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An automobile fitted with a spring loaded Hartnell governor, the flyballs of it rotate at 500 r.p.m. having radius of rotation of 7 cm with sleeve in mid-position and balls arms vertical. The length of ball and sleeve arms is same. The maximum sleeve movement is 2 cm with ±5% variation is speed. The mass of the sleeve is 5 kg and the friction may be assumed to be equivalent of an additional load of 30 N at the sleeve. The effort of governor is sufficient to overcome the friction of the sleeve caused by 1% change of speed at mid-position. Calculate -

  1. the mass of flyballs
  2. the spring rate
  3. the governor effort of 1 % change of speed
  4. the power of governor

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answered by (215k points)
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Given a Hartnell governor

 

 

 

 

 

 

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