Measurements have been made on the Fairey Delta 2,60° delta research aircraft, mainly at 40 000 ft; some tests were made at lower altitudes to study aeroelastic effects. The main points from the results are as follows. The ...

The performance of a turbo-jet engine has been measured, and alternative methods of determining gross thrust and air mass flow calibrated in a ground level static test bed and an altitude test bed simulating flight conditions. ...