Mailing List flyrotary@lancaironline.net Message #62304
From: Bill Bradburry <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Fuel Pressure Sender Leak
Date: Tue, 19 Jan 2016 19:11:36 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>

Bobby,

 

I am still using a VDO sender that was supplied by Tracy years ago for my fuel pressure sender.  A while back I was going to add a fuel gage to read pressure between the pump and filter.  I had heard that VDO senders should not be used for fuel but since I have had good luck with one, I ordered another.

Fuel sprayed out of the wiring contact area as soon as fuel hit it!

I hope you have better luck!?

 

Bill

 


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Monday, January 18, 2016 1:53 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Fuel Pressure Sender Leak

 

I experience a small fuel leak during flight last week. Yesterday I traced the leak to a Stewart Warner Fuel Pressure Sensor. The bottom outer seam was spraying fuel. This units attaches to my AFS engine monitor and is rated for 60 psi. It was installed directly to the firewall mounted fuel pressure regulator and did not have a restrictor.  I ordered a VDO 80 psi replacement from AFS and will remote mount with a restrictor in the line. I guess the pressure pulses created by the fuel pumps and injectors are a probable cause for the failure?

 

Bobby Hughes

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