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cjpilot710(at)aol.com
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 Posted: Thu Jun 25, 2009 6:02 pm Post subject: Tight nuts? |
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Interesting stuff to my friends that turn a wrench!
Machinist's Workshop magazine actually tested penetrants for break out torque on rusted nuts. Significant results! They are below, as forwarded by an ex-student and professional machinist, Bud Baker.
*Don't forget the April 2007 "Machinist's Workshop" magazine comparison test.*
*They arranged a subjective test of all the popular penetrants with the control being the torque required to remove the nut from a "scientifically rusted" environment. *
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
*The ATF-Acetone mix was a "home brew" mix of 50 - 50 automatic
transmission fluid and acetone.*
*Note the "home brew" was better than any commercial product in this one
particular test. Our local machinist group mixed up a batch and we all
now use it with equally good results. Note also that "Liquid Wrench" is
about as good as "Kroil" for about 20% of the price. *
*Your experience may vary, etc., etc.
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[quote][b]
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dstroud(at)xplornet.com
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| Posted: Fri Jun 26, 2009 2:50 am Post subject: Tight nuts? |
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And if you mix kerosene with a small quantiy to witch hazel,
the nut will practically turn itself off.
David Stroud Ottawa, Canada
Christavia C-FDWS
Fairchild 51 replica
under construction C-FYXV
[quote] ---
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