Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3112763 for flyrotary@lancaironline.net; Mon, 22 Mar 2004 10:01:21 -0500 Received: from rad ([68.221.170.60]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040322150121.FEVL4640.imf23aec.mail.bellsouth.net@rad> for ; Mon, 22 Mar 2004 10:01:21 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Cooling Ducts Date: Mon, 22 Mar 2004 09:03:25 -0600 Message-ID: <006601c4101e$d3ca4b90$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0067_01C40FEC.892FDB90" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-reply-to: This is a multi-part message in MIME format. ------=_NextPart_000_0067_01C40FEC.892FDB90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable For someone who hates fiberglass, it would appear that you are doing a = fine job, regardless. =20 =20 Thanks. I believe I've said before, that I appreciate what you can do = with fiberglass, I just hate working with it. I also have to admit that it = gets easier to work with, the more I'm forced to do it. Eventually, I can imagine learning enough tricks to make it less painful, but I would = never have the patience to work with it full time. =20 =20 I noticed that your throttlebody appears to terminate at a slightly downward tilt, similar to mine. Please keep me posted regarding your experiences with the fuel drip that tends to come from the throttlebody right after engine shutdown. I now shut my fuel pump off and let the = engine die from fuel exhaustion, but I still get the drips. =20 =20 I'll keep you posted. So far, I've only run it once, and shut it off = with the EC-2 switch. That got me a couple drips. I wondered if shutting = off the fuel pump would work. As the rail pressure drops, the engine quits because it can't get enough fuel to run. However, you're still = injecting fuel, albeit at a lower pressure. I would have bet that killing the = pump would decrease the drips, but not stop them completely. The better = option should be to disable the injectors, so fuel flow it stopped cleanly. = Even that may not work, especially at idle, since the engine will stop so = quickly that it won't have a chance to vacuum out the intake. Come to think of = it, the Lycoming boys tend to run their engines up some prior to cutting the mixture, so maybe that would help to clear out the pipes. =20 =20 Also, thanks for the note about the TB studs. My brief run was with the studs loose, so I guess I'm lucky they didn't get free. I should have flanges bolted on for the next run. =20 =20 Cheers, Rusty =20 ------=_NextPart_000_0067_01C40FEC.892FDB90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
For someone who hates fiberglass, it = would appear=20 that you are doing a fine job, regardless. 
 
Thanks.  I believe I've = said before,=20 that I appreciate what you can do with fiberglass, I just hate working = with=20 it.  I also have to admit that it gets easier to work with, the = more I'm=20 forced to do it.  Eventually, I can imagine learning enough tricks = to make=20 it less painful, but I would never have the patience to work with it = full=20 time. 
 
    I noticed that = your=20 throttlebody appears to terminate at a slightly downward tilt, similar = to=20 mine.  Please keep me posted regarding your experiences with the = fuel drip=20 that tends to come from the throttlebody right after engine shutdown. I = now shut=20 my fuel pump off and let the engine die from fuel exhaustion, but I = still get=20 the drips. 
 
I'll keep you posted.  So = far, I've=20 only run it once, and shut it off with the EC-2 switch.  That got = me a=20 couple drips.  I wondered if shutting off the fuel pump would = work. =20 As the rail pressure drops, the engine quits because it can't get enough = fuel to=20 run.  However, you're still injecting fuel, albeit at a lower=20 pressure.  I would have bet that killing the pump would decrease = the drips,=20 but not stop them completely.  The better option should be = to disable=20 the injectors, so fuel flow it stopped cleanly.  Even that may not = work,=20 especially at idle, since the engine will stop so quickly that it = won't=20 have a chance to vacuum out the intake.  Come to think of it, the = Lycoming=20 boys tend to run their engines up some prior to cutting the = mixture,=20 so maybe that would help to clear out the = pipes.  
 
Also, thanks for the note about = the TB=20 studs.  My brief run was with the studs loose, so I guess I'm = lucky=20 they didn't get free.  I should have flanges = bolted on=20 for the next run.  
 
Cheers,
Rusty   =
------=_NextPart_000_0067_01C40FEC.892FDB90--