I'm trying to remember

the numbers off the top of my head, so please forgive me if I'm way off,

but with the approximately 11" diameter of the flywheel spinning between

6000 and 6500RPM, the equations said I would get 2lbs of pressure

increase.  2lbs of pressure translates into somewhere around 20Hp.  I

tested the static pressure of my electric leaf blower. Labeled to spin

at 9000RPM with a 6" impeller.  I got over 9" of static pressure. That

was enough incentive for me to give it the old college try.

 

Two psi is great.  That’s over 50” H2O or 4” HG. The 9” from your leaf blower is similar to the furnace blower; about .66” HG

 

I’m sure you’re right, those blowers are designed for high flow rate; not much pressure. I’m guessing the same is true for the VW blower.  So I hope you’re on to something.  Innovation is good, and generally high risk; but it’s always fun trying.

 

Al