X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from bay0-omc2-s5.bay0.hotmail.com ([65.54.190.80] verified) by logan.com (CommuniGate Pro SMTP 5.3.6) with ESMTP id 4249325 for flyrotary@lancaironline.net; Wed, 05 May 2010 22:28:42 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.190.80; envelope-from=stol83001@live.com Received: from BAY143-W20 ([65.54.190.125]) by bay0-omc2-s5.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Wed, 5 May 2010 19:28:06 -0700 Message-ID: Return-Path: stol83001@live.com Content-Type: multipart/alternative; boundary="_cb0fc12a-18b1-4770-87cc-e00267b04744_" X-Originating-IP: [75.174.171.58] From: ben haas To: Subject: RE: [FlyRotary] Gravity Feed Date: Wed, 5 May 2010 20:28:06 -0600 Importance: Normal In-Reply-To: References: MIME-Version: 1.0 X-OriginalArrivalTime: 06 May 2010 02:28:06.0938 (UTC) FILETIME=[C317DFA0:01CAECC3] --_cb0fc12a-18b1-4770-87cc-e00267b04744_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable I don't thing there was ever a 300hp motor that ran a carb. Those high HP m= otors had fuel injection.. IIRC there was some 240 -260 hp ones but they ha= d a mech fuel pump on the motor to boost the flow.. Ben Haas www.haaspowerair.com =20 To: flyrotary@lancaironline.net From: archerwt@gmail.com Date: Wed=2C 5 May 2010 18:52:47 -0700 Subject: [FlyRotary] Gravity Feed =20 =20 Anyone who knows feel free to explain to me why a Marvel-Schebler updraft c= an feed 300 hp with gravity but pumps are needed for Webers or Holleys. I = understand the updraft gets another 18=94 of pressure but am assuming it is= simply by design that the response is improved with a few lbs of pressure.= Since we aren=92t too worried about throttle response as long as it doesn= =92t stumble=2C would a gravity-fed Holley be a waste of time? =20 Todd =20 =20 _________________________________________________________________ Hotmail is redefining busy with tools for the New Busy. Get more from your = inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=3DPID28326::T:WLMTAGL:O= N:WL:en-US:WM_HMP:042010_2= --_cb0fc12a-18b1-4770-87cc-e00267b04744_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable I don't thing there was ever a 300hp motor that ran a carb. Those high HP m= otors had fuel injection.. IIRC there was some 240 -260 hp ones but they ha= d a =3B mech fuel pump on the motor to boost the flow..

Ben Haas
www.haaspowerair.com


 =3B
To: flyrotary@lancaironline.net
From: archerwt@gmail.com
Date: Wed=2C= 5 May 2010 18:52:47 -0700
Subject: [FlyRotary] Gravity Feed

 =3B

 =3B

Anyone who knows feel fre= e to explain to me why a Marvel-Schebler updraft can feed 300 hp with gravi= ty but pumps are needed for Webers or Holleys. =3B I understand the upd= raft gets another 18=94 of pressure but am assuming it is simply by design = that the response is improved with a few lbs of pressure. =3B Since we = aren=92t too worried about throttle response as long as it doesn=92t stumbl= e=2C would a gravity-fed Holley be a waste of time?

 =3B

Todd

 =3B

 =3B


Hotmail is redefining busy with tools = for the New Busy. Get more from your inbox. See how. = --_cb0fc12a-18b1-4770-87cc-e00267b04744_--