The “flying ring” is an informal term for the grouphead gasket in an espresso machine. It sits inside the grouphead, creating a watertight seal when the portafilter is locked in. Over time, these rings harden, crack, or lose elasticity, causing leaks, pressure drops, and uneven extractions. “Flying” may refer to the ring’s dynamic function—flexing under pressure—or a specific aftermarket brand (e.g., “Flying” brand silicone rings).
The solution proposed by the Advanced Research Projects Agency (ARPA) was radical. They abandoned the cylinder. They abandoned the capsule. They proposed a shape with no distinct center of gravity, a structure capable of rotating to simulate gravity for long-duration crews while presenting a difficult, moving target to enemy radar. p1flyingringesp
: Equipping the ring immediately toggles a flying state for your character. The “flying ring” is an informal term for