Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3227770 for flyrotary@lancaironline.net; Tue, 11 May 2004 23:04:29 -0400 Received: from EDWARD (clt25-78-058.carolina.rr.com [24.25.78.58]) by ms-smtp-04-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i4C34QC9014065 for ; Tue, 11 May 2004 23:04:27 -0400 (EDT) Message-ID: <001001c437cd$d664a540$2402a8c0@EDWARD> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Rusty's 3rd intake Date: Tue, 11 May 2004 23:04:27 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01C437AC.4F1782E0" 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 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000D_01C437AC.4F1782E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageSorry, Rusty My current two tube intake simply has a "U" inside the box = connecting the two tubes (for the pulse tuning) and then a hole on the = front that feeds the both arms of the "U" that the throttle body fits = over. I'll try to find a drawing or photo Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Tuesday, May 11, 2004 9:49 PM Subject: [FlyRotary] Rusty's 3rd intake Thanks to all who commented on the TB choice. I have ordered a 65mm = Edelbrock unit that fits a 5.0L mustang. =20 Thanks also for the links to places who sell parts. Alex, that link = was great! Finally, thanks to Ed for his pictures, even though he's messing with = my mind. I could have sworn that his last intake had only two tubes, = not four like in the pics he sent. Of course his adjustable intake does = have two tubes. I was actually looking for pics of how the two tube = chamber was made, but I think I understand. =20 I had 4 hours of dodging tourists along Hwy 98 today to think about my = plans. I'll describe my plans, and I'd like to hear any comments you = might have. =20 The plan is to use the Atkins short, straight intake that I got from = Dave L. This takes the four ports, and combines them into two, with a = 2" ID hole on the TB end. It has two bosses on top of the secondary = runners, which (as someone pointed out earlier) are spaced perfectly for = the stock secondary fuel rail. I'll plan to install two injectors = there, as well as the normal two primaries in the center housing. I'll = then take two pre-bent 45 degree pieces of 2"OD x .065 tubing, and weld = them to a flange that will bolt to the intake where the TB normally = goes. The bend will angle down, to clear the cowl, but stay above as = high as possible above the exhaust. This will likely be cut off about = two inches after the bend, and will complete the intake portion. The TB = portion will be (unfortunately) made from fiberglass, due to the goofy = shape. The plan will be to make a U shaped tube out of fiberglass, that = fairs into a flat portion on the bottom side, just large enough for the = 65mm TB. I'll connect the two pieces with rubber hose for = testing/tuning purposes, but will likely replace the rubber with = aluminum tubing once a final length is reached. =20 OK, so there it is. What do you think? It will have to be a big = improvement over what I have now, at least in the throttle response = category. If I can manage to get any reasonable length out of the = tubes, I can hopefully get some tuning for power as well. =20 Thanks, Rusty (I want to be just like Ed) ------=_NextPart_000_000D_01C437AC.4F1782E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Sorry, Rusty
 
    My current two tube = intake=20 simply has a "U" inside the box connecting the two tubes (for the pulse = tuning)=20 and then a hole on the front that feeds the both arms of the "U" that = the=20 throttle body fits over.  I'll try to find a drawing or = photo
 
Ed
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Tuesday, May 11, 2004 = 9:49 PM
Subject: [FlyRotary] Rusty's = 3rd=20 intake

Thanks to all = who=20 commented on the TB choice.  I have ordered a 65mm Edelbrock unit = that=20 fits a 5.0L mustang. 
 
Thanks also = for the links=20 to places who sell parts.  Alex, that link was = great!
 
Finally, = thanks to Ed for=20 his pictures, even though he's messing with my mind.  I could = have sworn=20 that his last intake had only two tubes, not four like in the pics he=20 sent.  Of course his adjustable intake does have two tubes.  = I was=20 actually looking for pics of how the two tube chamber was made, but I = think I=20 understand. 
 
I had 4 hours = of dodging=20 tourists along Hwy 98 today to think about my plans.  I'll = describe my=20 plans, and I'd like to hear any comments you might have. =20
 
The plan is = to use the=20 Atkins short, straight intake that I got from Dave L.  This takes = the=20 four ports, and combines them into two, with a 2" ID hole on the TB = end. =20 It has two bosses on top of the secondary runners, which (as someone = pointed=20 out earlier) are spaced perfectly for the stock secondary fuel = rail. =20 I'll plan to install two injectors there, as well as the normal two = primaries=20 in the center housing.  I'll then take two pre-bent 45 degree = pieces of=20 2"OD x .065 tubing, and weld them to a flange that will bolt to the = intake=20 where the TB normally goes.  The bend will angle down, to clear = the cowl,=20 but stay above as high as possible above the exhaust.  This = will=20 likely be cut off about two inches after the bend, and will complete = the=20 intake portion.  The TB portion will be (unfortunately) made from = fiberglass, due to the goofy shape.  The plan will be to make a U = shaped=20 tube out of fiberglass, that fairs into a flat portion on the bottom = side,=20 just large enough for the 65mm TB.  I'll connect the = two pieces=20 with rubber hose for testing/tuning purposes, but will likely replace = the=20 rubber with aluminum tubing once a final length is=20 reached.  
 
OK, so there = it=20 is.  What do you think?  It will have to be a big = improvement=20 over what I have now, at least in the throttle response = category.  If I=20 can manage to get any reasonable length out of the tubes, I can = hopefully get=20 some tuning for power as well. 
 
Thanks,
Rusty (I want = to be just=20 like Ed)
 
 
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