April 2017


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…









Spider Helicopter Design

Redback Aviation’s original design Spider Helicopter is one of two helicopters that were in the works but as sometimes things go, lack of time and…