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Eugene,
I have a similar arrangement in my ES, though I didn't run any lines in
my overhead. My bottle is under a hinged floor panel as as far back as I
could put it for CG. I ran the high pressure line to a gauge and shutoff
valve in the panel, and then a regulator behind the panel. My front seat
connections are below the engine controls (see panel photo) and the ones for
the back seats are in some cutouts in the side panels where I have my
headphone jacks. I was originally going to put the plug-ins in the
overhead, but wanted a pressure gauge and valve in the panel, so changed
directions. I have EDS units up front and standard canulas in back (for
now, anyway).
I have a valve on the bottle and another one at the panel. I'll open the
bottle valve before flight and the panel one when needed inflight. That way
I don't have all of the low pressure ports pressurized all the time and can
isolate the whole system from the bottle if I'm not flying for awhile. I've
tested the high pressure line from the bottle up to the panel mounted valve
and it took several days to bleed down, so it seems pretty tight. I also
put a filler port with gauge just inside my baggage door. The fuselage
photo (with floor panels removed)shows the bottle location as well as the
refill port at the lower right corner of the image. The white bottle
opposite the O2 is a Safecraft halon bottle which will flood the inside of
the cowling when activated. I stole that idea from Ed Rosiak's awesome ES
(thanks Ed!).
Hope this helps,
Skip Slater
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