What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

I have a torque wrench and want to use it to torque the spark plug
properly. The instruction calls for torquing it to 20-feet-pound.
When I read the torque rating of other fittings, I came across some
rating as 60-inch-pound. What's difference between the "feet pound"
rating and "inch pound" torque rating? Which rating the torque wrench
is supposed to use? The instruction manual of the torque wrench
doesn't say anything about this, and the rating imprinted on the wrench
simply says "Pounds". Is 60-inch-pound the same as 5-feet-pound
(60/12=5)?

Thanks in advance for any info.

Yes, I know that the torque rating is for dry thread, not for thread
that has been coated with anti-sieze compound. I have already read the
past posts about this. Thanks anyway.

Jay Chan

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

wrote in message
ups.com...
I have a torque wrench and want to use it to torque the spark plug
properly. The instruction calls for torquing it to 20-feet-pound.
When I read the torque rating of other fittings, I came across some
rating as 60-inch-pound. What's difference between the "feet pound"
rating and "inch pound" torque rating? Which rating the torque wrench
is supposed to use? The instruction manual of the torque wrench
doesn't say anything about this, and the rating imprinted on the wrench
simply says "Pounds". Is 60-inch-pound the same as 5-feet-pound
(60/12=5)?

Thanks in advance for any info.

Yes, I know that the torque rating is for dry thread, not for thread
that has been coated with anti-sieze compound. I have already read the
past posts about this. Thanks anyway.

Jay Chan

This should help:

http://www.srtorque.com/torqcon/tcip.html

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

Gene wrote:
On 16 Oct 2006 09:39:16 -0700, "
wrote:

I have a torque wrench and want to use it to torque the spark plug
properly. The instruction calls for torquing it to 20-feet-pound.
When I read the torque rating of other fittings, I came across some
rating as 60-inch-pound. What's difference between the "feet pound"
rating and "inch pound" torque rating? Which rating the torque wrench
is supposed to use? The instruction manual of the torque wrench
doesn't say anything about this, and the rating imprinted on the wrench
simply says "Pounds". Is 60-inch-pound the same as 5-feet-pound
(60/12=5)?

Thanks in advance for any info.

Yes, I know that the torque rating is for dry thread, not for thread
that has been coated with anti-sieze compound. I have already read the
past posts about this. Thanks anyway.

Jay Chan

Yes.

One foot pound = 12 inch pounds.

60 inch pounds is 5 foot pounds.... and you will probably need a 1/4"
drive torque wrench to do that....
--


Grady-White Gulfstream, out of Southport, NC. http://myworkshop.idleplay.net/
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Thanks for pointing out that 60-inch-pounds is the same as
5-feet-pounds. Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

Mine is a 3/8" torque wrench. I guess I will not be able to use it to
torque to such a low torque rating. I guess I am better off using the
trick of "turn 1/4 turn more after it has already been tight" instead
of buying another torque wrench.

Jay Chan

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

ACP wrote:
wrote in message
ups.com...
I have a torque wrench and want to use it to torque the spark plug
properly. The instruction calls for torquing it to 20-feet-pound.
When I read the torque rating of other fittings, I came across some
rating as 60-inch-pound. What's difference between the "feet pound"
rating and "inch pound" torque rating? Which rating the torque wrench
is supposed to use? The instruction manual of the torque wrench
doesn't say anything about this, and the rating imprinted on the wrench
simply says "Pounds". Is 60-inch-pound the same as 5-feet-pound
(60/12=5)?

Thanks in advance for any info.

Yes, I know that the torque rating is for dry thread, not for thread
that has been coated with anti-sieze compound. I have already read the
past posts about this. Thanks anyway.

Jay Chan

This should help:

http://www.srtorque.com/torqcon/tcip.html

Thanks for the conversion table. This means 60-inch-pounds is the same
as 5-feet-pounds. Sounds like this torque rating is quite commonly
used.

Jay Chan

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

"Gene Kearns" wrote in message
...
On 16 Oct 2006 10:31:35 -0700, penned the
following well considered thoughts to the readers of rec.boats:



Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

No.... don't make that assumption.

Good advice. In dentistry, we tighten implant abutments to 35 N-cm. 1
lb-ft equals 135.5818 N-cm. If I assumed lb-ft when the manufacturer said
"tighten to 35", I'd wrench the patient's head off.

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

"NOYB" wrote in message
link.net...

"Gene Kearns" wrote in message
...
On 16 Oct 2006 10:31:35 -0700, penned the
following well considered thoughts to the readers of rec.boats:



Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

No.... don't make that assumption.

Good advice. In dentistry, we tighten implant abutments to 35 N-cm. 1
lb-ft equals 135.5818 N-cm. If I assumed lb-ft when the manufacturer said
"tighten to 35", I'd wrench the patient's head off.




Welcome back. Where have you been?

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

Is 60-inch-pound the same as 5-feet-pound
(60/12=5)?


YES

-W

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

" JimH" not telling you @ pffftt.com wrote in message
. ..

"NOYB" wrote in message
link.net...

"Gene Kearns" wrote in message
...
On 16 Oct 2006 10:31:35 -0700, penned the
following well considered thoughts to the readers of rec.boats:



Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

No.... don't make that assumption.

Good advice. In dentistry, we tighten implant abutments to 35 N-cm. 1
lb-ft equals 135.5818 N-cm. If I assumed lb-ft when the manufacturer
said "tighten to 35", I'd wrench the patient's head off.




Welcome back. Where have you been?

Boating. Fishing. Working. Hawaii. Boating. Fishing. Working. Boating.
Fishing. Working.

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

NOYB wrote:
" JimH" not telling you @ pffftt.com wrote in message
. ..

"NOYB" wrote in message
thlink.net...

"Gene Kearns" wrote in message
...

On 16 Oct 2006 10:31:35 -0700, penned the
following well considered thoughts to the readers of rec.boats:



Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

No.... don't make that assumption.

Good advice. In dentistry, we tighten implant abutments to 35 N-cm. 1
lb-ft equals 135.5818 N-cm. If I assumed lb-ft when the manufacturer
said "tighten to 35", I'd wrench the patient's head off.




Welcome back. Where have you been?


Boating. Fishing. Working. Hawaii. Boating. Fishing. Working. Boating.
Fishing. Working.



translation... gearing up to mine the mouths of the soon to arrive
Snowbirds.

What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
 

"Don White" wrote in message
...
NOYB wrote:
" JimH" not telling you @ pffftt.com wrote in message
. ..

"NOYB" wrote in message
rthlink.net...

"Gene Kearns" wrote in message
m...

On 16 Oct 2006 10:31:35 -0700, penned the
following well considered thoughts to the readers of rec.boats:



Now, I am wondering if the pounds-rating of my torque
wrench is in term of inch-pounds or feet-pounds. It doesn't say. Is
this something supposed to be "understood" like "if it doesn't say, it
must be feet-pounds"?

No.... don't make that assumption.

Good advice. In dentistry, we tighten implant abutments to 35 N-cm. 1
lb-ft equals 135.5818 N-cm. If I assumed lb-ft when the manufacturer
said "tighten to 35", I'd wrench the patient's head off.




Welcome back. Where have you been?


Boating. Fishing. Working. Hawaii. Boating. Fishing. Working. Boating.
Fishing. Working.



translation... gearing up to mine the mouths of the soon to arrive
Snowbirds.

I bagged a couple over the past week. That snowstorm sent a bunch of them
fleeing south to the warmer weather. Still no Canadians though. ;-)