AVIATION - Northrop N-9MA Flying Wing demonstrator - 1/48 Sword Model Kit (unboxing fr)

Описание: Présentation du kit du Northrop N-9MA au 1/48 de chez SWORD.

The Northrop N-9M was an approximately one-third scale, 60-foot (18 m) span flying wing aircraft used for the development of the full size, 172-foot (52 m) wingspan Northrop XB-35 and YB-35 flying wing long-range, heavy bomber.
First flown in 1942, the N-9M (M for Model) was the third in a lineage of all-wing Northrop aircraft designs that began in 1929 when Jack Northrop succeeded in early experiments with his single pusher propeller, twin-tailed, twin-boom, all stressed metal skin Northrop X-216H monoplane, and a decade later, the dual-propeller N-1M of 1939–1941.
Northrop's pioneering all-wing aircraft would lead Northrop Grumman many years later to eventually develop the advanced B-2 Spirit stealth bomber, which debuted in 1989 in US Air Force inventory.

Jack Northrop became involved with all-wing aircraft designs in the late 1920s, with his first flying wing research prototype being built in the 1928–1930 time period.
That first prototype, registered X-216H, had evolved from earlier design studies but was not yet a true flying wing as it retained a tail unit comprising twin rudders with a single horizontal stabilizer running between them; both rudders were connected by twin booms to the thick, all-wing blended fuselage.
The aircraft had an open cockpit in the center wing section and single, rear-facing, pusher propeller connected to a Menasco Cirrus inverted-four piston engine blended into the all-wing shape.
X-216H was first flown in 1929 with Edward Bellande at the controls; the aircraft displayed adequate performance and was noted for its unique all-metal stressed skin and multi-cellular construction.
At about this same time, Jack Northrop became aware of Walter and Reimar Horten's record-setting "tailless" flying wing glider designs being tested in Germany beginning in 1934.

On 30 October 1941, the preliminary order for development of the B-35 Flying Wing bomber was confirmed, including engineering, testing, and most importantly a 60 ft (18 m) wingspan, one-third scale aircraft, designated N-9M.
It was to be used in gathering data on flight performance and for familiarizing pilots with the program's radical, all-wing design.
The first N-9M was ordered in the original contract, but this was later expanded to three test aircraft in early 1943.
A fourth was ordered a few months later after a crash of the first N-9M destroyed that airframe; this fourth N-9M incorporated various flight test-derived improvements and upgrades, including different, more powerful engines.
The four aircraft were designated N-9M-1, -2, A, and B, respectively.

The first flight of the N-9M occurred on 27 December 1942 with Northrop test pilot John Myers at the controls.
During the next five months, 45 flights were made.
Nearly all were terminated by various mechanical failures, the Menasco engines being the primary source of the problems.
After roughly 22.5 hours of accumulated flight time, the first N-9M crashed approximately 12 miles (19 km) west of Muroc Army Air Base (now Edwards Air Force Base) on 19 May 1943.
The pilot, Max Constant, was killed as he attempted to recover the aircraft from a right-hand, 60° nose-down spin.
The investigation found that Constant had suffered control reversal, the control column had been pressed against his chest during his recovery attempt from the steep spin, preventing him from parachuting to safety.
Actions were taken to fix this problem and prevent it from happening on other N-9M test aircraft.

When Northrop's Flying Wing bomber program was canceled, all remaining N-9M flight test aircraft, except for the final N-9MB, were scrapped.
For more than three decades, it slowly deteriorated until the Chino, California Planes of Fame Air Museum acquired the aircraft in 1982 and began the labor-intensive restoration process.
For the next two decades, former Northrop employees and other volunteers restored the N-9MB to its final flight configuration.
On 22 April 2019, the N-9MB was destroyed shortly after takeoff, when it crashed into a prison yard in Norco, California.


Le kit :
https://www.scalemates.com/fr/kits/sw...

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