Keep in mind as well that the tension changes based on whether the car
is on the wheels or on a lift.

 
Mark S. Lindsey, AIA
Principal
 
Baskervill 
architecture + engineering + interior design
 
804 343 1010       P.O. Box 400        Ship to or visit     
fax 343 0909         Richmond, VA      101 S 15th St         
baskervill.com      23218 . 0400        Ste 200 . 23219   
 
ask + listen + create
 
 

-----Original Message-----
From: Art [mailto:[EMAIL PROTECTED] 
Sent: Monday, April 02, 2007 2:29 PM
To: [email protected]
Subject: RE: [F500] Autox and belts

Chris,

I replied to you on the eformulacarnews forum but just to rehash it
here, I
use a "racing" type belt for my solo car like you. It is 36mm wide.
Never
had a breakage problem in the 11 years it has been on the car. It has
gone
through many, many autox starts without a problem.  Perhaps your belt
had
damage that you didn't see. Perhaps a pebble got caught up in the belt
and
caused the failure. There could be many explanations beyond the width of
the
belt causing a problem.

Did you get a "ratcheting" of the belt when you left the line? If you
did,
then your belt needed adjustment and that's why it broke. Was it aligned
properly? Did a foreign body get caught up in the belt? All questions
that
could lead to an answer on the failure. I wouldn't be so quick to go
with a
wider belt until I put a new 36mm belt back on, adjusted it right, and
made
sure that everything else was correct. 

Just my 0.02 :-).

Art 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Christopher Eveland
Sent: Monday, April 02, 2007 9:42 AM
To: [email protected]
Subject: [F500] Autox and belts

Hi all-

I took the Red Devil to its first autox yesterday, and ran into a little
snag: I broke the drive belt (is that what we call the one that isn't
part
of the CVT?) on my second run.  It broke somewhere near the start... I'd
guess on a rational level that it broke on the launch, but I swear I had
power for at least the 1st 20 feet, and I did get up enough speed to
coast
well off the course.

Anyway, I have a spare belt, so I can replace that, but I'm wondering if
there is any autox specific trick that should be employed to keep this
from
happening again.  Different tension? Driver adjustments?

Thanks for the tips,

-Chris


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