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X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 941084 for flyrotary@lancaironline.net; Thu, 12 May 2005 09:19:36 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=sqpilot@bellsouth.net Received: from paul52u7f5qyav ([209.214.44.33]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with SMTP id <20050512131849.FKCN2059.imf22aec.mail.bellsouth.net@paul52u7f5qyav> for ; Thu, 12 May 2005 09:18:49 -0400 Message-ID: <01ab01c556f5$16571830$322cd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: silly intake idea of the day Date: Thu, 12 May 2005 08:18:27 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01A8_01C556CB.2C7FA5C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_01A8_01C556CB.2C7FA5C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Thursday, May 12, 2005 7:52 AM Subject: [FlyRotary] Re: silly intake idea of the day 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 Thanks Bill, So I guess the individual filters probably aren't the best idea :-) =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 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 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 Thanks, Rusty (still trying to resist messing with it, but resistance is = futile) Hi, Rusty....curious about the bell mouths/air horns you used. You = mentioned that it "really did make a difference when compared to not = having any air horn" Any guestimate regarding rpm or power increase = obtained from the air horns? (WAG is fine). Paul Conner, thinking about = another intake manifold just to keep up with Rusty -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.11.8 - Release Date: 5/10/2005 ------=_NextPart_000_01A8_01C556CB.2C7FA5C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message

----- Original Message -----

From:=20 Russell=20 Duffy

To: Rotary motors in = aircraft

Sent: Thursday, May 12, 2005 = 7:52=20 AM

Subject: [FlyRotary] Re: silly = intake=20 idea of the day

I believe you would do much better by placing a square = pleated=20 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=20 better to use the airhorns however short. See equally terrible paint = example!=20 You can match the 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=20 height 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=20 a 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=20 the shorty type on my TWM TB now, and they really did make a = difference when=20 compared to not having any air horn.

Thanks,

Rusty (still=20 trying to resist messing with it, but resistance is=20 futile)

Hi, Rusty....curious about the = bell=20 mouths/air horns you used. You mentioned that it "really did make a = difference=20 when compared to not having any air horn" Any guestimate = regarding rpm=20 or power increase obtained from the air horns? (WAG is fine). = Paul=20 Conner, thinking about another intake manifold just to keep up with=20 Rusty

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.308 / Virus Database: 266.11.8 - Release = Date:=20 5/10/2005
------=_NextPart_000_01A8_01C556CB.2C7FA5C0--