Neil,
If I'm not mistaken Mercedes discovered the same phenomenon at LeMans 2 or
three years ago with two of their cars "blowing over" as they crested rises
in the track at speed. I guess it happens to the best.
Howard
----- Original Message -----
From: "Albaugh, Neil" <albaugh_neil@ti.com>
To: "'DrMayf'" <drmayf@teknett.com>; "Dave Seely" <dseely@sginet.com>; "W S
Potter" <wester6935@attbi.com>; "Dan Warner" <dwarner@electrorent.com>;
"land speed" <land-speed@autox.team.net>
Sent: Wednesday, August 21, 2002 9:22 AM
Subject: RE: Trucks & roof rails
> "..as to the low side flip, air gets under the car and..."
>
> It happens from the front, too. Back in the days of the original Can-Am
> series, the very powerful, fast, lightweight cars had unprecidented
> performance and a new phenomenon surfaced... under hard acceleration,
those
> mid-engine cars had so much traction (60% rear weight bias and BIG stickey
> tires) and torque (mostly aluminum BIG- block Chevys) that they could
raise
> the nose of the car (wheelie). When this happened at high speed, that was
> enough to suddenly go from aerodynamic downforce on the nose to lots of
> lift-- and voila! up the nose came and the whole car flipped over
backwards!
>
> The first one to find out about this was a British driver named Hugh
Dibbley
> (sp?). He got on the throttle hard just as his car reached the crest of a
> hill and the result of that created the phrase "he did a Dibbley"
>
> Just a tidbit of info from the past.
>
> Regards, Neil Tucson, AZ
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