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Lynn: the time I thought I had been so smart and solved the problem like
that, the little nylon line sprung a leak on the engine side of the
isolater, which I had mounted up on top of the firewall; and, it managed to
spray the exhaust headers (and everything else) with a fine mist of oil. Of
course, all I had to do was stop and put the resultant oil fire out, as it was
in a 4x4 landcruiser with 400 ci small block. Could be more problems in a pusher
aircraft. Many conclusions could be drawn, one of which is obviously don't
use that little nylon hose for a more than moderate pressure situation,
period, even if/when so much easier, I guess. <g> Of course, using the
bourBon tube type gauge, period, when flying, might get you in more trouble,
too. <vbg>
jofarr, soddy tn
----- Original Message -----
Feeding a pressurized fluid into the cockpit to operate a boiler gage
will get you a lap full of that fluid when the bourbon tube inside the gage
eventually fails. We did that in the race car with a fuel pressure gage, and
sprayed the driver with fuel for a full lap. Now there is an isolator under
the hood, and only pressurized glycol or water if you prefer, enters the
cockpit. If there is a gage failure, the isolator blocks all flow of the
measured fluid.
Another case where an electric gage would have been
ideal.
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