dlm46007(at)cox.net
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 Posted: Sun Jan 03, 2010 12:01 pm Post subject: Fire bottle |
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One picture shows the location in the cabin, the other shows the location on
the firewall. Note the blue fitting between the red/yellow/white wire bundle
(EGT/CHT wiring). That is the bulkhead T fitting through the firewall. From
there hard flared lines use the sprayers provided in the kit to spray Halon
behind the aft cylinder baffling; one hard line is routed through the aft
baffling and sprays over the engine. Because my engine is not carbureted, I
do not plumb a line to the carburetor box. On my Glastar, one lines sprays
the top of the engine and one line is plumbed to a bulkhead fitting in the
carburetor air box. That fitting inside the box is capped and a #40 hole has
been drilled in the cap.
If you install a carbureted engine I recommend a pinhole plumbed
inside the carburetor box. This eliminates most damage done by carburetor
fires. Halon leaves no residue and requires no clean up.
How do you know if you have a carburetor fire? My Glastar has a Carburetor
air temperature sensor and displays on the panel. For fuel injected engines
a fire will produce smoke and engine instrument chts/egts will become
rapidly erratic. Discharging the bottle, expect to be a glider and prepare
to land immediately.
I could send some pictures of the FF installation, perhaps next week when I
remove the top cowl.
Of course, being prepared, in the Glastar (500+) and RV10 (200+) I have not
had the requirement to push the red fire handle. Of course in 3000 other
hours in certified aircraft I have had no requirement to wish I had a fire
handle.
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