Spessart ramp | ramp | Brand new 63d MAW C-141As on the ramp at Norton AFB, 1967. Serial 66-0177 is in foreground. This aircraft will become the famous "Hanoi Taxi | Short ram air intake | Reference Daily Intake | Ramp | Ram-air intake | Dietary Reference Intake | An SBG (used as ramp, centre) and Churchill AVRE (right) at 'Nan White' Beach at Bernières-sur-Mer |
Compression is achieved through the ram-air effect in an intake similar to that found on a high-speed aircraft like Concorde, where intake ramps create shock waves that compress the air.