jofarr, soddy tn ----- Original Message -----=20 From: Lehanover@aol.com=20 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.=20 Another case where an electric gage would have been ideal. ------=_NextPart_000_009F_01C7152D.49ADFF80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Lynn: the time I thought I had been so smart and solved the problem = like=20 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=20 spray the exhaust headers (and everything else) with a fine mist of oil. = Of=20 course, all I had to do was stop and put the resultant oil fire out, as = it was=20 in a 4x4 landcruiser with 400 ci small block. Could be more problems in = a pusher=20 aircraft. Many conclusions could be drawn, one of which is = obviously don't=20 use that little nylon hose for a more than moderate pressure = situation,=20 period, even if/when so much easier, I guess. <g> Of course, using = the=20 bourBon tube type gauge, period, when flying, might get you in more = trouble,=20 too. <vbg>

jofarr, soddy tn

----- Original Message -----
From:=20 Lehanover@aol.com

Feeding a pressurized fluid into the cockpit to operate a boiler = gage=20 will get you a lap full of that fluid when the bourbon tube inside the = gage=20 eventually fails. We did that in the race car with a fuel pressure = gage, and=20 sprayed the driver with fuel for a full lap. Now there is an isolator = under=20 the hood, and only pressurized glycol or water if you prefer, enters = the=20 cockpit. If there is a gage failure, the isolator blocks all flow of = the=20 measured fluid.

Another case where an electric gage would have been=20 ideal.

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