55 50 Ron on August 13, 2019 at 19:42:07:
It is a direct reading of the temperature adjusted specific gravity. As such it measures the Mass of the battery acid against gravity. The higher the charge in the battery, the more Sulfur is chemically moved into the fluid, and off of the plates. Thus the "acid" weighs more. When discharged, the acid can become much less saturated, and watery. This can allow a battery to freeze when dead and cold. If there has been no added distilled water, and if the cells are accessible, it can sure do a good job. It also shows distinct differences between good cells, and bad. Jim
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Today's Featured Article - Tractor Profile: Ferguson TO-20 - by Staff. When the infamous "Handshake Agreement" between Henry Ford and Harry Ferguson fell by the wayside (that's a story in itself), Harry Ferguson quickly set up manufacturing plants for a United States version of his English TE-20. The TO-20 was relatively the same as the TE-20 except utilized some different casting materials and had a US-style electrical system. The TO-20 was a dead ringer for the Ford 9N and 2N models and they say that Ferguson did this on purpose when the Handshake Agreement wen
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