[NSRCA-discussion] Cooling/spinners

[Nat Penton]

As Matt mentioned, the only way to use the spinner as an effective air mover is as a cetrifugal blower. This would call for an open nose, and the need for  properly shaped vanes (as a third part ?).

As I recall, power consumption ( volume ? ) is a function of the cube of the RPM. I need help here, its only been 60 years.                                     Nat
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