Researchers:
Crawford, Charles: Gave presentation on the graviflyer to the Alter native Propulsion group on Jan. 1, 2022.
Rex Research Robert Nelson: Has web page on Chekurkov: http://www.rexresearch.com/chekurkov/chekurkov.html
Researchers:
Crawford, Charles: Gave presentation on the graviflyer to the Alter native Propulsion group on Jan. 1, 2022.
Rex Research Robert Nelson: Has web page on Chekurkov: http://www.rexresearch.com/chekurkov/chekurkov.html