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Fuel flow for 914

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davidjoyce(at)doctors.org
Guest

Posted: Fri Jan 26, 2007 1:52 am Post subject: Fuel flow for 914

Can anyone recommend a fuel flow measuring system for a 914 (ie one that

measures supply and return flows), preferably using Floscan Transducers?

Thanks, David Joyce, G-XSDJ

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rparigor(at)suffolk.lib.n
Guest

Posted: Fri Jan 26, 2007 5:28 am Post subject: Fuel flow for 914

Hello David



"> Can anyone recommend a fuel flow measuring system for a 914 (ie one

that

 	  Quote: 	
		   measures supply and return flows), preferably using Floscan Transducers?"


	


I am not flying yet, have a analogue UMA 1+1/4" fuel flow gauge with EL to

match the rest of my engine instruments. I had 3 marks put on the face

~75%, 100% and 115%, I will be glad to share the dart throw numbers I

chose if you are interested. The face can be changed if I missed by too

much.



I have enough glass in panel, Dynon D10A, and 296 Garmin, for engine

monitoring I am much more comfortable following trends and evaluating data

with needles, just call me old fashioned.



Anyway the UMA comes with a 201B, and I used a Matronics FuelChec (tm)

Return Flow Controller that comes with a 201B to subtract the return from

FPR to tank. If real world flow numbers are not quite accurate enough, Ed

can recalibrate instrument. 



Just a side note, I have a Europa mechanical float style sender in my tank

(8 stations). Instead of using the round VDO gauge, I had UMA make a

custom 1+1/4" gauge with EL in 1/8 increments, have yellow at 1/8 to 1/4

and red from 0 to 1/8. If by chance anyone is interested I will share the

ohm data for the 8 points. Such a stupid simple devise, 8 reed switches

and a magnet on the float, the reed switches have a built in hysteresis so

bouncing between stations should be minimal, Europa seems to have

calibrated the stations to match the shape of the tank (stations are not

same spacing, so i assume they did their homework) and cares not about

water, type of fuel and gives me a pseudo inspection hole I can semi look

into tank.



You can get UMA in 2+1/4 and probably 3+1/8. With the 2+1/4 and 3+1/8 you

can get a low and high warning light if you wish, or since it is simple

analogue driving the gauge on the fuel and fuel flow, could build your own

warning light circuit fair easy.



If you want a piece of glass with more buttons and functions, you may want

to look at Matronics, and JPI Fuel Scan 450.

http://www.matronics.com/

http://www.umainstruments.com/newTwo1.htm

http://www.umainstruments.com/



This is a down-loadable UMA Catalog:

http://www.sunav.com/uma-electronic.pdf



Sharon is the gal you want to talk to for Sales, and Ed is the Engineer.

Very easy folk to deal with. They exchanged my supplied with FWF MP gauge

for one with proper markings (slight charge). After mounting 2+1/4" engine

instruments (MP, Tach, and Differential) which matched the rest of panel

2+1/4" stuff that is using UMA EL Light rings, found out "No good" since I

can not view them straight on, the light ring obstructed a bit too much

view of the gauge. No problem, sent back and had installed internal EL,

now things are much more better!



Ron Parigoris

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paul.mcallister

Joined: 09 Jan 2006
Posts: 177
Location: Waukesha, WI USA

Posted: Fri Jan 26, 2007 5:32 am Post subject: Fuel flow for 914

I beleive that Matt Dralle sells a system that works in high reverse flows

situations such as the 914. - Paul



--

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gcrowder2

Joined: 09 Jan 2006
Posts: 136
Location: Golden, Colorado USA

Posted: Fri Jan 26, 2007 7:32 am Post subject: Fuel flow for 914

Hi David - I have used the Matronics Fuel Scan DX with return fuel 

controller for 3 yrs now

and has been faultless so far.  I have a shutoff valve in the return line to 

the tank that

is extremely helpful for debug.  Instructions are good and support was 

immediate when I

had a small cabling snag.



                                                Glenn



 	  Quote: 	
		  From: "David Joyce" <davidjoyce(at)doctors.org.uk>

Reply-To: europa-list(at)matronics.com

To: "Europa list" <europa-list(at)matronics.com>

Subject: Fuel flow for 914

Date: Fri, 26 Jan 2007 09:50:45 -0000




<davidjoyce(at)doctors.org.uk>



Can anyone recommend a fuel flow measuring system for a 914 (ie one that

measures supply and return flows), preferably using Floscan Transducers?

Thanks, David Joyce, G-XSDJ




	


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- The Matronics Europa-List Email Forum -

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jodel(at)nildram.co.uk
Guest

Posted: Fri Jan 26, 2007 10:16 am Post subject: Fuel flow for 914

Hi,



Jpi do the FS450 which will cope with the input from two floscans.



http://www.jpinstruments.com/fuel_scan.html



I have the instrument and harness which are surplus to requirements (but not

the sensors) if you are interested.



Simon G-BZTN



--

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davidjoyce(at)doctors.org
Guest

Posted: Fri Jan 26, 2007 10:46 am Post subject: Fuel flow for 914

Simon, Thanks for that. What sort of price are you thinking of? And is it

surplus because of some problem or have you found a better system? regards,

David

---

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Gilles.Thesee(at)ac-greno
Guest

Posted: Fri Jan 26, 2007 12:56 pm Post subject: Fuel flow for 914

 	  Quote: 	
		   Jpi do the FS450 which will cope with the input from two floscans.

   


	


Hi all,



We're using an FS 450 with our Rotax 914, and are satisfied with it.



Regards,

Gilles Thesee

Grenoble, France

http://contrails.free.fr

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