X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 27 May 2010 14:14:05 -0400 Message-ID: X-Original-Return-Path: Received: from imr-ma02.mx.aol.com ([64.12.206.40] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4327949 for lml@lancaironline.net; Thu, 27 May 2010 08:45:56 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.206.40; envelope-from=mikeeasley@aol.com Received: from mtaout-mb01.r1000.mx.aol.com (mtaout-mb01.r1000.mx.aol.com [172.29.41.65]) by imr-ma02.mx.aol.com (8.14.1/8.14.1) with ESMTP id o4RCjILo009700 for ; Thu, 27 May 2010 08:45:18 -0400 Received: from MikeNotebook (c-75-71-55-189.hsd1.co.comcast.net [75.71.55.189]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mtaout-mb01.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id DAE2FE00008F for ; Thu, 27 May 2010 08:45:17 -0400 (EDT) X-Original-Date: Thu, 27 May 2010 06:45:46 -0600 From: mikeeasley Subject: Re: [LML] Re: Legacy Trim Tab Servo Speed Control X-Original-To: "Lancair Mailing List" In-Reply-To: X-Original-Message-ID: <384c3681.0f6d.44ab.925f.5b5d0f749529@aol.com> References: X-Mailer: Nexus Desktop Client 3.3.4.1 MIME-Version: 1.0 Content-Type: MULTIPART/alternative; BOUNDARY=53004ae9-57f0-415a-8149-f2b0a06a4aba Content-Transfer-Encoding: 8BIT x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:202173680:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d29414bfe695d63bc X-AOL-IP: 75.71.55.189 --53004ae9-57f0-415a-8149-f2b0a06a4aba Content-Type: TEXT/plain; charset=us-ascii I installed the Safety Trim module primarily to handle the two trim switches on the sticks and to deal with the potential (although extremely unlikely) of runaway trim due to a stuck switch or shorted switch. The stock ES elevator trim is uncontrollable in the full down position. I also installed a shorter throw trim servo to eliminate unneeded down trim. The two speed feature was more of an extra bonus in my airplane. I flew my ES with full speed trim for 4 years, bumping the trim switch, and it wasn't that big of a deal. With the two speeds you hold the switch for about a half second instead of tapping. The Safety Trim module handles two trim switches automatically. It has a 3 second auto-off feature to catch runaway trim. It has a panel mounted three way momentary switch that allows the pilot to reverse the trim travel in the event of a stuck or shorted switch. And a two speed (both adjustable) feature that can be operated by a flap microswitch or airspeed switch. I removed my Ray Allen speed control module and didn't need the Ray Allen Relay Deck that has been a failure point in the past. Although the new relay deck REL-2 is supposed to be more reliable that the old REL-1 The Safety Trim is just another goodie in a long list that wasn't necessary, but something that I thought added some additional safety and functionality Mike Easley Colorado Springs --53004ae9-57f0-415a-8149-f2b0a06a4aba Content-Type: TEXT/html; charset=utf-8 Content-Transfer-Encoding: 8BIT

I installed the Safety Trim module primarily to handle the two trim switches on the sticks and to deal with the potential (although extremely unlikely) of runaway trim due to a stuck switch or shorted switch. The stock ES elevator trim is uncontrollable in the full down position. I also installed a shorter throw trim servo to eliminate unneeded down trim. The two speed feature was more of an extra bonus in my airplane. I flew my ES with full speed trim for 4 years, bumping the trim switch, and it wasn't that big of a deal. With the two speeds you hold the switch for about a half second instead of tapping.

The Safety Trim module handles two trim switches automatically. It has a 3 second auto-off feature to catch runaway trim. It has a panel mounted three way momentary switch that allows the pilot to reverse the trim travel in the event of a stuck or shorted switch. And a two speed (both adjustable) feature that can be operated by a flap microswitch or airspeed switch.

I removed my Ray Allen speed control module and didn't need the Ray Allen Relay Deck that has been a failure point in the past. Although the new relay deck REL-2 is supposed to be more reliable that the old REL-1

The Safety Trim is just another goodie in a long list that wasn't necessary, but something that I thought added some additional safety and functionality

Mike Easley

Colorado Springs

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