Hawker Siddeley Harrier single lever added in the cockpit. For horizontal flight, the nozzles are directed rearwards by shifting the lever to the forward position; for short or vertical takeoffs and landings, the lever is pulled back to point the nozzles downwards. The Harrier has two control elements not found in conventional fixed-wing aircraft: the thrust vector and the reaction control system. The thrust vector refers to the slant of the four engine nozzles and can be set between 0° (horizontal, pointing directly backwards) and 98° (pointing down and slightly forwards). The 90° vector is normally deployed for VTOL manoeuvring. The reaction control
Hawker Aircraft War. During the Second World War, the Hawker Siddeley company was one of the United Kingdom's most important aviation concerns, producing numerous designs including the famous Hawker Hurricane fighter plane that, along with the Supermarine Spitfire, was instrumental in winning the Battle of Britain. During the battle, Hawker Hurricanes in service outnumbered all other British fighters combined, and were responsible for shooting down 55 percent of all enemy aircraft destroyed. Hawker Aircraft Hawker Aircraft Limited was a British aircraft manufacturer responsible for some of the most famous products in British aviation history. Hawker had its roots in the aftermath of