[Diy_efi] [slightly ot] Differential Pressure Measurement gauge, alternatives ?
dunvegan at sbcglobal.net
Thu Sep 6 20:38:47 CDT 2007
Nope. I wasn't assuming that, just suggesting to monitor w/ an electronic vs. mechanical/electrical apperatus.
This comes from my preference to never touch another carby again, now that I've discovered the world of FI
I used to teach industrial controls, worked in the industry, and anytime I could substitute electronic for mechanical w/ a degreee of reliability (I know some environments don't favor that) I do
A couple presure transducers, handful of resistors and caps, couple 741's (I'm showing my age here) and a LCD bargraph (analog input) and good to go,
----- Original Message ----
From: ian <spyro at f2s.com>
To: diy_efi at diy-efi.org
Sent: Thursday, September 6, 2007 6:43:13 PM
Subject: Re: [Diy_efi] [slightly ot] Differential Pressure Measurement gauge, alternatives ?
On Thu, 2007-09-06 at 06:32 -0700, Rick McLeod wrote:
> Why not come up w/ an electronic system, one that summarizes the
> difference of two sensors, one in the manifold and one in the fuel
> log. This would then allow smoothing to be applied elecrically. For
> that matter, you could also use a 'expanded' technique to monitor more
> critially w/ an electronic system.
um. are you assuming I have electronically controlled diesel injection?
My engine has no timing adjustment (at all!) and mechanical injection.
its locked to inject at TDC.
thus no ECU and no fuel tables
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