X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 17 Oct 2008 02:25:04 -0400 Message-ID: X-Original-Return-Path: Received: from smtp-ext-05.mx.pitdc1.expedient.net ([206.210.69.145] verified) by logan.com (CommuniGate Pro SMTP 5.2.8) with ESMTPS id 3213762 for lml@lancaironline.net; Wed, 15 Oct 2008 09:09:46 -0400 Received-SPF: none receiver=logan.com; client-ip=206.210.69.145; envelope-from=rpastusek@htii.com Received: from dlhtpax009 (static-71-178-198-10.washdc.fios.verizon.net [71.178.198.10]) by smtp-ext-05.mx.pitdc1.expedient.net (Postfix) with ESMTPSA id DC305E4D8A for ; Wed, 15 Oct 2008 09:09:09 -0400 (EDT) Reply-To: From: "Robert Pastusek" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] CARB HEAT CABLE is POSSESSED in a Lancair 320 MKII. X-Original-Date: Wed, 15 Oct 2008 09:09:07 -0400 Organization: Holmes-Tucker International, Inc. X-Original-Message-ID: <053d01c92ec7$364941b0$a2dbc510$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_053E_01C92EA5.AF37A1B0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AckszYlJvMq8HzPOQMi6lyIxpWz82QB+GJhQ Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_053E_01C92EA5.AF37A1B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Matt Reeves wrote: .I have the standard Lancair 320 air box. At high airspeeds such as 200 mph or more, my carb heat will come out about 1/2 inch and the engine of course runs a little rougher. I push it in, it comes back out all by itself. So my fingers get tired holding it in. Matt, I had exactly the same problem with the oil cooler door on my Lancair IV-P. The door would "blow" shut at airspeeds above about 160, causing an oil over-heat. I need to note also, that Lancair's Tim Wilson advised me that I would have this problem when he inspected my airplane. He told me that I should have used the Lancair-provided locking push cable for this. (I chose to use a standard push cable as I had several, and wanted them to all look alike on the panel-Don't say it!) In any case, both ACS and Lancair have a very nice push cable with a spring-loaded "push to unlock" button in the center of the operating knob. Works like some RPM control cables, but much smaller-it has a black knob, and is just a bit larger than the standard push cable. I changed out the offending cable in my IV-P, and have had no trouble since. I might add that the pressure on this cable while in flight is significant. Now that it's worn a bit and loosened up, it will push to the closed position at any time the button is depressed to unlock it. Give this a try; it's designed to work your specific problem. Bob Pastusek ------=_NextPart_000_053E_01C92EA5.AF37A1B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Matt Reeves wrote:

 

…I have = the standard Lancair 320 air box.  At high airspeeds such as 200 mph or = more, my carb heat will come out about 1/2 inch and the engine of course runs = a little rougher.  I push it in, it comes back out all by itself.   So my fingers get tired holding it in…

 

Matt,

I had exactly the = same problem with the oil cooler door on my Lancair IV-P. The door would = “blow” shut at airspeeds above about 160, causing an oil over-heat. I need to note = also, that Lancair’s Tim Wilson advised me that I would have this = problem when he inspected my airplane. He told me that I should have used the Lancair-provided locking push cable for this. (I chose to use a standard = push cable as I had several, and wanted them to all look alike on the = panel—Don’t say it!)

In any case, both ACS = and Lancair have a very nice push cable with a spring-loaded “push to = unlock” button in the center of the operating knob. Works like some RPM control = cables, but much smaller—it has a black knob, and is just a bit larger = than the standard push cable.

I changed out the = offending cable in my IV-P, and have had no trouble since. I might add that the pressure = on this cable while in flight is significant. Now that it’s worn a = bit and loosened up, it will push to the closed position at any time the button = is depressed to unlock it.


Give this a try; it’s designed to work your specific = problem.


Bob Pastusek

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