Re: [FWDLK] SuspensionTorsion bars
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Re: [FWDLK] SuspensionTorsion bars



ALAN

I HAVE BEEN THROUGHT THIS!!!!

The longer bar MUST BE thicker in dia to provide the identical amount of 'twist'

TORSION is directly proportional to CROSS SECTIONAL AREA.   Amount of twist is directly proportional to length

So the areas are---3.142 X 1.1 X 1.1   /4       verses   3.142 X 1.05 X 1.05   /4  

.950 sq in  verses  .866 sq in   (58 to 59)

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Lets assume the lengths are 45"  and 40" ( 58 to 59)  (but get the actuals on this!!!!!!!!!)

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The 59 bar is therefore 91%  of the 58 bar in area

THEREFORE it can be 91% as long for the same TWIST!

.91 X 45 = 41"

RESULT::::::::::41" would give the same twist---at 40" there is less 'twist' in the 59 bar

ED ECKERSON

----- Original Message -----

From: Alan Archer <slanted@xxxxxxxxxxxxxx>

Date: Saturday, May 6, 2006 9:10 pm

Subject: [FWDLK] SuspensionTorsion bars

> Is anyone on the list able to confirm which of these 2 torsion
> bars has the most tension given that:-
> (A) '58 Plymouth Belvedere 4dr hdt @ 1.100" dia' (I 1/4 hex)  
> (B) '59 Plymouth 4dr hdt @1.050" dia' (1 3/16 hex)
> Normally the thicker bar would be the stronger, but the '58 bar is
> 5" longer which will reduce the tension over the longer distance.
> Any help would be appreciated.
> Regards,
> Alan Down Under.
>
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