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1. 11:05 AM - Re: Need help with FloScan re-location from tunnel to engine compartment (Ben Westfall)
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| Subject: | Need help with FloScan re-location from tunnel to engine |
compartment
Bill,
Mark Cooper's blog has some pics and a description of his mounting in the
similar location.
http://myrv10factory.wordpress.com/2012/12/10/red-cube-relocation-garmin-gtn
-750-tx-fixed-par100ex-music-limitations-and-afs-screen-tweaks/
-Ben
-----Original Message-----
Sent: Friday, March 28, 2014 6:42 PM
Subject: RV10-List: Need help with FloScan re-location from tunnel to engine
compartment
Can anyone point me to any installation pictures of FloScan installations
where the unit is mounted between the fuel controller and the spider? Any
links or pics appreciated.
Background:
I've decided to change the location of my fuel flow unit from the tunnel to
between the fuel controller and the spider. I've seen a few pictures of
other installations but I know I've seen some I can't find at the moment.
I've gotten quite comfortable with the tunnel installation. There's no
doubt that it's a bit inaccurate with the boost pump on but that's not
really a problem.
However, the folks at Airflow pointed out 2 other issues that I'm in fact
experiencing:
1) Fuel flow readings fluctuate a bit, as recorded by my GRT system.
It's only plus/minus .2GPH but it limits the accuracy of my nozzle tuning
efforts. I'm tuned up pretty good right now but I'd like to improve it a
bit more.
2) During full power climbs my fuel pressure drops a bit below where it
should and that causes me to turn on my boost pump for short periods of time
midway up during my climb outs. I can't recite the exact reasons for that
as described by Don Rivera at Airflow, but it's related to the restriction
of flow sensor and it's location between the tank and the engine driven fuel
pump. As I understand it, it's best to have as few restrictions as possible
upstream of the fuel pump. And having inadequate fuel pressure during full
power operations is undesirable.
Bill
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