Jumping Ring with Fixed Core

PIRA 5K20.30

The jumping ring coil shown at right is much like the jumping ring coil with the adjustable core, but the core and windings have been optimized for maximum ring height.  This coil draws between 9 and 12 Amps.  It should be plugged into a power strip with a breaker.  It has a relay switch for pulsed current.  the button switch should be quickly tapped, otherwise the wires and power cord quickly get dangerously hot.  It will shoot an aluminum ring 30' to 40' straight up, or 60' to 80' when shot at an angle. 

If the ring is cooled in liquid nitrogen first, it will shoot almost twice as far.