Return-Path: Received: from fed1mtao07.cox.net ([68.6.19.124] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2577909 for flyrotary@lancaironline.net; Sat, 13 Sep 2003 01:08:48 -0400 Received: from Leonards ([68.111.228.182]) by fed1mtao07.cox.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20030913050843.VJXJ13988.fed1mtao07.cox.net@Leonards> for ; Sat, 13 Sep 2003 01:08:43 -0400 From: "David Leonard" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: turbo wastegate requirements Date: Fri, 12 Sep 2003 22:08:48 -0700 Message-ID: <000001c379b5$1d662220$b6e46f44@Leonards> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C3797A.71074A20" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3416 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C3797A.71074A20 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Even at 18k ft, that's only 10k ft of normalization for cruise power, or 5psi (roughly). I really wish I knew how much boost the 9.7 rotors would tolerate. If 6 psi is safe, then I'd be tempted to just set the relief valve there, and try to adjust the throttle for 5 psi. I suspect this will still be with a fully open wastegate. Did I mention that I can't wait to actually try some of this stuff :-)Rusty I cant wait for you to try some of this stuff as well. I especially can't wait until I try it. :-) No one seems to discussed the stock waste-gate controller. This is what I plan to use. Should be more hands off and still produce good boost with some safety against boost creep. I also have a greddy pop-off valve but haven't decided if it is needed. I may not install it. I have the 9.0 rotors and a well-fed intercooler so I plan to run a little higher boost if I want to. I also have an IFR panel so I could climb above 18k every once and a while. Would I need to? - almost never. But no one has mentioned one of the big pluses of the turbo. bragging rights :-) What would 36 in. MAP at 21K get us in terms of TAS? Of course - 30 min of endurance is not that great but you only need to gather the numbers once to enjoy bragging rights for a lifetime :-) So- how's that LAEV prop coming, or am I going to have to cough-up the green for an MT? David Leonard The Rotary Roster: http://members.aol.com/_ht_a/rotaryroster/index.html ------=_NextPart_000_0001_01C3797A.71074A20 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Even at 18k ft, that's only 10k ft = of normalization for cruise power, or 5psi (roughly). = I = really wish I knew how much boost the 9.7 rotors would tolerate. If 6 psi is = safe, then I'd be tempted to just set the relief valve there, and try to = adjust the throttle for 5 psi. I suspect this will still be with a fully open wastegate. Did I mention that I can't wait to actually try some of = this stuff :-)Rusty

I cant wait for you to try some of = this stuff as well. I especially can’t wait until I try it. = J No one seems to = discussed the stock waste-gate controller. This is what I plan to use. = Should be more hands off and still produce good boost with some safety against = boost creep. I also have a greddy pop-off valve but haven’t = decided if it is needed. I may not install it.

I have the 9.0 rotors and a = well-fed intercooler so I plan to run a little higher boost if I want to. I = also have an IFR panel so I could climb above 18k every once and a = while. Would I need to? – almost never. But no one has = mentioned one of the big pluses of the turbo… bragging rights = J What would 36 in. MAP at = 21K get us in terms of TAS? Of course – 30 min of endurance is not that = great but you only need to gather the numbers once to enjoy bragging rights = for a lifetime J

So- how’s that LAEV prop = coming, or am I going to have to cough-up the green for an MT?

David Leonard

The Rotary = Roster:

http://memb= ers.aol.com/_ht_a/rotaryroster/index.html

------=_NextPart_000_0001_01C3797A.71074A20--