WHY M/E EXHAUST VALVE DOENOT HAVE SPRING?

  1.  SPRINGS FOR EXHAUST VALVE WILL BE LARGE WITH LARGE DIAMETER AND COIL DIAMETER IS ALSO THICK. HEAVY COILS WILL BE UNDER THE EFFECT OF BENDING AND TWISTING CYCLICALLY AT EVERY REVOLUTION.
  2. LARGE INERTIA IS REQUIRED TO OPEN WHICH LEAD TO SLUGGISH OPERATION.
  3. SPRINGS MAY BREAK FREQUENTLY AND SEAT MAY GET DAMAGED. THIS LEAD TO INEFFECTIVE TIGHT SEALING OF FACE.

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