[urq] Fwd: [Auto_Union_DKW_Group] Penetrating Oil

[David Glubrecht]

  David Glubrecht

Why would they be doing a subjective test?  I certainly hope they mean Objective.

Objective data is that which is collected through strictly controlled, unbiased scientific experimentation or polling.

Subjective is personal opinion.
> 
> 
> Penetrating Oils
> 
>  
> 
> Machinist's Workshop Mag recently published some information
> on various penetrating oils that I found very interesting. Some of
> you might appreciate this. The magazine reports they tested penetrates
> for break out torque on rusted nuts.They are below, as forwarded by an
> ex-student and professional machinist. They arranged a subjective test
> of all the popular penetrates with the control being the torque required to
> remove the nut from a "scientifically rusted" environment.
> 
> *Penetrating oils .......... Average torque load to loosen*No Oil used .................. 516 poundsWD-40 ..................... ... 238 pounds
> PB Blaster .................... 214 pounds
> Liquid Wrench ..............127 pounds
> Kano Kroil .................... 106 pounds
> ATF*-Acetone mix..........53 pounds     *ATF=Automatic Transmission Fluid
> 
>  
> 
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> 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 about 20% of the price.
> 
> 
> 
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