VR trivia: How big was the earliest invented VR device?

Early VR equipment had to be inlaid on the ceiling due to the weight of the helmet, and some required system computer support as large as 8 rooms.

In 1986, the U.S. military ’s Super Cockpit Project finally enabled pilots to instantly enter a virtual flight world cockpit, replacing the complexity of 300 dashboards with an intuitive information display. Interface, and finally achieve human-machine integration. However, due to the huge energy consumption, a total of eight room-sized system computers were required to support the horsepower required for the calculation. One of the two eyes needed one for each calculation.