The longer you can make it, the better it works.
The combo anti-tramp bar and panhard rod is not as good as either - it
introduces a
jacking force that a real panhard rod doesn't. Mind you, if the combo bar
was totally
horizontal, the jacking force would be eliminated. One deficiency you can't
remove is
the short arm length. The short arm length ensures that there will be more
horizontal
axle displacement with body roll.
You can see this yourself by swinging a pencil on two lengths of string. one
the width of
a sprite, one half the width of a sprite. For the same same vertical
displacement, you'll
see a larger angkle and larger horizontal displacement with teh shorter
length. Since the
primary aim of the panhard rod is to eliminate this horizonal movement, you
can see why
the conventional rod is a better bet.
The other disadvantage of the combo bar is that you don't have the abolity
to adjust the
rear roll centre of the car. On a solid rear axle car like the sprite, the
normal roll center is the
axle axis. With a panhard rod, the centre is the height of the panhard rod
at the centre line
of the car. Most folk lower the roll center this way.
As for dimensions, wessentially anything that fits under the car will be OK.
I have a homemade
panhard rod that I have already promised to draw up and post. I should get
around to doing it!!!
Getting rose joints should be easy - any bearing supply place should have
them. If your local
guy doesn't, he should be able to point you in the right direction. Failing
that, any racing goodies
shop or aviation supply place will have them.
Mike
----- Original Message -----
From "rob thomas" <rob at thomasr.greatxscape.net>
To: "spridgets" <spridgets@autox.team.net>
Sent: Friday, January 21, 2000 6:14 AM
Subject: Panhard Rods. How?
> Does anyone know if there are any particular dimensions that must be
adhered
> to when making up a Panhard Rod? I've seen a car with a kit that ran a
rod
> from one rear shock/axle bracket to a fabricated point on the middle of
the
> car, close to the handbrake adjustment. If the car was looked at from a
> side view, would the bar have to run parallel to a line running from the
> axle/spring joint to the spring/chassis pivot bolt? Presumably it could
do
> the work of an Anti-tramp bar to a certain extent. Where can I get the
> "Rose joints" in the U.K? (The Hangar at work has to scrap them).
>
>
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