X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from smtp104.sbc.mail.re2.yahoo.com ([68.142.229.101] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with SMTP id 1910364 for flyrotary@lancaironline.net; Thu, 08 Mar 2007 20:42:49 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.229.101; envelope-from=downing.j@sbcglobal.net Received: (qmail 19303 invoked from network); 9 Mar 2007 01:42:04 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=htKPvhaZP0y8Ie18N5aHYcAlWrFZRj/HJMt3K+dWYi3h56v1GHi7wB0sK9WQfyG/Qb03MpEV/FiPF3+p3JZLFHUS3uHtJ5LbFLabVxxBZSWV8QcV4NYXbZpyEEY8eE/q37wwGDbsCbbvheDvw7TS3tdO+Om59qGBng5zf4HTPW8= ; Received: from unknown (HELO mom) (downing.j@sbcglobal.net@75.40.224.46 with login) by smtp104.sbc.mail.re2.yahoo.com with SMTP; 9 Mar 2007 01:42:03 -0000 X-YMail-OSG: DJato54VM1lnmAGAs6_AJXqW4QF55DN2KEVmNfEn_hdnUTGo3ySwb0d1zwxP5UqBwbM0v01TZyeKxWrSP3HoArjaJmA9FOOC_8Nz1Es2CYSoicn4y6GkcarfdxNN99fq8SNSUa5c6riuimD7JUdtVjzYkg-- Message-ID: <001701c761ec$36c4ed00$4001a8c0@gateway.2wire.net> From: "John Downing" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: The truth??? / Injector flow rate mystery solved Date: Thu, 8 Mar 2007 20:42:35 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0014_01C761C2.4D7AED80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0014_01C761C2.4D7AED80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Tracy, thanks for letting the cat out of the bag for us fellows who are = getting close to startup. If it doesn't go as it should, at least we = won't have to pull our hair out in vain. JohnD ----- Original Message -----=20 From: Tracy Crook=20 To: Rotary motors in aircraft=20 Sent: Thursday, March 08, 2007 6:04 PM Subject: [FlyRotary] Re: The truth??? / Injector flow rate mystery = solved Hi Bill, The HP reading is useless until the fuel flow has been accurately = calibrated and the mixture monitor is operating properly. Calibrating = the fuel flow is sometimes no small task. I could have made it easy by = using an external fuel flow sensor (the Lycoming version of the EM2 uses = one) but that adds over $250 to the cost.=20 Have not written up the details yet but have discovered a big reason = why the Mazda injectors appear to flow much more that the numbers on = them would explain when used with the EC2 engine controllers. Steve = Boese was very helpful in identifying this anomaly. It's been driving = Ed Anderson and me nuts for some time. I'm testing a simple mod right now which makes the injectors flow much = closer to what they should. It also makes it easier to get a smoother = engine idle at a lower rpm. More after testing is complete. Tracy ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Thursday, March 08, 2007 10:37 AM Subject: [FlyRotary] The truth???? "Doesn't have to be long, doesn't have to be prose, doesn't even = have to=20 be the truth - just write and make some outlandish claim - like = 250Hp at=20 4200 rpm {:>) or the unbelievable efficiency of pinched ducts - = that'll=20 get some attention." Hey! I didn't build the instrument...I just read the numbers off of = it!=20 Heck! I don't even know how it works well enough to understand why = it=20 reads so high!!?? :>) And I still think it looks good! :>) Bill B -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0014_01C761C2.4D7AED80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Tracy, thanks for letting the cat out of the bag = for us=20 fellows who are getting close to startup.  If it doesn't go as it = should,=20 at least we won't have to pull our hair out in vain.  = JohnD
----- Original Message -----
From:=20 Tracy = Crook
Sent: Thursday, March 08, 2007 = 6:04=20 PM
Subject: [FlyRotary] Re: The = truth??? /=20 Injector flow rate mystery solved

Hi Bill,
The HP reading is useless until the fuel flow has been accurately = calibrated and the mixture monitor is operating=20 properly.  Calibrating the fuel flow is sometimes no = small=20 task.  I could have made it easy by using an external fuel flow = sensor=20 (the Lycoming version of the EM2 uses one) but that adds over $250 to = the=20 cost.
 
Have not written up the details yet but have discovered a = big reason=20 why the Mazda injectors appear to flow much more that the numbers on = them=20 would explain when used with the EC2 engine controllers.  Steve=20 Boese was very helpful in identifying this anomaly.  It's = been=20 driving Ed Anderson and me nuts for some time.
 
I'm testing a simple mod right now which makes the = injectors=20 flow much closer to what they should.  It also makes it = easier=20 to get a smoother engine idle at a lower = rpm.  More after=20 testing is complete.
 
Tracy
----- Original Message -----
From: Bill Bradburry
To: Rotary motors in = aircraft=20
Sent: Thursday, March 08, = 2007 10:37=20 AM
Subject: [FlyRotary] The=20 truth????

"Doesn't have to be long, doesn't have to be prose, = doesn't=20 even have to
be the truth - just write and make some outlandish = claim -=20 like 250Hp at
4200 rpm {:>) or the unbelievable efficiency of = pinched=20 ducts - that'll
get some attention."

Hey! I didn't build = the=20 instrument...I just read the numbers off of it!
  Heck! I = don't=20 even know how it works well enough to understand why it
reads so = high!!??  :>)

And I still think it looks good!=20 :>)

Bill B

--
Homepage:  http://www.flyrotary.com/
Archi= ve=20 and UnSub:   http:= //mail.lancaironline.net:81/lists/flyrotary/List.html
------=_NextPart_000_0014_01C761C2.4D7AED80--