Return-Path: Received: from marvkaye.olsusa.com ([205.245.9.212]) by truman.olsusa.com (Post.Office MTA v3.1.2 release (PO203-101c) ID# 0-44819U2500L250S0) with SMTP id AAA2372 for ; Fri, 23 Oct 1998 09:12:07 -0400 Message-Id: <3.0.3.32.19981023091011.00d81814@olsusa.com> Date: Fri, 23 Oct 1998 09:10:11 -0400 To: lancair.list@olsusa.com From: (by way of Marvin Kaye ) Subject: Re:Hydraulic power pack location X-Mailing-List: lancair.list@olsusa.com Mime-Version: 1.0 <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> Pine asks about the best place for the hydraulic powerpack and hardpoints... I put the unit behind the passenger seat on my 360. This was recommended by Orrin at Lancair. It has turned out to be a blessing since you have to monkey with the installation, plumbing, wiring, testing etc. quite a bit. Getting back behind the baggage bulkhead to do all these things would be a real stinker. Othe benefits are that the wiring and plumbing are a little shorter, easier, lighter. Depending on how you want to orient the unit, you'll need to fabricate a small bulkhead to mount the pump against. I cut a hole in the seat for an access panel so that I can get at the system. You'll see all this when you get to that point. Concerning hard points, you have a good idea. Shape doesn't matter, just distribute the loads in a reasonable manner. I generally did mine with the dremel and jig sawed the phenolic but you have a good idea. Somebody else mentioned replacing the nose gear gas strut on the IV when it gets easy to compress. On the 360 the procedure is to test the free fall capability in-flight with the pump disabled. If the strut doesn't push the nose gear down against slipstream, replace it. Does the IV not have this procedure? A list of max. bolt torques is provided in the Lancair 360FB builder's manual in the engine installation chapter (21 I believe). Ed de Chazal Rochester, Michigan