Re: Torsion Bars

[neal zimmerman <neal.zimmerman@xxxxxxxxx>]

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well on one end a hex face  sits nice and flat to the floor, on the
opposite end  the hex end rests on a point, not a flat face,  (  just
for  a word , lets call this dis-equilibrium) but i still dont get it,
  how do u know which direction it twists to acheive that
disequilibrium, it could be twisting either way to acheive that.
  neal zimmerman, eugne oregon

On 6/29/09, Gary H. <spigot2039@xxxxxxxxxxx> wrote:
>
> Think of the torsion bar as a coil spring that has been straightened; "a
> length of spring steel that consistently returns to its original position
> after being distorted (twisted), as its main, weight-bearing spring. One end
> of the bar is held in place firmly to the chassis while the other end is
> attached to a perpendicular lever that attaches to the axle, suspension arm,
> or spindle. Vertical motion of the axle causes the torsion bar to twist
> around its axis and is resisted by the bar's torsion resistance. The spring
> rate of this style of suspension system is determined by the length and
> diameter of the bar and by the length of the fulcrum points of the arm."
> http://www.streetrodderweb.com/tech/0902sr_putting_torsion_bars_on_a_hot_rod/index.html
>
> Do you notice a difference in the stationary end vs. the end that twists?
>
> Thanks,
> Gary H.
>
>
> -----Original Message-----
>> Interesting , Gary can u expand on that, what does a" 30 degree left
>>handed twist look like" I have a set laying here on the floor and I
>>would like to check this out.
>>  neal zimmerman, eugne oregon
>>
>>On 6/29/09, Gary H. < > wrote:
>>>
>>> Yup, torsion bars only twist in one direction. <"Come on baby lets do the
>>> twist!">
>>>
>>> "Mopar torsion bars are preset at the factory in the direction of use.
>>> You
>>> can observe this preset by laying the bars down on a flat surface and
>>> observing how the bar is twisted. The driver’s side bars will have a 30
>>> degree right hand twist. A passenger side bar will have a 30 degree left
>>> handed twist. Pre-setting the bars in this manner improves the load
>>> carrying
>>> capacity in the pre-set direction. But, the load carrying capacity is
>>> reduced in the other direction of twist. This is why it is so important
>>> to
>>> get the bars installed on the correct side of the car."
>>> http://www.arengineering.com/articles/tbartango.html
>>>
>>> Also see
>>> http://www.1962to1965mopar.ornocar.org/ml-mopar-torsion-aire-suspension.html
>>>
>>> Thanks,
>>> Gary H.
>>>
>>> -----Original Message-----
>>>
>>>>
>>>>I don't believe they can go on either side. Has to do with the twist when
>>>> they're made.Can someone confirm this?
>>>>George
>
>
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