Gadget Freak John Tindall came up with a cyclonic-valve radial design for a pulse jet with smoother airflow. He proved the concept with plastic and aluminum valves – but the gadget backfired and blew up. Next step, a steel model.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.