Up to now the best results have been obtained with PSP in transonic speed ranges because of the high absolute pressure differences. The main challenge to get acceptable PSP results on one hand is the ...

Tests on the Boeing-built X-66 semi-span model were completed at NASA's Ames Research Center in California's Silicon Valley in its 11-Foot Transonic Unitary Plan ... engineers increase the number of ...

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according to Boom Supersonic.

As Boom explains in a press release, transonic speed is just shy of Mach 1. It is so close, in fact, that XB-1 experienced "the highest dynamic pressure the aircraft will ever experience." The XB-1 is ...

Read about the latest tests conducted with the X-66 aircraft, NASA’s experimental airliner being developed with Boeing.