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V-Roomy Air

The Testing

 

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Here is an animated gif file of the horsepower charts generated from today's cut and test session. I trimmed down the aluminum velocity stack tubes (under the blue plate in the photo above) little by little. I re-bored the tapers into them and dyno'ed the results after each boring. Each change in length is changing the resonant frequencies of the velocity stack. I have numbered the harmonic peaks. It is amazing to watch the peaks move up the graph in conjunction with each new length.

 

Horsepower Animation

Horsepower Animation

 

Torque Animation

Torque Animation

 

Static Composites

Horsepower

Horsepower Composite

Torque

Torque Composite