Return-Path: Received: from mail.rdc1.sfba.home.com ([24.0.0.66]) by ns1.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-64832U3500L350S0V35) with ESMTP id com for ; Wed, 14 Jun 2000 22:36:37 -0400 Received: from C300135A ([24.16.36.220]) by mail.rdc1.sfba.home.com (InterMail v4.01.01.00 201-229-111) with SMTP id <20000615024243.FUQB14856.mail.rdc1.sfba.home.com@C300135A> for ; Wed, 14 Jun 2000 19:42:43 -0700 Message-ID: <002801bfd673$c3af6c60$dc241018@frmt1.sfba.home.com> From: "W. Hogarty" To: Subject: Vacuum generator for LIV-4P Date: Wed, 14 Jun 2000 19:45:28 -0700 X-Mailing-List: lancair.list@olsusa.com Mime-Version: 1.0 <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> I have been trying to find a way to provide vacuum to the Outflow Valve on a pressurized all-electric IV without tapping the engine and going thru the firewall. The rep at Duke, Inc (mfg of the outflow valve) has suggested a small low cost vacuum generator mfgr by the Ander Corp which uses pressure from the door seal air pump to supply vacuum to the outflow valve. Since vacuum is only needed on the ground, a small valve could be used to isolate the vacuum generator from the pressure system while airborne. Another solution would be to let the door seal pump cycle a few extra times during flight since we are talking about a very small amount of pressure air. The vacuum generator is non-electric and has no moving parts. Shipping is free if purchased on the web. Cost is approx $ 25.00.each. Let me know if anyone is interested and I will be happy to make a group purchase. Bill Hogarty Hogarty@home.com >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/Users/Mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>