Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Wed, 16 Mar 2005 19:39:22 -0500 Message-ID: X-Original-Return-Path: Received: from systems3.net ([68.14.236.16] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP-TLS id 795943 for lml@lancaironline.net; Wed, 16 Mar 2005 10:02:12 -0500 Received-SPF: none receiver=logan.com; client-ip=68.14.236.16; envelope-from=cberland@systems3.net Received: from systems0d3b724 ([192.168.1.81]) by systems3.net (8.13.1/8.13.1/Debian-12) with SMTP id j2GF1Q2g002455 for ; Wed, 16 Mar 2005 08:01:26 -0700 X-Original-Message-ID: <002201c52a38$1f642880$5101a8c0@systems0d3b724> From: "Craig Berland" X-Original-To: "Lancair Mail List" Subject: [LML] Re: supershargers X-Original-Date: Wed, 16 Mar 2005 07:54:53 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01C529FD.6FE8F550" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Virus-Scanned: clamd / ClamAV version 0.75-1, clamav-milter version 0.75c on linux X-Virus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_001B_01C529FD.6FE8F550 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Has anyone tried mechanically linking the throttle to a variable wastegate on the manifold between supercharger and carburetor? I was thinking that this way possibly the more-opened-up wastegate could let the pressure blow off when the throttle was pulled back, and = increase=20 the blow-off level as the throttle was opened. Terrence What has been done, is use an electric clutch similar to the A/C = compressor clutch to disengage the supercharger at low RPM or where boost is not = required. In my opinion, the only real advantage of a mechanically driven = supercharger is low RPM response. I can't see the need in an aircraft. Maybe = aerobatics?? Craig Berland ------=_NextPart_000_001B_01C529FD.6FE8F550 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Has anyone=20 tried mechanically linking the throttle to a variable
wastegate on = the=20 manifold between supercharger and carburetor?
I was thinking that = this way=20 possibly the more-opened-up wastegate could
let the pressure blow off = when=20 the throttle was pulled back, and increase
the blow-off level as the = throttle was opened.  Terrence
 
What has been=20 done, is use an electric clutch similar to the A/C=20 compressor
clutch to=20 disengage the supercharger at low RPM or where boost is not=20 required.
In my opinion, the only real advantage of a mechanically driven=20 supercharger is
low RPM response. I can't see the need in an aircraft.  Maybe=20 aerobatics??
Craig=20 Berland

 ------=_NextPart_000_001B_01C529FD.6FE8F550--