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Re: Torque wrench extension calculations #483977 08/24/04 04:43 AM
Joined: Feb 2004
Posts: 10,238
FrankR Offline
Web Wheeler
****
Scotty -

I wouldn't worry about the embarrasment part - I just went back and re-read the entire thread from the beginning and found several things I said that were incorrect. And I won't point fingers in other directions that may also be deserving of "honorable mention". <img src="/forums/images/graemlins/lol.gif" alt="" />

Heck, the nice thing about it is that you challenged me enough for me to give myself a refresher course that I found very -well - refreshing. <img src="/forums/images/graemlins/lol.gif" alt="" />

Anyway, my day was good - I got Sears to replace my 2 month old 3/8" drive torque wrench (the dial became unreadable) with a new one. No questions asked... well, maybe a few. I walked in, put the wrench on the counter with the receipt and said "I've got a problem with this wrench and hope you can help". She got sorta defensive and started off by saying "We don't calibrate those here." So instead of telling her the real problem, I started explaining why it wasn't accurate with an extension...... the poor woman's eyes sorta glazed over and finally she said... "Mister, why don't you just go on over to the rack and pick out another one." <img src="/forums/images/graemlins/lol.gif" alt="" />

I did thank her kindly for her generous consideration of my predicament. <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" />

Frank <img src="/forums/images/graemlins/cheers.gif" alt="" />


'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
Re: Torque wrench extension calculations [Re: FrankR] #483978 08/24/04 04:49 AM
Anonymous
Unregistered
ROTFLMAO <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" />

Re: Torque wrench extension calculations [Re: FrankR] #483979 08/24/04 05:29 AM
Anonymous
Unregistered
Frank, I too let the contents of this thread escape their binary home here. I sent a copy of my first post, containing my shiny new, freshly minted formula, to my Stanford graduate-degreed brother-in-law. Actually I sent it to my sister with instructions to show it to him. I hoped against hope they would inadvertantly delete it,but no, I checked my email today and see her reply that "sorry I took so long to reply but I'll get it right to him"....arrggghhh. I just shot off an email to her to destroy previous email and if at all possible DO NOT show brainy brother-in-law my gaffe. <img src="/forums/images/graemlins/lol.gif" alt="" /> I don't hide my goofs, I'd rather tell him in person so I can take his shots at me like a man. <img src="/forums/images/graemlins/shiner.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" />

Scotty

Re: Torque wrench extension calculations #483980 08/24/04 09:36 AM
Joined: Oct 2003
Posts: 183
mag00 Offline OP
Wheeler
Quote
Here's the example that set the stake in my heart.Two foot effective length torque wrench.Six inch extension.One hundred ft/lbs indicated on wrench scale.Now I know it takes a 50 lb pull to get that 100 lb indicated.I also know that my wrench and extension together act just like a solid bar,there's no magic happening at the juncture of the two.Therefore,a 50 lb pull on a 2.5 foot lever equals 125 ft/lbs of torque.Frank's formula predicts 125 ft/lbs. My POS predicts 150 ft/lbs.Somehow 50 lbs on a 2 foot lever does not equal 100 lbs. on a 1 foot lever.


A winch out the door cost $1000 tax included. The tax rate was 10%
How much did the winch cost before tax? x+.1x=1000 or $909.09 not $1100. $1000+10% of $1000 and not $1000-10%of 1000 (900)

100 ft lbs of torque delivered via 2' torque wrench = 100 lbs on a 1 foot lever. KISS. <img src="/forums/images/graemlins/coolg.gif" alt="" />

Anyway, 4 guys drinking beer and are running low, I'll fly if you buy says one. The other three each chip in $10 for beer and munchies. The total at the store was $25. The driver then gives $1 to each of the three who chipped in and put $2 in is pocket.

Well do the math, each guy chipped in $10 and got $1 back each giving $9 apiece, for a total of $27 and the driver kept $2, for a combined total of $29. Where did the other buck go? [Linked Image][Linked Image]

The first (winch) is real math, the second (munchies) is fuzzy math.

Math doesn't lie, just follow the axoms.

BTW God can be proven mathematically, Rent the movie Pie. <img src="/forums/images/graemlins/evil.gif" alt="" />


http://zywie.com
Zywie's Law: If anything can go right, it will go right, and at the best possible time.
Re: Torque wrench extension calculations [Re: mag00] #483981 08/24/04 04:39 PM
Joined: Jan 2001
Posts: 13,649
fasteddy Offline
Web Wheeler
*****
But what if the axioms are false to fact? Look up Olber's Paradox sometime. He "proved" with impeccable mathematics that we should fry from the amount of starlight falling on the earth. Too bad he was before Hubble (the man, not the astigmatic telescope).


Not responsible for advice not taken...
Re: Torque wrench extension calculations [Re: mag00] #483982 08/24/04 04:41 PM
Anonymous
Unregistered
Quote
Here's the example that set the stake in my heart.Two foot effective length torque wrench.Six inch extension.One hundred ft/lbs indicated on wrench scale.Now I know it takes a 50 lb pull to get that 100 lb indicated.I also know that my wrench and extension together act just like a solid bar,there's no magic happening at the juncture of the two.Therefore,a 50 lb pull on a 2.5 foot lever equals 125 ft/lbs of torque.Frank's formula predicts 125 ft/lbs. My POS predicts 150 ft/lbs.Somehow 50 lbs on a 2 foot lever does not equal 100 lbs. on a 1 foot lever.


Quote
100 ft lbs of torque delivered via 2' torque wrench = 100 lbs on a 1 foot lever. KISS. <img src="/forums/images/graemlins/coolg.gif" alt="" />


Not when it's hooked to a 6" extension. I hope your challenge to the first quote is semantic in nature. IASSS (I)t (A)in't (S)o (S)imple (S)tupid

Also, I know we don't quibble about spelling but, isn't the name of the movie "Pi"?

Scotty

Re: Torque wrench extension calculations #483983 08/24/04 08:13 PM
Joined: Oct 2003
Posts: 183
mag00 Offline OP
Wheeler
Their was once a man named Gallileo and a guy named columbo. The earth is flat and the universe revolves around it.

Keep believing and repeating a lie and it becomes the truth.

Pick the formula you are most comfortable with and the hell with the truth.

Believe what you will, let me remind you that I started this thread looking for the correct formula, I believe scotty supplied it, it has not been effectively reputed and thus it still stands.

If you all are satisfied agreeing on whatever the formula your agreeing upon, that no-one is willing to post again, fine so be it, have a ball.


<img src="/forums/images/graemlins/butwiggle.gif" alt="" /> <img src="/forums/images/graemlins/butwiggle.gif" alt="" /> <img src="/forums/images/graemlins/butwiggle.gif" alt="" /> <img src="/forums/images/graemlins/nana.gif" alt="" /> <img src="/forums/images/graemlins/nana.gif" alt="" /> <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />

Not many people catch my sarchasm so don't feel bad <img src="/forums/images/graemlins/kewl.gif" alt="" />


http://zywie.com
Zywie's Law: If anything can go right, it will go right, and at the best possible time.
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