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Dear Europaphiles,
For interest, the fuel flow option on the Grand Rapids EIS #2004 < 
http://www.grtavionics.com/model_2004.htm > uses a Floscan 201B sensor. 
I have found it to be very accurate - usually within 0.1 gal on the 
totaliser when I fill the tank. However, it is important to provide a 
straight length of hose before the sensor to eliminate turbulence. I 
also found that a damper is essential to smooth out flow/pressure pulses 
---From the fuel pump. Matt Dralle at Matronics sells a very nice item, see 
< http://www.matronics.com/fuelchec/dampener.html > . I made my damper 
for almost nothing using a tee and a length of fuel hose in a u-tube 
arrangement which traps air below a plugged end fitting.
Cheers, John
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