flyrotary@lancaironline.net Mailing List Archive

Al & Bobby,

I was under the impression they all leaked a bit as it was inherent in the design, around the adjustment screw I believe- but Al I could be wrong about yours.

George ( down under)

----- Original Message -----

From: Bobby J. Hughes

To: Rotary motors in aircraft

Sent: Wednesday, May 13, 2009 10:48 PM

Subject: [FlyRotary] Re: Fuel Pressure Regulator \ Vacuum Leak

Al,

I will contact Aeromotive tech support today and see if it's possibly a leaking diaphragm that can be fixed. I also suspect raising my fuel pressure from 36 to 40 psi may improve things. I discovered the minimum design operating pressure for this regulator is 40 psi. If the leak is around the adjustment screw then screwing it in further may help. May not.

One step forward and two steps back.

Bobby

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Wednesday, May 13, 2009 12:21 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Fuel Pressure Regulator \ Vacuum Leak

Here is a note from the Aeromotive web site.

. . . .This minute leakage, which is typical of all adjustable fuel pressure regulators, does not, in any

way, affect the performance of the regulator.

Maybe it is typical of all Aeromotive pressure regulators; but my TWM adjustable regulator is T’d off the line to controller B, and has worked fine for four years with no leakage.

Al G