Return-Path: Received: from [65.33.163.227] (account marv@lancaironline.net) by logan.com (CommuniGate Pro WebUser 4.3c2) with HTTP id 795121 for lml@lancaironline.net; Tue, 15 Mar 2005 18:29:10 -0500 From: "Marvin Kaye" Subject: Re: [LML] Re: supershargers To: lml X-Mailer: CommuniGate Pro WebUser Interface v.4.3c2 Date: Tue, 15 Mar 2005 18:29:10 -0500 Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format="flowed" Content-Transfer-Encoding: 8bit Posted for "Bill Kennedy" : Hmm, when I"m going x knots up hill on my bicycle, it's a lot different than going x knots downhill in the same gear. I wonder if it's not the same thing with the supercharger. If you're dumping the output rather than pressurizing the intake system, it may not be causing that much drag on the engine. > Because for optimal efficiency, as the power demand changes, you want the >output and power drag from the supercharger to change. At the lower power >settings, you're still having to turn the supercharger at the fixed crank >ratio rpm. So, if you're turning 2400 rpms, the supercharger is still >turning at the ratio that it is geared or belted to turn whether you are at >15" MP or at 29" MP. That is inefficient and undesirable. > Walter