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Technical Discussions
firing order of a diesel engine MarineTalk Discussion Forums
All dates are given in mm/dd/yyyy format. Technical Discussions
  firing order of a diesel engine
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  Member: arjun Post Date: 2/22/2006  
sirs,
if you can help me about..
how the firing order of a diesel engine is decided..
what are the factors considered?

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  Member: ashwin_ocean Post Date: 3/26/2006  
factors of balancing the engine,ie vibrations play an imp role in deciding ,just imagine the the forces on forces on foundatins arrangements if it was just 12345.... sequence
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  Member: Maneesh Jha Post Date: 3/28/2006  
While deciding the firing order the primary concern is the first and second order external moments in a receprocating machine. These moments are produced because of receprocating masses of the engine/machine. The magnitude of these external moments depend on receprocating mass, distance between units, the rpm and the firing order etc.

Firing order selected will aim at keeping the magnitude of external moments as low as possible.
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