GMC Firebird III, 1959 Firebird III | Conceptcarz.com - Pictures, Pricing, Information, Wallpaper, History

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The two-passenger Firebird III features a double bubble cockpit, multiple winglets and a toned-down power plant guided by an aircraft-inspired control system. Dual power sources – a primary 225-horsepower Whirlfire GT-305 gas turbine engine and a two-cylinder 10-horsepower gasoline engine which runs the accessories – power the Firebird III. Perhaps the most interesting feature of the Firebird III is the Unicontrol. The console-mounted knob allows both the driver and passenger to control steering, accelerating and braking, all with a twist of the wrist.

Source - GM