Posted by GordoSD on April 21, 2013 at 13:59:00 from (216.106.244.97):
"Machinist's Workshop" recently published information on various penetrating oils. The magazine reports they tested these products for "break out "torque" on rusted nuts and bolts. A test was made of popular penetrating oils, with the unit of merit being the torque required to remove the nut from a "scientifically rusted" boltAverage torque load to loosen nut: No Oil used ........................516 foot pounds WD-40 ..................... ........238 foot pounds PB Blaster .........................214 foot pounds Liquid Wrench ......................127 foot pounds Kano Kroil .........................106 foot pounds ATF/Acetone mix...................... 53 foot pounds The ATF/Acetone mix is a "home brew" mix of 50/50 automatic transmission fluid and acetone. Note this "home brew" released bolts 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 almost as good as Kroil for 20% of the price. ATF/Acetone mix is best, but you can also use ATF and lacquer thinner in a 50/50 mix. ATF
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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