2016년 11월 30일 수요일

M2-F2

M2-F2

M2-F2

Northrop M2-F2.jpg

  • A use: Experiment machine
  • A classification: Lifting body machine
  • A manufacturer: Northrop
  • An operation person: NASA
  • Maiden flight: July 12, 1966 (the first gliding examination)
  • The number of the production: One plane
  • Military retirement: May 10, 1967 (is completely demolished by an accident)
  • The operational situation: It is redecorated to M2-F3

M2-F2 is a lifting body machine produced based on Ames Institute of NASA and a study of Langley Research Center at the mid-1960s. The production of the body was carried out by Northrop and was completed in 1966. This plane was a succession machine of M2-F1 which was a semiwooden glider, and the name was associated with it, but the body was made all metal and was equipped with a strong rocket. Although I am greatly damaged, I am repaired afterwards as M2-F3, and I will be offered for an examination again by an accident examining.

Table of contents

Development

They received success of M2-F1 which was the glider which was produced to demonstrate the effectiveness of the lifting body, and Ames Institute and Langley Research Center of NASA pushed forward a further study. After having analyzed the data which I left of M2-F1, NASA developed two lifting body machines of M2-F2 and HL-10 newly and decided that it produced it. M2-F2 approximately just followed an external form of M2-F1, but HL-10 adopted the body shape that Langley Research Center devised newly. Each production was accomplished by Northrop.

The first flight of M2-F2 was carried out on March 23, 1966, but was towed into a B-52 from beginning to end then. The first gliding flight was accomplished by Milton Thompson (en:Milton Orville Thompson) whom the test pilot of M2-F1 acted as on July 12, 1966. At this chance it arrived at the substratospheric altitude using NB-52B (thing used as a mother ship of super sonic speed rocket experiment machine X-15) where this plane was repaired to chin itself up under a wing. And I glided from an altitude of approximately 13,700m, and the gliding speed recorded a maximum of approximately 720km/h.

Landing accident

 
M2-F2 which failed in a landing after being uncontrollable, and having fallen into it, and was completely demolished.

A gliding flight was carried out as preinclination for power flights using the powerful rocket engine (XLR11 which was carried in X-1) of M2-F2 many times. It was Milton Thompson, blues Peterson (en:Bruce Peterson), Don so Rie (Don Sorlie), four Jerry gently (Jerry Gentry) test pilots to have performed these test flights.

I will be hit by an accident in the last gliding flight and the 16th examination carried out if possible on May 10, 1967. The body to operate of blues Peterson that was a pilot of this time has fallen into PIO[1] just before a landing. The body repeated Dutch roll in right and left, and Peterson noticed that an own plane took the rescue copter which flew neighborhood and the orbit which collided although I revived the posture of the body somehow. Peterson performed a brain in a hurry in a time, but the body descended for the bottom of a lake that dried up of the Lake Roger who was next to the base while just skidding (Rogers Lake). There was not the marking that was attached to be easy to confirm altitude in the bottom of a lake of the direction, and a landing was very difficult. Peterson lighted a rocket to increase lift, but I was overturned and at last stood still after colliding in the ground before an undercarriage completely fell down and was locked, and having overturned six times while scattering the piece of the body. Peterson was barely rescued by a body and was conveyed to the base hospital. I was urgently transferred to a UCLA hospital afterwards via the hospital attached to the march air force base (en:March Air Reserve Base). Though it was a collision to let you presume survival hopeless, he recovered miraculously, but suffered compensation to be infected with a staphylococcus, and to lose eyesight of the right eye. In addition, an SF TV motion picture of 1973 is used in "men of 6 million dollars", and a part of the shocking picture which captured the state that a body is crushed at the time of a landing is misappropriated as an opening picture in the next TV series.

Although they comprised the control system which improved the stability of the body, in M2-F2, the pilot and the researcher of NASA reached the conclusion that lack of the lateral stability of the body caused an accident. I repair it in Institute for Dryden flight, and M2-F2 is repaired and, after an accident, will be reborn as M2-F3. For stability increase, the third piece vertical tail was attached between the tail assemblies of two pieces of right and left in M2-F3. The lesson of this accident was made use of in the design of the other lifting bodies machine, and M2-F2 came to have built the firm base for the later research and development as all first metal bodies.

Performance specifications

 
Figure of third page of M2-F2

Footnote

  1. I am called "vibration due to Pilot" by abbreviation of ^ "Pilot Induced Oscillation". Is frequent so that a pilot revises the vibrational movement of the body; when input it, for time lag before input being reflected by exercise, point to operation accelerating the exercise that is reverse to the direction that intended, and rather enlarging vibration. Specifically, I refer to en:Pilot-induced oscillation.

Allied item

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References

Outside link

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