X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 06 Apr 2006 21:53:49 -0400 Message-ID: X-Original-Return-Path: Received: from mxsf19.cluster1.charter.net ([209.225.28.219] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1059807 for lml@lancaironline.net; Wed, 05 Apr 2006 22:07:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.225.28.219; envelope-from=troneill@charter.net Received: from mxip15a.cluster1.charter.net (mxip15a.cluster1.charter.net [209.225.28.145]) by mxsf19.cluster1.charter.net (8.12.11/8.12.11) with ESMTP id k36271nY002043 for ; Wed, 5 Apr 2006 22:07:01 -0400 Received: from 68-184-229-22.dhcp.stls.mo.charter.com (HELO axs) ([68.184.229.22]) by mxip15a.cluster1.charter.net with SMTP; 05 Apr 2006 22:07:01 -0400 X-Original-Message-ID: <002901c6591e$cb20e760$6501a8c0@axs> From: "terrence o'neill" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Flap (Relay) Failure 320 X-Original-Date: Wed, 5 Apr 2006 21:07:01 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0026_01C658F4.E1D53A30" 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_0026_01C658F4.E1D53A30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I LOVE that helmet! How much? I think the solid state unit is made from compressed choclate chip = cookies. : ) Terencio LNC2 N211AL ----- Original Message -----=20 From: Sky2high@aol.com=20 To: Lancair Mailing List=20 Sent: Wednesday, April 05, 2006 08:56 PM Subject: [LML] Re: Flap (Relay) Failure 320 In a message dated 4/5/2006 5:04:06 P.M. Central Daylight Time, = n103md@yahoo.com writes: As many have noted, a common failure mode in the LNC2 is the flap's (electromechanical) relay wiring and contacts.=20 Has anyone replaced their flap control relays with=20 solid-state controls? I would expect a considerable increase in reliability if properly designed.=20 Taking that idea a step further, the limit switches=20 could be made latching so that coasting past the=20 switch would no longer be a problem. i.e. when=20 the controller detects that the down limit switch is triggered, it shorts the motor until it detects the up control switch is closed.=20 Has anyone done this already?=20 Or should I go ahead and design it?=20 Bob, The limit switches detect the presence or absence of the stabilizing = rod. They are self-latching for any flap motor position at or beyond = their limit. The relays work just fine for most everyone. However, Solid state like this: http://www.periheliondesign.com/powerlinkjr.htm Scott Krueger AKA Grayhawk LNC2 N92EX IO 320 SB 89/96 ------=_NextPart_000_0026_01C658F4.E1D53A30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I LOVE that helmet! = How=20 much?

I think the solid state unit = is made=20 from compressed choclate chip cookies.

: )

Terencio LNC2 = N211AL

----- Original Message -----
From:=20 Sky2high@aol.com=20
To: Lancair Mailing List

Sent: Wednesday, April 05, 2006 = 08:56=20 PM

Subject: [LML] Re: Flap (Relay) = Failure=20 320

In a message dated 4/5/2006 5:04:06 P.M. Central Daylight Time, = n103md@yahoo.com writes:
As=20 many have noted, a common failure mode in the LNC2
is the flap's=20 (electromechanical) relay wiring and contacts.
Has anyone = replaced their=20 flap control relays with
solid-state controls? I would expect a=20 considerable
increase in reliability if properly designed. =

Taking=20 that idea a step further, the limit switches
could be made = latching so=20 that coasting past the
switch would no longer be a problem. i.e. = when=20
the controller detects that the down limit switch
is = triggered, it=20 shorts the motor until it detects
the up control switch is = closed.=20

Has anyone done this already?
Or should I go ahead and = design=20 it?

Bob,

The limit switches detect the presence or absence of the = stabilizing=20 rod. They are self-latching for any flap motor position at or = beyond=20 their limit.

The relays work just fine for most everyone.

However, Solid state like this:

http://www.perih= eliondesign.com/powerlinkjr.htm

Scott=20 Krueger AKA Grayhawk
LNC2 N92EX IO 320 SB=20 89/96

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