X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.3.2) with ESMTP id 960086 for flyrotary@lancaironline.net; Sun, 22 May 2005 22:24:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.67; envelope-from=13brv3@bellsouth.net Received: from ibm60aec.bellsouth.net ([65.6.194.9]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050523022402.OMNL2061.imf19aec.mail.bellsouth.net@ibm60aec.bellsouth.net> for ; Sun, 22 May 2005 22:24:02 -0400 Received: from rd ([65.6.194.9]) by ibm60aec.bellsouth.net (InterMail vG.1.02.00.01 201-2136-104-101-20040929) with ESMTP id <20050523022401.TKQN11146.ibm60aec.bellsouth.net@rd> for ; Sun, 22 May 2005 22:24:01 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Rev-5 intake suggestions? Date: Sun, 22 May 2005 21:24:27 -0500 Message-ID: <015a01c55f3e$8b78fba0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_015B_01C55F14.A2A2F3A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_015B_01C55F14.A2A2F3A0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable OK, Rusty, you asked for it. Why don't you just cut a hole in the cowling and put a 180 degree = "scoop" on like Tracy and Bernie? If it doesn't increase performance, surely patching the hole in the = cowling whould be a lot less work than what you've already gone through. Finn =20 Hi Finn, =20 I expect to use the 40mm TB that I have now on the single rotor, so it = will need to get removed from the RV-3 at some point. One option is to make = a similar intake, but with larger runners, and leave them just a few = inches shorter. I could have proper airhorns extending out from the TB then. = I could also close in the bottom of the area as an airbox, then seal the = top to the cowl itself with the flexible seals that every Lycoming powered = plane uses on the baffles. Add a proper ram air scoop to the cowl, and it = should be quite an improvement. The only problem is there's no room in that = plan for a filter. =20 =20 I have lots of ideas, just don't know which way to go yet. Fortunately, = the current intake is fine for now, and I finally fixed my oil leak even. = Had a totally uneventful tour of the beach today. =20 =20 Cheers, Rusty (association comments withheld)=20 ------=_NextPart_000_015B_01C55F14.A2A2F3A0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
OK, Rusty, you asked for it.
Why don't you just cut a hole in = the=20 cowling and put a 180 degree "scoop" on like Tracy and Bernie?
If it = doesn't=20 increase performance, surely patching the hole in the cowling whould be = a lot=20 less work than what you've already gone = through.

Finn

 
Hi=20 Finn,
 
I expect to=20 use the 40mm TB that I have now on the single rotor, so it will need to = get=20 removed from the RV-3 at some point.  One option is to make a = similar=20 intake, but with larger runners, and leave them just a few = inches=20 shorter.  I could have proper airhorns extending out from the TB=20 then.  I could also close in the bottom of the area as an = airbox,=20 then seal the top to the cowl itself with the flexible seals that every = Lycoming=20 powered plane uses on the baffles.  Add a proper ram air scoop = to the=20 cowl, and it should be quite an improvement.  The only problem = is=20 there's no room in that plan for a = filter.  
 
I have=20 lots of ideas, just don't know which way to go yet.  = Fortunately,=20 the current intake is fine for now, and I finally fixed my oil leak = even. =20 Had a totally uneventful tour of the beach=20 today.  
 
Cheers,
Rusty (association comments=20 withheld) 
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