Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Tue, 03 Jun 2003 19:10:18 -0400 Message-ID: X-Original-Return-Path: Received: from web41311.mail.yahoo.com ([66.218.93.60] verified) by logan.com (CommuniGate Pro SMTP 4.1b7) with SMTP id 2400540 for flyrotary@lancaironline.net; Tue, 03 Jun 2003 11:33:25 -0400 X-Original-Message-ID: <20030603153324.76202.qmail@web41311.mail.yahoo.com> Received: from [67.40.15.195] by web41311.mail.yahoo.com via HTTP; Tue, 03 Jun 2003 08:33:24 PDT X-Original-Date: Tue, 3 Jun 2003 08:33:24 -0700 (PDT) From: John Overman Subject: Re: [FlyRotary] Re: electric vacuum pump - a way unscientific science experiment X-Original-To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii --- John Slade wrote: > Matt, > > For what its worth, I am using a early 80's diesel > Chevy Chevette > > Alternator, with the vacuum pump attached to the > rear. > Isn't that the one Greg Richter had trouble with? > Any idea why his failed? > I'd like a solution for vacuum other than exhaust or > intake. > John Slade John: My understanding was that as installed in Greg's plane the unit turned way faster than it was designed to. Couldn't take sustained 6000rpm. If you could gear it for slower slternator speed it should work. Just a guess John __________________________________ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com