US rear sway bar / anti roll bar history
US rear sway bar / anti roll bar history
(OP)
I'd been thinking that the first factory installation of a rear anti-roll bar was around 1964 in the Olds 442 and possibly Studebaker Avanti.
Recently I read that the 1955 Studebaker Speedster had an ARB fitted from the factory.
Anybody know the truth?
Dan T
Recently I read that the 1955 Studebaker Speedster had an ARB fitted from the factory.
Anybody know the truth?
Dan T





RE: US rear sway bar / anti roll bar history
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RE: US rear sway bar / anti roll bar history
This guy'll know about the Studebaker
http://www.rustyrestorations.org/gallery2/main.php
Cheers
Greg Locock
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RE: US rear sway bar / anti roll bar history
Where does he specify "made in USA"
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RE: US rear sway bar / anti roll bar history
http://ww
No sign of a rear sta bar. Also graphic evidence as to why one wouldn't work - the torsional stiffness of that frame would be very low indeed.
Cheers
Greg Locock
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RE: US rear sway bar / anti roll bar history
The pre-62 Studebaker Hawks apparently had no X member.
Not sure about rear ARB yet
http:
Legend has it the "coupe" hawks were more solid than the hard top hawks, perhaps confirming that, intentionally or not, the body contributed to the structure.
The Avanti had a rear ARB, an X member, and looks to be a batch more body mounts, but of course the fiberglass body
http:/
RE: US rear sway bar / anti roll bar history
I just read the heading.
Clearly says US.
I will go sit in the corner for a while.
Regards
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RE: US rear sway bar / anti roll bar history
That X through the centre is a vitally important part for the torsional stiffness.
However, it looks to be an I beam, a rather curious choice for a torsion member - it does actually work in bending, but if you are chasing torsional stiffness, and they weren't as you can see from the other details, you make everything out of box and tube.
Cheers
Greg Locock
SIG:Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips.
RE: US rear sway bar / anti roll bar history
Wow!! Many thanks to everyone. My company manufactures this product, and I have showed the pictures and everything to my mates.
Very, very interesting.
And, on a side note, I like the Studebaker, what a cool car!!
RE: US rear sway bar / anti roll bar history
RE: US rear sway bar / anti roll bar history
RE: US rear sway bar / anti roll bar history
"That X through the centre is a vitally important part for the torsional stiffness.
However, it looks to be an I beam, a rather curious choice for a torsion member - it does actually work in bending, but if you are chasing torsional stiffness, and they weren't as you can see from the other details, you make everything out of box and tube."
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My well worn copy of Lincoln Electric's "Procedure handbook for ARC Welding" has a section on designing for arc welding.
The attachment is a few sections describing X members in some configurations being subjected to bending when the main frame is being twisted. I have not done any modeling to understand if a Studebaker frame-with-X-member's geometry falls in that category.
Dan T
RE: US rear sway bar / anti roll bar history
Cheers
Greg Locock
SIG:Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips.