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The Water Cooler
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Penetrating oils and test.
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<blockquote data-quote="stick4" data-source="post: 3158000" data-attributes="member: 26023"><p>Taken from the Practical Machinist Forum </p><p>(YMMV)</p><p></p><p>In a thread in the antique machinery forum, there was a discussion what to use to free up a part. Southbendmodel34 had mentioned a study in Machinist Workshop stating that Automatic transmission fluid and Acetone mixed was the best. </p><p>I just received a newsletter today from Tim Carter mentioning the same study. He had included the results of the test, which I thought interesting.</p><p></p><p>A study done by Machinist's Workshop magazine in their April 2007 issue looked at different penetrating oils to see which one did the best job of removing a rusted bolt by measuring the pounds of torque required to loosen the bolt once treated. If the study was scientifically accurate, it turns out a home brew works best!</p><p>Here's the summary of the test results:</p><p></p><p>Penetrating oil ..... Average load</p><p></p><p>None ...................... 516 pounds</p><p>WD-40 ................... 238 pounds</p><p>PB Blaster .............. 214 pounds</p><p>Liquid Wrench ...... 127 pounds</p><p>Kano Kroil ............. 106 pounds</p><p>ATF-Acetone mix....53 pounds</p></blockquote><p></p>
[QUOTE="stick4, post: 3158000, member: 26023"] Taken from the Practical Machinist Forum (YMMV) In a thread in the antique machinery forum, there was a discussion what to use to free up a part. Southbendmodel34 had mentioned a study in Machinist Workshop stating that Automatic transmission fluid and Acetone mixed was the best. I just received a newsletter today from Tim Carter mentioning the same study. He had included the results of the test, which I thought interesting. A study done by Machinist's Workshop magazine in their April 2007 issue looked at different penetrating oils to see which one did the best job of removing a rusted bolt by measuring the pounds of torque required to loosen the bolt once treated. If the study was scientifically accurate, it turns out a home brew works best! Here's the summary of the test results: Penetrating oil ..... Average load None ...................... 516 pounds WD-40 ................... 238 pounds PB Blaster .............. 214 pounds Liquid Wrench ...... 127 pounds Kano Kroil ............. 106 pounds ATF-Acetone mix....53 pounds [/QUOTE]
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