X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mta31.charter.net ([216.33.127.82] verified) by logan.com (CommuniGate Pro SMTP 5.2.8) with ESMTP id 3181701 for flyrotary@lancaironline.net; Sun, 21 Sep 2008 22:21:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.82; envelope-from=cardmarc@charter.net Received: from aarprv04.charter.net ([10.20.200.74]) by mta31.charter.net (InterMail vM.7.08.03.00 201-2186-126-20070710) with ESMTP id <20080922022040.REPC4798.mta31.charter.net@aarprv04.charter.net> for ; Sun, 21 Sep 2008 22:20:40 -0400 Received: from homeoffice ([68.185.200.44]) by aarprv04.charter.net with ESMTP id <20080922022040.SLYA3522.aarprv04.charter.net@homeoffice> for ; Sun, 21 Sep 2008 22:20:40 -0400 From: "Marc Wiese" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Manifold vacuum gauge Date: Sun, 21 Sep 2008 21:20:42 -0500 Message-ID: <905AFCB8D91448F191D8421308CBB5D6@homeoffice> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C91C2F.E7A2B310" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: X-Chzlrs: 0 This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C91C2F.E7A2B310 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is that the same needle valve that you get with the Wal Mart aquarium = pump (which I made my engine dryer out of)? Marc Wiese -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Rino Sent: Sunday, September 21, 2008 7:44 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Manifold vacuum gauge I installed a pulse chamber because the pressure reading on the EM2 was jumping around too much. The pulse chamber solved that. =20 Rino Lacombe Today I sorted out the wiring and everything is now working. The only problem is that the manifold vacuum gauge is reading backwards. I tried changing the plus-minus wires around on the back of the gauge and it = reads nothing, even with vacuum applied. The question is what happens if I = switch the power and ground wires around, does that do anything besides blow = the fuse or the gauge. Will run the engine again tomorrow with the ole = steam gauge and try and get a start on the EC2 tuning.=20 =20 One other question, does the vacuum lines to the EC2 need some kind of pulse chamber, like a small fuel filter or orifice in each line. JohnD ------=_NextPart_000_0009_01C91C2F.E7A2B310 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Is=20 that the same needle valve that you get with the Wal Mart aquarium pump = (which I=20 made my engine dryer out of)?
Marc=20 Wiese
-----Original Message-----
From: = Rotary motors in=20 aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of=20 Rino
Sent: Sunday, September 21, 2008 7:44 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: Manifold = vacuum=20 gauge

I installed a pulse chamber because = the pressure=20 reading on the EM2 was jumping around too much.   The pulse = chamber=20 solved that.
 
Rino Lacombe

Today I sorted out the wiring and = everything is=20 now working.  The only problem is that the manifold vacuum = gauge is=20 reading backwards.  I tried changing the plus-minus wires = around on the=20 back of the gauge and it reads nothing, even with vacuum = applied.  The=20 question is what happens if I switch the power and ground wires = around, does=20 that do anything besides blow the fuse or the gauge.  Will run = the=20 engine again tomorrow with the ole steam gauge and try and get a = start on=20 the EC2 tuning. 
 
 One other question, does the = vacuum lines=20 to the EC2 need some kind of pulse chamber, like a small fuel filter = or=20 orifice in each line. =20 JohnD
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