gums
Worth a look to see motor concepts of the next century compared with what the good Doctor did 50 years ago!
Fascinating stuff, but when one reads the article it becomes clear that the engine is for military use. Cutting down the airflow to increase thrust at take-off is the last thing you want to do if your problem is airfield noise!
Dozy
Knock it off Joe, it is becoming embarrassing - besides, the spirit is willing but the flesh is weak