Sky Trekker 1 Coaxial Helicopter

The Sky Trekker 1 Coaxial Helicopter is an unusual coaxial helicopter that found it’s first incarnation fitted with a 1987 Chevy Sprint Suzuki engine mounted vertically that used a mechanical belt drive to a turbo charger – like a DIY supercharger before the coaxial helicopter moved away to using a right angle gearbox and mounting the engine in the traditional horizontal manner.

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