Paul,
By the springs in the wastegate diaphragm, I would say there is at least 5
psi. no hard data, but I thing high strung diesel systems and race turbo's
are even more.
Larry


That is a great idea. I have some of those 2nd gen waste gate servos up at the hangar.
All you need do is pull on the waste gate flap with a small spring scale
and then calculate  the area of the flap.

I just have a TO4 here in the office.
-- 
Paul Lamar ...No rotor no motor.

Larry,
What is 5 PSI in bar, is 2 bar 5 psi?
George (down under)



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