Brian Dunning's FileMaker Custom Functions

AirflowFromRpm ( cfm1 ; rpm1 ; rpm2 )

New Airflow from Change in RPM

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Donald Zijm   Donald Zijm - Show more from this author
Zijm LLC
http://www.zijm.com

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  Sample input:
AirflowFromRpm ( 1000 ; 850 ; 950 )
  Sample output:
1117.64

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Airflow increases in direct proportion to increases in rpm. Use this calculation to determine the new rpm for the desired airflow.

 

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