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Hi Ed,
I think that my 1st attempt at a reply disappeared in a power outage
here in MS.
I re-checked the post on VAF, & he definitely said -4 pre &
post sensor. The lines from the dist. spider to injectors on the a/c
systems are much smaller; probably 1/8-3/16" OD. The actual ID is
really small (I had a Precision brand system in my possession for a
while, during my Lyc detour).
Charlie
On 06/25/2011 10:07 PM, Ed Anderson wrote:
Charlie, were these lines recommended for
1/4" dia SS tube - the lines from the air performance fuel
distribution block to each injector or from the tanks to the
fuel distribution block? Makes a difference. 1/4" dia SS
tube would have no problem providing fuel for one injector -
but, I would make certain which lines he is referring to.
Ed
Sent: Saturday, June 25, 2011 10:14 AM
Subject: [FlyRotary] Floscan orientation, fuel
line size
OK, 2 questions.
1. For those using Floscan fuel flow transducers:
Anyone have a floscan 201 sensor that's working ok while
mounted in other than a horizontal position? My most
convenient location would have the fuel path flowing up at a
45 degree angle. In addition, the mounting can have the wires
'up', but mounting would be a bit more convenient with the
wires pointing horizontally.
2. While researching Q1, I found a note from the guy who makes
Airflow Performance fuel injection systems for Lycs (they run
at around 15-30 psi), recommending 1/4" (AN-4) fuel lines
firewall forward to minimize fuel heating & vapor lock.
I've already been tempted to consider this instead of -6
(saves weight, running lines is easier, etc) because the
injection pumps & automotive systems use small diameter
lines, but was reluctant to go against 'convention'. Has
anyone who's flying an injected rotary used -4 fuel lines to
feed the engine?
Thanks,
Charlie
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