Gudmundur wrote:
Looking for 'how many PSI of pressure in the pitot tube equal
how many MPH indicated speed on my speedometer.

I have a very accurate source of air pressure and want to test
my speedometer to get an idea of how well it's in calibration.

TNX folks!

Plug that sucka into rec.boats.
There will be no shortage of (hot) air flow and (high blood) pressure,
but despite all the the speed over ground is usually just about zero.
:-)