
In the weeks after Senna's crash, reports
circulated in the Brazilian press to the effect that moments
before impact the Williams' two front wheels were pointing in
different directions, as if a tie rod or suspension part had
failed.
As the following frames show, the conclusion
is not without some foundation. These images were downloaded
using the CINECA site's video player (which provides slightly
better image quality than the more commonly seen mpeg file) and
may be therefore verified as unaltered.
In the first photo, as the car leaves
the track, the front wheels appear normal. They are roughly the
same profile and color, suggesting the light is being reflected
similarly from them, as one would expect.
In subsequent images, however, the left
wheel becomes considerably darker and more round than the right,
as if it is now pointed inward at an extreme angle while the
other remains nearly straight.
In some tapes, both front wheels appear
to be turned inward in snow-plow fashion as the car nears the
wall. While videos can be deceptive, the RAI master copy would
be revealing.
Court proceedings have focused on the
steering column, which does indeed appear to have suffered a
fatigue failure, but the outcome is in no way certain.
Prosecution experts will claim the failure
caused the crash; defense experts will maintain that though there
is fatigue, the final break was a result of the impact.
Both sides will claim the same photos
and evidence support their positions.
Whether metal fatigue was the actual
cause remains unknown. There have been a number of crashes at
Tamburello, all caused by mechanical or tire failure.
For those dependent upon the English-speaking
press for their information, however, facts, photos and analysis
available in other countries (and The Senna Files) are conspicuous
in their absence.
Only in that type of environment can
rumors like the one suggesting Senna became unconscious or passed
out exist.
Renault telemetry, including the frame
which the CINECA site says is from the moment of failure, shows
that is impossible.
That particular sampling is actually
moments afterward, but the conclusion is inescapable. Senna has
diagnosed the problem and is braking so hard that the car is
decelerating at a near-maximum -3.75g's.
He is clearly conscious and attempting
to control the car.
The simple fact is that no one stands
to gain anything in the Senna trial, but many have much to lose
© 1997 Rick Miller

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