Re: [alfa] Re: torque wrench

["Paul Bayly" <thebaylys@xxxxxxxxxxx>]

I work on aircraft and we buy the best torque wrenches we can get.  They are
regularly calibrated and I'd guess that at least 50% require adjustment.
So, you might not necessarily get what you pay for !!

Beatle
Oz
----- Original Message -----
From: "Jon Pike" <jhpike@domain.elided>
To: <alfa-digest@domain.elided>
Sent: Friday, February 06, 2004 10:33 AM
Subject: [alfa] Re: torque wrench


> Well, while parts gathering for my big adventure last year,  I picked up
> a pair of Harbor Freight $12 specials (sale price)  Got the 1/2" and
> 3/8" drives.
>
> Then, I had that ol' paranoid feeling wash over me..  thinking I was
> going to rebuild an engine and much of the rest of the car with a $12
> torque wrench?  At the place I was working,  we had a calibrated,
> digital force gauge that would read out to 0.1 pound.  So I brought the
> wrenches to work, measured out the 12" mark on them,  clamped their
> drives in a bench vise and checked the calibration of the dial by
> pressing with the gauge at the 1ft mark till the click.
>
> Surprise, surprise!  These fine pieces of Chinese Low Cost Engineering
> claimed +-4% accuracy, and darned if they were at least that good!!  I
> was kind of amazed...   I went ahead using them, and felt better about it.
>
> Now,  I'm not guarenteeing that you could buy one and expect it to be
> the same..  or if mine will stay in cal for any great stretch of time..
> but that's the results I had with the ones I bought.
>
> Now, if only I could find a decent force gauge cheap,  for the home
> garage...
>
> Jon
> 77 Spider  (up to 450 miles now..  nearly time for oil, torqing, and a
> somewhat higher RPM limit!!)
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