[tcb] Re: that wierd noise
- From: Will Wood <evilscientistboo@xxxxxxxxxxxxx>
- To: tcb@xxxxxxxxxxxxx
- Date: Fri, 21 Jul 2006 15:14:40 -0500 (GMT-05:00)
LOL, not forgetting the weight of a European Swallow...
What we haven't mentioned here is the fact that when you're applying the torque
to the nut, do you have the bus anchored enough to keep it from rolling?.. ;-)
-----Original Message-----
>From: "Gerald V. Livingston II" <gvl2@xxxxxxxxxxxxx>
>Sent: Jul 21, 2006 2:35 PM
>To: tcb@xxxxxxxxxxxxx
>Subject: [tcb] Re: that wierd noise
>
>If someone's feet come off the ground -- yes.
>
>Now, the thing about LONG cheater pipes is that you have to start factoring
>in the weight of the pipe too. Take a 10' long section of 1-1/2" "black
>iron" pipe, put one end on the groud, and lift the other end with a spring
>scale (fish weighing scale). You might have 10 lbs of weight at the far end
>before you even touch it. At 10' long that's 100 ft/lbs of torque if you
>just put it on the nut and let go. So, you have to subtract that from the
>calculations and move in a little closer to the nut to compensate. And you
>don't just subtract the 10 lbs from your own weight. You subtract the
>torque the pipe is applying from the required torque and recalculate your
>distance from that.
>
>So, 300lb man using a 10' pipe that weight 10 lbs at the far end needing to
>torque a nut to 250 ft/lbs
>
>is -- 300 lb man needing to torque a nut to 150 ft/lbs
>
>needs to be 6" from the nut with his feet off the ground.
>
>If the pipe weighed nothing he would have to be 10" from the nut with his
>feet off the ground. [(250/300)*12].
>
>It "went away" during one of my moves but I had a 4' pipe that fit over my
>3/4" drive breaker bar that I had tape marks for Beetle and Bus rear axle
>nuts and Type-1 gland nut torque when I weighed 210. Masking tape and a
>sharpie. I could just grab the pipe and go without even thinking about it.
>
>On Fri, 21 Jul 2006 11:56:08 -0700 (PDT) Mark Sawyer
><mechmark@xxxxxxxxxxxxx> wrote:
>
>> So, If someone weighs 300 pounds and uses a 5 foot cheater pipe,
>> is that the equivalent of 1500 pounds of torque?
>
>> Will Wood <evilscientistboo@xxxxxxxxxxxxx> wrote:
>
>> Tighten it till it snaps, then back it off a half turn. ;-)
>
>> If don't have a BFTR then you can always be like me.. Weigh yourself on a
>> scale, one foot lb of force is the force generated from one foot away from
>> the center point using one pound of force. Using leverage, you double the
>> force for two feet etc. So if you weigh 150lbs you can stand on the end of
>> a craftsman breaker bar two feet from the center of the socket and you have
>> applied 300 foot lbs of force to the nut.
>
>> This gets you home as it were. Another thing to mention is that over the
>> years, you can develope burrs and corrosion between the axle and the
>> bearing, so I will torque the axle nuts, drive it for 40-50 miles and then
>> re-check and tighten as necessary.
>
>>
>> -----Original Message-----
>> >From: "Gerald V. Livingston II"
>> >Sent: Jul 21, 2006 2:30 PM
>> >To: tcb@xxxxxxxxxxxxx
>> >Subject: [tcb] Re: that wierd noise
>> >
>> >Now, get your BAW and go out there and TAKE THAT NUT BACK OFF!!!
>> >
>> >I'm surprised no one else has mentioned this.
>> >
>> >Read this: http://www.type2.com/bartnik/torque.htm
>> >
>> >I don't have the specs handy but I think the torque for an IRS bus rear
>> >axle nut is suposed to be 267 ft/lbs.
>> >
>> >Tighten it more than that and you will destroy your bearings (and possibly
>> >other bits and oieces, I'd have to look at a diagram) within a few thousand
>> >miles.
>> >
>> >VW wrote the torque specifications for a reason. I've met you and your Dad.
>> >Like me, you are ... not gravity friendly. ;-)
>> >
>> >Both of you on the end of a wrench or cheater pipe more than 1 foot long
>> >would definitely over torque that nut. Me, alone, would have to use a 14"
>> >handle for 267 ft/lbs.
>> >
>> >On Thu, 20 Jul 2006 20:31:16 -0500 Brian Denning
>> > wrote:
>> >
>> >> back i noticed the axlenut was just about to fall off. so i hand tighten
>> >> it
>> >> because i have no wrenches with me and drive 10mph stopping every minute
>> >> to
>> >> tighten the nut. finally i run into this guy planting flowers and ask him
>> >> if
>> >> he has a pipewrench or something and he does so i tighten it. then he
>> >> whips
>> >> out this 1/4 inch thick 3" pipe and says here is some leverage for you so
>> >> i
>> >> litterally raise my self up off the ground then i roll the bus forward
>> >> and
>> >> get another good full turn on it and he then gives me a carter pin and
>> >> says
>> >> bet you need one of these too. so i put the new pin in and off i go still
>> >> limping it because i am scared out of my mind that the wheel will fall
>> >> off
>> >> at any moment. get to my dads house pull the pin and tighen it a bit but
>> >> not
>> >> much so i get him to help (for those who have seen my dad, he isn't a
>> >> small
>> >> guy). we both put our weight on it to get the nut to where i can put the
>> >> pin
>> >> back in.
>> >
>> >
>
>
>
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