X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 941073 for flyrotary@lancaironline.net; Thu, 12 May 2005 08:52:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050512125148.DEEI2457.imf23aec.mail.bellsouth.net@rd> for ; Thu, 12 May 2005 08:51:48 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: silly intake idea of the day Date: Thu, 12 May 2005 07:52:08 -0500 Message-ID: <002401c556f1$683e0810$04000100@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0025_01C556C7.7F680010" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0025_01C556C7.7F680010 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I believe you would do much better by placing a square pleated filter = at an angle in a only slightly longer "shoebox". The individual cleaners work = ok but will cause no end of low-end tuning headaches. Much better to use = the airhorns however short. See equally terrible paint example! You can = match the height of the box to a filter from the parts store.=20 Bill Jepson=20 =20 Thanks Bill, =20 So I guess the individual filters probably aren't the best idea :-) =20 =20 As for the height of air horns, how much does it matter? The TWM site lists a dimension guide: http://www.twminduction.com/AirHorn/AirHornDimensionGuide.html This = shows two different "types" of air horns, full radius, and shorty. =20 =20 They also show a graph of short vs tall air horns: http://www.twminduction.com/AirHorn/short_tall.html This seems to give = the impression that short is better. The question is what their definition = of short and tall is. If short means the shorty type, then the intake just saved some space. =20 =20 FWIW, I have the shorty type on my TWM TB now, and they really did make = a difference when compared to not having any air horn. =20 =20 Thanks, Rusty (still trying to resist messing with it, but resistance is futile) =20 =20 =20 =20 ------=_NextPart_000_0025_01C556C7.7F680010 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
 I believe you would do much better by placing a square = pleated filter=20 at an angle in a only slightly longer "shoebox". The individual cleaners = work ok=20 but will cause no end of low-end tuning headaches. Much better to use = the=20 airhorns however short. See equally terrible paint example! You can = match the=20 height of the box to a filter from the parts store.
Bill Jepson 
 
Thanks=20 Bill,
 
So = I guess the=20 individual filters probably aren't the best idea=20 :-)  
 
As = for the height=20 of air horns,  how much does = it=20 matter?  The TWM site lists a dimension guide: = h= ttp://www.twminduction.com/AirHorn/AirHornDimensionGuide.html &n= bsp;=20 This shows two different "types" of air horns, full radius, and = shorty. =20
 
They also show a=20 graph of short vs tall air horns:  http://www.t= wminduction.com/AirHorn/short_tall.html  =20 This seems to give the impression that short is better.  The = question is=20 what their definition of short and tall is.  If short means the = shorty=20 type, then the intake just saved some space.   =
 
FWIW, I have the=20 shorty type on my TWM TB now, and they really did make a difference when = compared to not having any air horn. 
 
Thanks,
Rusty (still=20 trying to resist messing with it, but resistance is = futile)
 
 
 
 
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