Eagle 997 Aero Details
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Here's two photos repeated from the David
Bruns page of the Long Beach report.
This photo shows the right side of the Eagle 997 in road-course
trim. The fairing in front of the rear tire is interesting as
is the notch in the top of the rear-wing end plate.
This rear view shows the engine and turbocharger waste gate
exhaust openings high on the sides of the engine cover instead
of down next to the diffuser as in other chassis designs.
This left-side photo of the Eagle in speedway trim shows the
small wings required by CART rules for one-mile ovals and speedway
tracks. Notice the small vane on the outer shoulder of the front
of the sidepod. This also shows the relatively open underwing
inlet compared to the other chassis.
A detail of the fairing in front of the rear tire.
It took me a while to figure this out and I might still be
wrong. This is the right side of the sidepod below the engine
cover. The front opening is a scoop for engine air. The turbocharger
compressor is mounted there just inside the engine cover. Behind
that scoop this device is concave leading to another inlet. I
think this acts like a NACA duct spoiling air into an inlet for
cooling air for the elevated exhaust system. The engine inlet
scoop has some drag penalty but putting that other inlet behind
it might increase cooling flow without any additional drag. Very