Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 393502 for flyrotary@lancaironline.net; Sat, 04 Sep 2004 22:11:15 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040905021045.QMZO1796.imf23aec.mail.bellsouth.net@rd> for ; Sat, 4 Sep 2004 22:10:45 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Engine Vent Date: Sat, 4 Sep 2004 21:09:02 -0500 Message-ID: <014301c492ed$506b72e0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0144_01C492C3.67956AE0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0144_01C492C3.67956AE0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable What are the rest of you doing with your engine vent line? I used to just vent it out of the cowl, but there were a couple of = occasions in the rev-1 days where I completely covered the belly, with oil. I = think those were mostly due to having the vent line in a suction area of = airflow though. I ended up installing a fairly large (about 1/2" ID) clear tube with a quick drain valve on the end. That keeps the airflow from = causing suction, and lets me monitor how much oil accumulates in the tube. The = tube is only about 15 inches long, so it doesn't go all the way back to the engine. Instead, I ran a smaller hose to the engine. That hose slips inside the larger one, with enough space between the hoses to allow air = to vent. Since I've done this, I've never drained the line, because there isn't anything in it. =20 Rusty =20 ------=_NextPart_000_0144_01C492C3.67956AE0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

What are the rest of you doing with your engine vent=20 line?

I used to just vent it out of the = cowl, but=20 there were a couple of occasions in the rev-1 days where I completely = covered=20 the belly, with oil.  I think those were mostly due to having the = vent line=20 in a suction area of airflow though.  I ended up installing = a fairly=20 large (about 1/2" ID) clear tube with a quick drain valve on=20 the end.  That keeps the airflow from causing suction, = and lets=20 me monitor how much oil accumulates in the tube.  The tube is = only=20 about 15 inches long, so it doesn't go all the way back to the = engine. =20 Instead, I ran a smaller hose to the engine.  That hose slips = inside the=20 larger one, with enough space between the hoses to allow air to=20 vent.  Since I've done this, I've never drained the line, = because=20 there isn't anything in it. 

Rusty

 

------=_NextPart_000_0144_01C492C3.67956AE0--