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Old Dec 10, 2018 | 09:53 AM
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I have to torque something that is between my 2 torque wrenches. Can I set my compressor to 30 lbs. and expect 30 ft/lbs of torque.
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Old Dec 10, 2018 | 10:10 AM
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What actual poundage do you need, and I have never heard that an air wrench will double as a torque wrench. That is 30 lbs of pressure, not 30 lbs of torque. What if the air wrench has torque multiplation in it ?

Spend the money on a torque wrench. You will use it again.
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Old Dec 10, 2018 | 10:35 AM
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30 psi does not equate to 30 ft/lbs.
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Old Dec 10, 2018 | 10:38 AM
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Originally Posted by fredk
I have to torque something that is between my 2 torque wrenches. Can I set my compressor to 30 lbs. and expect 30 ft/lbs of torque.
No !!
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Old Dec 10, 2018 | 11:01 AM
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Thanks guys, it is not an air and torque wrench. Just an air ratchet.
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Old Dec 10, 2018 | 01:29 PM
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You can probably rent a torque wrench if you need it or buy a torque multiplier or use a crows foot if it's close. Torque = force x distance so if you apply 30lb feet a few inches away you can solve for your applied torque. Say the head is 2 inches away from the fastener now 30 lbs x 1ft + 2 inches is actually 35 lb-ft when it clicks on the crows foot vs 30 say. Depending on space it may be a valid option if you have one laying around.
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Old Dec 11, 2018 | 09:57 AM
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Thanks again, I really didn't want to buy 1 that I would never use again. Called a buddy and he has 1.
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Old Dec 11, 2018 | 10:19 AM
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Never say never. It is like saying the "name" 3 times. When you say never, well, you will need it again next week, then 3 or 4 weeks later, etc.
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Old Dec 11, 2018 | 10:51 AM
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Just buy another torque wrench. Sounds like you may be wrenching more in the future... consider it an investment.
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Old Dec 11, 2018 | 11:03 AM
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What are we torquing and to how much?
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Old Dec 11, 2018 | 12:44 PM
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OP you need to do some reading regarding impact tools, compressors, the difference between ft-lbs and in-lbs.

FYI, if you set the compressor to 30 psi the impact tool would not work at all.
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Old Dec 11, 2018 | 05:15 PM
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You should be able to pick one up at that Pl;ace that advertises everywhere ( don't know if mentioning the name is allowed) for about $10. Not the best quality but they do work. Look for a Coupon. A 3/8 version will work well for 30 lbs measurement.
Barrier

Last edited by Barrier; Dec 11, 2018 at 05:19 PM.
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Old Dec 12, 2018 | 12:25 PM
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I bought one at Harbor Freight as my Craftsman broke during a head swap. I compared it to a freinds Snap On and it was just as accurate. For how long who knows lol.
IT was the click type not the one with that funky beam
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Old Dec 12, 2018 | 08:22 PM
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As we have come to notice the HF tools have a value to the occasional grassroots mech. 30 ft/lbs is nice and tight.
So rather than fret over exacting values, Pull hard on a 12" wrench and you'll be fine.
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Old Dec 13, 2018 | 09:14 AM
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I was torqueing the studs on my snowmobile track. Job is all done.
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Old Dec 13, 2018 | 01:35 PM
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Get one of these:
Amazon Amazon

Not only will it measure torque accurately using only a ratchet/flex handle, but it can be used to calibrate an extisting torque wrench.
I have three torque wrenches of overlapping capacities, but since getting this device I seldom use the torque wrenches if I only have one or two fasteners to torque ....just use this and a flex handle. No adjusting a torque wrench and then backing it off again.

Last edited by rocco16; Dec 13, 2018 at 02:42 PM.
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