Design






Javelin Back Yard DIY Helicopter

Back Yard DIY Javelin Helicopter Kit Its makers, both in their twenties hope to market their one-man DIY helicopter for under $10,000 B.J. SCHRAMM’S FIRST…



Flying the Rotorway Exec 90 Helicopter

Flying the Rotorway Exec 90 Kit Helicopter RotorWay International’s kit contains surprisingly significant improvements. IMAGE ABOVE: Changes to the Exec 90 (foreground) include a new…