X-Nico

James Hart Wyld

Later versions of Wyld's engine were contained in the Bell X-1 rocket plane, which was the first manned vehicle to break the sound barrier, and in the MX-774 rocket.

Reaction Motors

In 1938, Princeton University student James Hart Wyld tested a two pound rocket which provided 90 pounds of thrust; this would become the basis for the group's work over the next two decades.

see also