Return-Path: Received: from [129.116.87.170] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 820107 for flyrotary@lancaironline.net; Fri, 25 Mar 2005 10:26:38 -0500 Received-SPF: none receiver=logan.com; client-ip=129.116.87.170; envelope-from=mark.steitle@austin.utexas.edu X-MIMEOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5314E.EE2345EB" Subject: RE: [FlyRotary] Re: fuel injector size Date: Fri, 25 Mar 2005 09:25:52 -0600 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69EC08101@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: fuel injector size Thread-Index: AcUxTT+EmBU9CqzmQm2di0laxTa5JwAAUvjw From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C5314E.EE2345EB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Al, So then six of the 550cc injectors should be good for 450hp. Sounds good to me. =20 =20 Mark S. =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Friday, March 25, 2005 9:13 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: fuel injector size =20 =20 Rusty, What color are the 850's. Both primary and secondary injectors in my j-spec 20B are a deep red/crimson color. I think it is a '93, but I'm not sure. You're probably right on the 3rd gen 13b's having 850 cc secondary injectors. =20 =20 Mark =20 =20 The primary injectors on my 20B are, what - purplish red? (I haven't seen them in awhile, the cowl is on), and RC engineering measured all three 570 CC/min. I presume these are what Mazda calls 550s. At a BSFC of 0.6 (high power mixture); 4 of these should be good to about 300 hp at 80% duty cycle. =20 Al ------_=_NextPart_001_01C5314E.EE2345EB Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Al,

So then six of the 550cc injectors = should be good for 450hp.  Sounds good to me.  =

 

Mark = S.

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Friday, March 25, = 2005 9:13 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = fuel injector size

 

 

Rusty,

What color are = the 850’s.  Both primary and secondary injectors in my j-spec 20B = are a deep red/crimson color.  I think it is a ’93, but I’m = not sure.  You’re probably right on the 3rd gen = 13b’s having 850 cc secondary injectors. 

 

Mark     

 

The primary injectors on my 20B = are, what – purplish red? (I haven’t seen them in awhile, the cowl is = on), and RC engineering measured all three 570 CC/min.  I presume these = are what Mazda calls 550s.  At a BSFC of 0.6 (high power mixture); 4 of = these should be good to about 300 hp at 80% duty = cycle.

 

Al

------_=_NextPart_001_01C5314E.EE2345EB--