Abstract: The design, construction, and field testing of an unmanned aircraft system to monitor high altitude volcanoes is described in this paper. The system must be able to fly above the crater of ...

The choice of welding method for your homebuilt aircraft’s steel tube fuselage represents one of the most critical decisions ...

Abstract: The supply of electrical power is usually achieved by a generator driven from a prime mover by some form of mechanical drivetrain. Such an electromechanical system will have natural resonant ...