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orbitalmechanics [2011/08/25 21:18] donpdonporbitalmechanics [2024/01/31 04:08] (current) – external edit 127.0.0.1
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 http://en.wikipedia.org/wiki/Model_rocket_motor_classification http://en.wikipedia.org/wiki/Model_rocket_motor_classification
  
-Size J - 1,000 N*s (enough to overcome gravity)+1,000 N engine (enough to overcome rocket weight)
  
 == Launch == Launch
 +
 +The upward force is 216N.
  
 The motor runs for 1 second.  The motor runs for 1 second. 
- 
-216N of upward force for 1 second. 
  
  
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 What is the speed of the vehicle? What is the speed of the vehicle?
 +
 +216N * 1s = 216 kg m/s (Unit of momentum)
 +
 +216kg m/s / 80 kg = 2.7m/s
  
 What is the altitude of the vehicle? What is the altitude of the vehicle?
 +
 +position = acceleration * time^2 / 2  (from two rounds of integration)
 +
 +2.7 * 1^2 / 2 = 1.45m
 +
  
orbitalmechanics.1314307090.txt.gz · Last modified: 2024/01/31 04:08 (external edit)