X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.123] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2962228 for flyrotary@lancaironline.net; Tue, 10 Jun 2008 19:13:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.123; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([75.191.186.236]) by cdptpa-omta02.mail.rr.com with SMTP id <20080610231312.WAUG23887.cdptpa-omta02.mail.rr.com@edward2> for ; Tue, 10 Jun 2008 23:13:12 +0000 Message-ID: <000d01c8cb4f$c1e2cba0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Sensors Date: Tue, 10 Jun 2008 19:14:39 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C8CB2E.3A872A50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C8CB2E.3A872A50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bill, for what its worth, I use two small 1/8" hose on similar size = tubes cast into the old N/A lower manifold. I am not certain what Mazda = used them for but, as far as I know there is no manifold pressure take = off near the Mazda throttle body. I have had no problems - but I do = take the pressure from two different primary intakes - perhaps that = doubles the frequency of pulsation and makes it more easily damped by = the air in the lines? Also my primary tubes are interconnected at the = throttle body mount. Ed ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Tuesday, June 10, 2008 3:22 PM Subject: [FlyRotary] Re: Sensors Al, My fuel pressure regulator (Airmotive) is getting its MAP from the two = small (1/8 ") tubes that lay in the primary ports on the Renesis.Are you = saying that I should move this pressure reference to someplace else? = You say you know it is not good.How do you know this? =20 Bill B=20 =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Al Gietzen Sent: Tuesday, June 10, 2008 3:39 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Sensors Gentlemen; Getting ready for plumbing, initial wiring, gearing up for first = start. Where is the best place to locate a MAP sensor in a turbo 20B, = in the air box, or closer to a port? Are there any hard and fast rules = about this? =20 Greg Ward =20 Greg; =20 Closer to the ports gives you lots of pulses in the signal. I expect = this is not good for the ECU, and I know it is not good for the MAP = referenced fuel pressure regulator. The MAP sensing is close to the = ports on my setup, and I had to install signal damping. I don't know = your configuration, but if you have a single TB feeding an air box, I'd = put it in the air box. =20 Al G ------=_NextPart_000_000A_01C8CB2E.3A872A50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Bill, for what its worth, I use two = small 1/8"=20 hose on similar size tubes cast into the old N/A lower manifold.  I = am not=20 certain what Mazda used them for but, as far as I know  there is no = manifold pressure take off near the Mazda throttle body.   I = have had=20 no problems - but I do take the pressure from two different primary = intakes -=20 perhaps that doubles the frequency of pulsation and makes it more easily = damped=20 by the air in the lines?  Also my primary tubes are interconnected = at the=20 throttle body mount.
 
 
 
Ed
----- Original Message -----
From:=20 Bill=20 Bradburry
Sent: Tuesday, June 10, 2008 = 3:22=20 PM
Subject: [FlyRotary] Re: = Sensors

Al,

My fuel pressure regulator (Airmotive) is = getting its=20 MAP from the two small (1/8 =93) tubes that lay in the primary ports = on the=20 Renesis=85Are you saying that I should move this pressure reference to = someplace=20 else?  You say you know it is not good=85How do you know=20 this?

 

Bill = B 

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Al Gietzen
Sent: Tuesday, June 10, 2008 = 3:39=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re:=20 Sensors

Gentlemen;

Getting ready for = plumbing,=20 initial wiring, gearing up for first start.  Where is the best = place to=20 locate a MAP sensor in a turbo 20B, in the air box, or closer to a = port? =20 Are there any hard and fast rules about=20 this?  

Greg=20 Ward

 

Greg;

 

Closer to = the ports=20 gives you lots of pulses in the signal.  I expect this is not = good for=20 the ECU, and I know it is not good for the MAP referenced fuel = pressure=20 regulator.  The MAP sensing is close to the ports on my setup, = and I had=20 to install signal damping.  I don=92t know your configuration, = but if you=20 have a single TB feeding an air box, I=92d put it in the air=20 box.

 

Al=20 G

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