X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 06 Jun 2007 09:37:14 -0400 Message-ID: X-Original-Return-Path: Received: from [64.203.254.40] (HELO hargray.com) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2087034 for lml@lancaironline.net; Wed, 06 Jun 2007 07:35:20 -0400 Received-SPF: none receiver=logan.com; client-ip=64.203.254.40; envelope-from=greg@afshhi.com Received: from [64.203.200.245] (HELO acerfd6b6b72e3) by fe1.hargray.com (CommuniGate Pro SMTP 5.0.12) with SMTP id 116218383 for lml@lancaironline.net; Wed, 06 Jun 2007 07:34:42 -0400 From: "Greg Goodrich" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: Hickman's Accident: NTSB Probable Cause Report X-Original-Date: Wed, 6 Jun 2007 07:21:36 -0400 X-Original-Message-ID: <69876F1F9615D448B5A67B337A8144FE032628@SERVER.autofire.local> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0022_01C7A80D.0FCBBC80" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0022_01C7A80D.0FCBBC80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit this only happens lop if rop not an issue -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Dr Andre Katz Sent: Tuesday, June 05, 2007 2:16 PM To: lml@lancaironline.net Subject: [LML] Re: Hickman's Accident: NTSB Probable Cause Report due to whatever reason my IV-P at high altitude usually when using MP of 31 inches with 2500 RPM and FF of 16.5 g/hr and changing fuel tanks, unless I go momentarily into high boost my engine quits. The switch to high boost does not stop the engine, I use low boost ocassionally on take off but usually not. In the air at lower altitudes high boost does not make the engine quit. 550 continental standard I do not know the TDC settings. I have 400 hrs in it so i learned to live with it. andres Kevin Stallard wrote: The Piper turbo arrow that I fly from time to time has a small turbo charged continental six cylinder engine with a low and high boost pump switch. If you accidentally put the high boost on, it kills the engine. The high and low boost switch is a three way switch with a metal locking mechanism that won't allow you to turn on the high boost with out pushing the metal guard up. It takes some effort to do... Kevin I was advised when I built my panel not to put the high boost and low boost on a three way switch. The reasoning was you could easily go to turn off the low boost and accidentally hit the switch all the way to high boost. Is that what the NTSB is suggesting here? Mike Easley ------=_NextPart_000_0022_01C7A80D.0FCBBC80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

this=20 only happens lop if rop not an issue

-----Original Message-----
From: Lancair Mailing = List=20 [mailto:lml@lancaironline.net]On Behalf Of Dr Andre=20 Katz
Sent: Tuesday, June 05, 2007 2:16 PM
To:=20 lml@lancaironline.net
Subject: [LML] Re: Hickman's Accident: = NTSB=20 Probable Cause Report

due to whatever reason my IV-P at high altitude usually when = using MP of=20 31 inches with 2500 RPM and FF of 16.5 g/hr and changing fuel tanks, = unless I=20 go momentarily into high boost my engine quits. The switch to high = boost does=20 not stop the engine, I use low boost ocassionally on take off but = usually not.=20 In the air at lower altitudes high boost does not make the engine = quit. 550=20 continental standard I do not know the TDC settings. I have 400 hrs in = it so i=20 learned to live with it.

andres

Kevin Stallard = <Kevin@arilabs.net>=20 wrote:

The Piper = turbo=20 arrow that I fly from time to time has a small turbo charged = continental six=20 cylinder engine with a low and high boost pump switch. If you=20 accidentally put the high boost on, it kills the engine.=20

The high = and low=20 boost switch is a three way switch with a metal locking mechanism = that won't=20 allow you to turn on the high boost with out pushing the metal guard = up. It takes some effort to = do...

Kevin=20

I was = advised when=20 I built my panel not to put the high boost and low boost on a three = way=20 switch. The reasoning was you could easily go to turn off = the low=20 boost and accidentally hit the switch all the way to high = boost. Is=20 that what the NTSB is suggesting = here?

Mike=20 Easley

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