THE SONIC BARRIER TESTS: Some of the Models Which are to be Tested Out Over the Scilly Isles
... The first o j a series of British experiments with a view to finding a way through the sonic barrier, which at present prevents piloted flight at speeds above 650 m.p.h., are to start in a few days time in the region of the Scilly Isles. The launching of various models will be done from a Mosquito at a height of 36,000 ft. After it has been launched each model will remain in level flight for ...