Re: Spark plug socket

[gator@xxxxxxxxxxxxxxx]

If you use a good quality torque wrench correctly I think you will find
that accuracy is much closer to +/- 4%.
But that requires you know how to use the correct (as in have more than
one) torque wrench.
Gator in Dallas

> gator@xxxxxxxxxxxxxxx writes:
>  > Just my .02 but I think that is the most rediculass thing I can think
> of.
>
> Hmmm, you might be surprised.   There's a table on page 1404 of
> Machinery's
> Handbook 25 that notes the accuracy of bolt preload methods.  They list:
>
> By feel +/- 35%
> Torque Wrench +/- 25%
> Turn-of-nut +/- %15%
> Preload indicating washer +/- 10%
> Strain Guages +/- 1%
> etc.
>
>  > Might be a good gouge when you don't have a torque wrench, as is the
> tool
>  > kit when you don't have real tools..
>
> If the handbook is to be believed the turn-of-nut method is more accurate
> than a typical torque wrench (when both are used by a typical mechanic :-)
>
> // marc

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