Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 98550 for flyrotary@lancaironline.net; Mon, 31 May 2004 22:44:04 -0400 Received: from rad ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040601024335.RWHI24541.imf23aec.mail.bellsouth.net@rad> for ; Mon, 31 May 2004 22:43:35 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Rev-2.1 part 1 Date: Mon, 31 May 2004 21:43:39 -0500 Message-ID: <00b401c44782$3ea3cfa0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00B5_01C44758.55CDC7A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_00B5_01C44758.55CDC7A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Your new intake looks good from the bottom, err I guess for you, its the side {:>). Lets see some of the other side. I don't think working on these fiberglass ducts is going to substitute = for flying, I'd come visit you, but its a single seater {:<(=20 =20 Hey, I've got duct tape. I can tape you to the belly :-) =20 =20 Thanks. Let me know if you want any other pics. =20 =20 I am thinking about something along the same lines for my next manifold. Part of the lack of any thing (increase or decrease) in the air with my variable manifold I believe in part due to having the two tubes too = close. The turn at the top was so tight that it probably looked a lot like the = end of a tube to the wave. Also I know the bottom manifold was bad for air flow. =20 =20 I was sorry to hear that didn't work as well as you had hoped, but since = it works on the ground, it must be capable of working in the air too. I'm = sure this isn't he first disappointment you've had, and you'll overcome it. =20 =20 Using the IDA type manifold spreads the tubes from 90mm CL to 120 mm CL apart and that would permit a gentler bend for the wave. Well, = something to do when I get finished with the ducts.=20 =20 I really like the fit of the Mazdatrix intake for a 4-port engine. The = port match is good, and the shape of the curves is nice. It's a good = starting point for an intake. =20 BTW, are you worried about your 1.75" runners being restrictive when you = go to the -C drive, and 7000+ rpm? =20 =20 So keep reporting as I am very interested.=20 =20 You know there's no avoiding it :-)=20 =20 Rusty=20 ------=_NextPart_000_00B5_01C44758.55CDC7A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Your new intake looks = good from the=20 bottom, err I guess for you, its the side {:>).  Lets see some = of the=20 other side.
I don't think working on these = fiberglass=20 ducts is going to substitute for flying, I'd come visit you, but its a = single=20 seater {:<( 
 
Hey, I've got duct tape.  I can tape = you to the=20 belly :-)   
 
Thanks.  Let me know if you want any = other=20 pics. 
 
I am thinking about something = along the same=20 lines for my next manifold.  Part of the lack of any thing = (increase or=20 decrease) in the air with my variable manifold I believe in part due to = having=20 the two tubes too close.  The turn at the top was so tight that it = probably=20 looked a lot like the end of a tube to the wave.  Also I know the = bottom=20 manifold was bad for air flow.  
 
I was sorry to hear that didn't work as well = as you=20 had hoped, but since it works on the ground, it must be capable of=20 working in the air too.  I'm sure this isn't he first = disappointment=20 you've had, and you'll overcome=20 it.  
 
Using the IDA type manifold = spreads the tubes=20 from 90mm CL to 120 mm CL apart and that would permit a gentler bend for = the=20 wave.  Well, something to do when I get finished with the = ducts. 
 
I really like the fit of the Mazdatrix = intake for=20 a 4-port engine.  The port match is good, and the shape of the = curves=20 is nice.   It's a good starting point for an=20 intake.
 
BTW, are you worried about your 1.75"=20 runners being restrictive when you go to the -C drive, and 7000+ = rpm? =20   
 
So keep reporting as I am very=20 interested. 
 
You know there's no avoiding it=20 :-) 
 
Rusty=20
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