Errol,
That's actually pretty much what I did to check the bumpteer last time -
except I took to the steering arms with the gas axe to adjust it. Worked
really well, but I want to get the car all legal soon, so the heated arms
will have to go (I had them "normalised etc. after I bent them). If I could
move the pivot points to obtain the same effect it would be good.
'later
PL
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Errol Smith
Sent: Wednesday, 23 August 2000 21:32
To: [EMAIL PROTECTED]
Subject: Re: Front suspension for racing
Pete,
If it means the pivot point of the arm and the tie rod are moving about a
common axis, Yes.
If the tie rods remain in the same position and the arm pivots are moved
upwards, this could make things worse depending on the rate of spring used
and as a result the degrees of arc the arm moves through under bump or
droop.
If you really want to see if you have bump steer. make up some straight
lengths of timber and connect to a heavy object to hold the timber in
position against the wheel, horizontally below the wheel centre line. Run a
string line along the line of the timber to establish the direction the
timber is pointing.
Jack the cross member up 50mm and let it return to rest. Check the pieces
of wood for movement from their original position. If the pieces of wood
have moved from their original line, you have bump steer.
Then get 2 or 3 persons to press down or sit on the guards and bonnet of
the vehicle sufficient to cause the suspension to become lower at rest.
Check the boards again for movement from the original line.
Cheers
Feral Errol
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