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1984 "RL Shuttle replica"
The 1984 US-Nats were held at Elmsford, and this being a high-speed track it broke ground for a new generation light-weight cars.
The Shuttle was basically a normal steel frame, but with the pans removed.
This Rolf Lundberg design also featured "inside-gear".
Motor is a Koford Feather.
(This chassis was actually not built in 1984, but several years later.)