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Rotax 914 Fuel FLow

 
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europa(at)triton.net
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PostPosted: Tue Apr 18, 2006 1:45 pm    Post subject: Rotax 914 Fuel FLow Reply with quote

I'm trying to get our fuel computer working properly.  I have transducers on the fuel going into the engine and fuel being returned to the tank.  What is the fuel flow others see at these places at reasonable power levels, say 70, 80 or 90%?  Mine seem to top out at about 35 gph but I think that's a calibration problem.
 
Thanks
 
Jim Butcher
Europa XS 914
 


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Trevpond(at)aol.com
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PostPosted: Wed Apr 19, 2006 2:47 am    Post subject: Rotax 914 Fuel FLow Reply with quote

Hi Jim,

What sort of computer are you running?

Trev Pond


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jodel(at)nildram.co.uk
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PostPosted: Wed Apr 19, 2006 3:23 am    Post subject: Rotax 914 Fuel FLow Reply with quote

35gph (I'm assuming you mean US galls) is 132 lph. The 914 installation
manual page 50 suggest that the absolute max that the pumps can deliver is
120 lph.

Is the return transducer plumbed/wired correctly? It sounds as though it is
adding rather than subtracting.

Simon

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rehn(at)rockisland.com
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PostPosted: Wed Apr 19, 2006 9:57 am    Post subject: Rotax 914 Fuel FLow Reply with quote

Jim, I had problems getting fuel flow calibrated and determined that my
return fuel flow transducer was not working properly so returned for a new
one. I also had my EIS checked out by the factory. It does have to be set up
by the manufacturer to utilize two transducers. Many applications only need
one of course. I would first check to see that it is properly set up for
two. Call the manufaturer and they can tell you. Good luck.
Regards
Jerry
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