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ericparlow(at)hotmail.com
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 Posted: Mon Jan 29, 2007 9:15 am Post subject: Fuel Flow measurement |
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I need to measure fuel consumption in a system with a fuel return.
I have one Flo-scan 231 for supply flow and plan to add a second for the
return flow.
The Flo-scan 231 gives 20,000 pluses/gal.
Is there an electronic device which can subtract the return fuel flow pluses
from the supply pluses to give consumption pulses?
i.e. 20 gal/hr flow gives 400,000 pulses/hr or 111 pluses/sec(hz).
The measuring device is the BMA EFIS/one which has a 0-220hz fuel flow
input.
ERic--
RV-10, N104EP
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Bruce(at)glasair.org
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| Posted: Mon Jan 29, 2007 9:49 am Post subject: Fuel Flow measurement |
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Eric,
Does your fuel system have a return line from the distribution spider back
to the tank?
Bruce
www.glasair.org
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frank.hinde(at)hp.com
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| Posted: Mon Jan 29, 2007 9:52 am Post subject: Fuel Flow measurement |
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YES!
Go to the Matronics website, there you will find a device that does
exactly that. The output from this device can be read by any counter as
if it were a single flow meter, Dynon for example will read this net
fuel flow directly.
Cheers
Frank
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bferrell(at)123mail.net
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| Posted: Mon Jan 29, 2007 10:05 am Post subject: Fuel Flow measurement |
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Eric,
The E/1 has this function built into it. You can find out more about it at the
BMA website, or give them a call, but you use the fuel flow inputs as A+B or
A-B combinations.
This is described on page 29 of the Installation Manual V2.16H
http://www.bluemountainavionics.com/download_efislite/efis_lite_install_guide_215.pdf
Brett
Quoting Eric Parlow <ericparlow(at)hotmail.com>:
| Quote: |
<ericparlow(at)hotmail.com>
I need to measure fuel consumption in a system with a fuel return.
I have one Flo-scan 231 for supply flow and plan to add a second for the
return flow.
The Flo-scan 231 gives 20,000 pluses/gal.
Is there an electronic device which can subtract the return fuel flow pluses
from the supply pluses to give consumption pulses?
i.e. 20 gal/hr flow gives 400,000 pulses/hr or 111 pluses/sec(hz).
The measuring device is the BMA EFIS/one which has a 0-220hz fuel flow
input.
ERic--
RV-10, N104EP
|
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http://www.matronics.com/Navigator?AeroElectric-List |
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LloydDR(at)wernerco.com
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| Posted: Mon Jan 29, 2007 10:06 am Post subject: Fuel Flow measurement |
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Contact Gary Newstead, He has an Eggenfellner with a Blue Mountain, and
he built a sensor for fuel flow for the BMA and is offering them for
sale through Jan's site.
Dan
N289DT
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rparigor(at)SUFFOLK.LIB.N
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| Posted: Mon Jan 29, 2007 10:08 am Post subject: Fuel Flow measurement |
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Hello Eric
"Is there an electronic device which can subtract the return fuel flow
pluses from the supply pluses to give consumption pulses?"
May I suggest you read a thread on Europa Newsgroup about just this:
http://www.europaowners.org/
Scroll to Matronics Listserver
Have a look at:
Europa-List: Re: Fuel Flow Instrumentation
and:
Europa-List: Fuel Flow Instrumentation
and:
Europa-List: Fuel flow for 914
Ron P.
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ericparlow(at)hotmail.com
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| Posted: Mon Jan 29, 2007 10:33 am Post subject: Fuel Flow measurement |
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Bruce,
The current Lycoming IO-540-D4 mechanical fuel system does not have/require
a fuel return.
I'm building in the return capability for the future electric fuel system
and/or the diesel engine.
ERic--
RV-10, N104EP
----Original Message Follows----
From: "Bruce Gray" <Bruce(at)glasair.org>
Reply-To: aeroelectric-list(at)matronics.com
To: <aeroelectric-list(at)matronics.com>
Subject: RE: Fuel Flow measurement
Date: Mon, 29 Jan 2007 12:40:10 -0500
Eric,
Does your fuel system have a return line from the distribution spider back
to the tank?
Bruce
www.glasair.org
--
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