and [Tom Stanton]’s latest trebuchet design puts a different spin on launching projectiles at speed. The design takes advantage of the flywheel as an energy storage device. The flywheel is spun ...

The catapult can launch a 30-tonne projectile from 0 to 230 feet/s (0 to 70 m/s ... A powerful motor drives a heavy flywheel to rotate quickly before catapulting. Once the plane is secured on the ...