Mailing List flyrotary@lancaironline.net Message #67499
From: Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Fuel Pressure Sender best practices
Date: Fri, 8 Sep 2023 12:30:36 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Finn

Like your fix of an RC filter. 

On another subject. What is your Take Off / WOT / Best Power mixture - fuel burn.
I’m interested to see what power other Renesis engines are producing.

Cheers

Steve

On 8 Sep 2023, at 2:46 am, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:

I made my own from a block of alum using bandsaw, file, drills and tap.
Banjo bolt through end of secondary fuel rail and 1/8" NPT hole for pressure sender.
Disadvantage of that location is the injectors create pressure pulses when closing giving wildly fluctuating pressure readings. I solved it by adding an R-C filter after the pressure sender output.

My fuel path after filter is a Tee to primary (Renesis stock) and secondary (Rx-7 cut and extended with alum tube and JB-weld). 

Finn

On 9/7/2023 9:32 AM, DOUGLAS LOMHEIM dlomheim@aol.com wrote:
Greetings:  I need to finalize the mounting of a fuel pressure sender, and wondered how those who are flying did that, and what suggestions they have for doing it.  AC Spruce gas an aluminum block drilled fir NPT fittings, and this fitting from Summit seems to do the same thing…

Thanks for any suggestions…

Doug   



Sent from my iPhone


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