Rakett-teknikk

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Rakett-teknikk
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100 år f.kr.

• Heros kule
• Dampdrevet kule av Hero fra Alexandria

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Sortkruttet

• 75 KNO3 , 15 Svovel , 10 Kullstøv
• År 1232 Krigen mellom kinesere og mongolene
  (Teknologioverføring)

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Rakett-utviklingen i dvale.16. Århundre
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Rakettdreven flygende stol. Wan-Hu
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Sir Isaac Newton

• Philosophiae Naturalis Principia Mathematica
• First Law
• A body at rest remains at rest, and a body in
  motion continues to move in a straight line with
  a constant speed unless and until an external
  unbalanced force acts upon it.
• Second Law
• The rate of change of momentum of a body is
  directly proportional to the impressed force and
  takes place in the direction in which the force
  acts.
• Third Law
• To every action (force applied) there is an
  equal and opposite reaction (equal force in the
  opposite direction).
• Another way of stating Newton's third law is
  that if object A exerts a force on object B, then
  object B exerts a force of the same magnitude on
  A, in the opposite direction.

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Sir Isaac Newton

• Disse tre prinsippene vil en dag gjøre det mulig
  for menneskene å reise til stjernene.

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Moderne raketter

• Russland
• Konstantin Tsiolkovsky
• Tyskland
• Hermann Oberth
• USA
• Robert H. Goddard

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Generellt prinsipp
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Rakettdrivstoff
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Faststoffmotor
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Væskemotorer
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Lenker

• http//inventors.about.com/library/inventors/blroc
  kethistory.htm
• http//ansatte.hin.no/ab/ars-uke/kompendierakett-t
  ekn-2.pdf