X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 28 May 2010 13:15:38 -0400 Message-ID: X-Original-Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4329314 for lml@lancaironline.net; Fri, 28 May 2010 11:11:00 -0400 Received-SPF: none receiver=logan.com; client-ip=71.74.56.122; envelope-from=Wolfgang@MiCom.net X-Original-Return-Path: X-Authority-Analysis: v=1.1 cv=EbJB9AiBqsyZPMVATYsj78CfMiBiOs+4P7kRKNQkfg0= c=1 sm=0 a=wMS0ngMIEBAA:10 a=GQCbJdZ--msA:10 a=MHZY6FYWMEQOp7S43i2QIw==:17 a=Ia-xEzejAAAA:8 a=R2j2TePVjLsxZ-t5g8wA:9 a=CoaRrvXj9Lqv9TBlUMsA:7 a=dVNGKUqyMYpPExiMdX8BzTFgxboA:4 a=wPNLvfGTeEIA:10 a=EzXvWhQp4_cA:10 a=3oc9M9_CAAAA:8 a=Z1vLX8AxzdujaXM3ZwkA:9 a=4EsaFqnE9HTj7wxwNkoA:7 a=S-LiW5g2P_6txq1YHR_Gq2uDvtYA:4 a=U8Ie8EnqySEA:10 a=MHZY6FYWMEQOp7S43i2QIw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.218.201.50 Received: from [74.218.201.50] ([74.218.201.50:1229] helo=Lobo) by hrndva-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id F8/92-27594-FDCDFFB4; Fri, 28 May 2010 15:10:24 +0000 X-Original-Message-ID: <005401cafe77$e4d973e0$6401a8c0@Lobo> From: "Wolfgang" X-Original-To: References: Subject: Re: [LML] Re: Legacy Trim Tab Servo Speed Control X-Original-Date: Fri, 28 May 2010 11:10:22 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0051_01CAFE56.5D876F80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0051_01CAFE56.5D876F80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable How many incidents have been recorded of a shorted trim switch causing = run-away servo travel ? Wolfgang ----- Original Message -----=20 From: mikeeasley=20 To: lml@lancaironline.net=20 Sent: Thursday, May 27, 2010 2:14 PM Subject: Re: [LML] Re: Legacy Trim Tab Servo Speed Control 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 ------=_NextPart_000_0051_01CAFE56.5D876F80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
How many incidents have been recorded = of a shorted=20 trim switch causing run-away servo travel ?
 
Wolfgang
 
----- Original Message -----
From:=20 mikeeasley=20
Sent: Thursday, May 27, 2010 = 2:14=20 PM
Subject: Re: [LML] Re: Legacy = Trim Tab=20 Servo Speed Control

I installed the Safety Trim module = primarily to=20 handle the two trim switches on the sticks and to deal with the = potential=20 (although extremely unlikely) of runaway trim due to a stuck switch or = shorted=20 switch.  The stock ES elevator trim is uncontrollable in the full = down=20 position.  I also installed a shorter throw trim servo to = eliminate=20 unneeded down trim.  The two speed feature was more of an extra = bonus in=20 my airplane.  I flew my ES with full speed trim for 4 years, = bumping the=20 trim switch, and it wasn't that big of a deal.  With the two = speeds you=20 hold the switch for about a half second instead of = tapping.
 
The Safety Trim module handles two = trim switches=20 automatically.  It has a 3 second auto-off feature to catch = runaway=20 trim.  It has a panel mounted three way momentary switch that = allows the=20 pilot to reverse the trim travel in the event of a stuck or shorted=20 switch.  And a two speed (both adjustable) feature that can be = operated=20 by a flap microswitch or airspeed switch.
 
I removed my Ray Allen speed control = module and=20 didn't need the Ray Allen Relay Deck that has been a failure point in = the=20 past.  Although the new relay deck REL-2 is supposed to be more = reliable=20 that the old REL-1
 
The Safety Trim is just another = goodie in a long=20 list that wasn't necessary, but something that I thought added some = additional=20 safety and functionality
 
Mike Easley
Colorado=20 Springs
------=_NextPart_000_0051_01CAFE56.5D876F80--