Case file · Government program
Tests in Paris for SNCASO
In 1955–56 Brown tested his devices for the French aircraft maker SNCASO, including runs he said were made in a vacuum chamber.
1955 CE · 48.86, 2.35 · status: claim
The account
He travelled to England and France in July 1955 and again in March 1956. The work ended when SNCASO merged with SNCASE to form Sud Aviation, and he returned to the United States in 1956. The vacuum results would have ruled out ionic wind, which is why they matter so much to his supporters.
The sceptical view
No independent record of the vacuum results has been found; later vacuum tests by others found no thrust.
Connections in the atlas
- Thomas Townsend Brown
- The Coolidge tube that seemed to change weight
- The 'gravitator' patent and the Biefeld–Brown effect
- Naval Research Laboratory and the S-48 gravity expedition
- Project Winterhaven
- The 'gravitics' boom and the Electrogravitics Systems report
- Brown founds NICAP
- The Bahnson laboratory (Whitehall-Rand)
- The electrokinetic patents
- Rock electricity on Catalina Island
- The lifter tests: ARL, NASA and Tajmar
- MIT's ion-wind aeroplane