X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mfep7.connect.com.au ([210.8.231.144] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 938514 for flyrotary@lancaironline.net; Tue, 10 May 2005 07:25:58 -0400 Received-SPF: none receiver=logan.com; client-ip=210.8.231.144; envelope-from=ianb@ozzienet.net Received: from MAIN (unknown [203.129.129.26]) by mfep7.connect.com.au (Postfix) with SMTP id 9DD7BB07C for ; Tue, 10 May 2005 21:29:21 +1000 (EST) Message-ID: <004c01c55552$f1723480$1a8181cb@MAIN> From: "Ian Beadle" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 4-port intake measurements Date: Tue, 10 May 2005 15:09:02 +0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0027_01C55572.3365CEF0" 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_0027_01C55572.3365CEF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Monday, May 09, 2005 11:22 AM Subject: [FlyRotary] Re: 4-port intake measurements You get an "A" for attention to detail and I get an "F" for dividing = by 2 instead of 3 {:>). 7000/3 =3D 2333. 60/2333 =3D 0.0257 , = 0.0257/6 =3D .00428 between pulses. Length =3D .00428 *1100 =3D 4.7 = ft/2 =3D 2.35 ft or 28.2 " Yep, still a bit long for your needs. =20 Ed Oops The 6000rpm calc. 1/2 of 5.5ft is 2.75ft or 32 ".The 6 port Renesis = runner length is approximately 21 ". So rpm =3D 32/21 X 6000 =3D 9143 = rpm. Bit high for a plane but about right for the car. I am aiming for 7500rpm climb so I will need 25.6" or 650mm. Ian Beadle -------------------------------------------------------------------------= ----- Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.6 - Release Date: 11/04/2005 ------=_NextPart_000_0027_01C55572.3365CEF0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Ed=20 Anderson
Sent: Monday, May 09, 2005 = 11:22 AM
Subject: [FlyRotary] Re: 4-port = intake=20 measurements

You get an "A" for attention to = detail and I get=20 an "F" for dividing by 2 instead of 3 {:>).  7000/3 =3D=20 2333.   60/2333 =3D 0.0257 , =20 0.0257/6 =3D .00428 between pulses.  Length =3D  =  .00428=20 *1100  =3D 4.7 ft/2 =3D 2.35 ft or 28.2 "  Yep, still a bit = long for=20 your needs. 
 
Ed
Oops
The 6000rpm=20 calc. 1/2 of 5.5ft is 2.75ft or 32 ".The 6 port Renesis runner length = is=20 approximately 21 ". So rpm =3D 32/21 X 6000 =3D 9143 = rpm.
Bit high=20 for a plane but  about right for the = car.
I am aiming=20 for 7500rpm climb so I will need 25.6"  or = 650mm.
 
Ian=20 Beadle

Internal Virus Database is out-of-date.
Checked by AVG=20 Anti-Virus.
Version: 7.0.308 / Virus Database: 266.9.6 - Release = Date:=20 11/04/2005
------=_NextPart_000_0027_01C55572.3365CEF0--