X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 05 Jun 2007 12:36:13 -0400 Message-ID: X-Original-Return-Path: Received: from [69.146.254.20] (HELO arilabs.net) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2085298 for lml@lancaironline.net; Tue, 05 Jun 2007 11:47:23 -0400 Received-SPF: none receiver=logan.com; client-ip=69.146.254.20; envelope-from=Kevin@arilabs.net Subject: RE: [LML] Re: Hickman's Accident: NTSB Probable Cause Report MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C7A788.B8324684" X-Original-Date: Tue, 5 Jun 2007 09:46:37 -0600 Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 X-Original-Message-ID: <7141427652BB3049A7DBF1084B67805B0F802C@penumbra.arilabs.net> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: Hickman's Accident: NTSB Probable Cause Report Thread-Index: AceniBXoHrtLxW1PTbmoHeCcnDrSwgAADK6A From: "Kevin Stallard" X-Original-To: "Lancair Mailing List" This is a multi-part message in MIME format. ------_=_NextPart_001_01C7A788.B8324684 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable 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. =20 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... =20 Kevin=20 =20 =20 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? =20 Mike Easley ------_=_NextPart_001_01C7A788.B8324684 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

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

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