Originally Posted by
sandiego89
Effortless, in very simple terms the Avon did not have enough thrust for a Harrier sized aircraft and being a turbojet was not the right “type” of thrust. The Pegasus being a turbofan moves massive amounts of air at a relatively modest velocity compared to a turbojet. A turbojet moves a smaller amount of air at a tremendous velocity. A turbofan is better for a hovering jet.
Thank you for the clear explanation. I guess my original post was prompted by a picture of the eflux of the F35. It reminded me of RAF and US pilots on lightning conversion at Colt. The US pilots tended to have full reheat on take of while RAF pilots tended to leave the ground more sedately.