X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 05 Jul 2007 15:46:30 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d04.mx.aol.com ([205.188.157.36] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2159543 for lml@lancaironline.net; Thu, 05 Jul 2007 10:09:24 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.157.36; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d04.mx.aol.com (mail_out_v38_r9.2.) id q.d32.10b3f1f9 (41809) for ; Thu, 5 Jul 2007 10:08:41 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Thu, 5 Jul 2007 10:08:40 EDT Subject: Re: [LML] Flap Switch X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1183644520" X-Mailer: 9.0 Security Edition for Windows sub 5365 X-Spam-Flag: NO -------------------------------1183644520 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 7/5/2007 8:44:52 A.M. Central Daylight Time, GLaznic@MCCUS.JNJ.com writes: Flap Switch I am building L-360 and currently working on a panel and flap system. Could you please let me know the most suitable switch for flap operation. I will place my switch on the bottom right of off avionics' stack. I am not sure if I should use "on-off-momentary" or "momentary-off-momentary" flap switch. Also I am considering putting this switch on the side of Infinity stick, perhaps. Thank you in advance for your comments. Garry, One can learn to use any switch or combination. The only advantage of a "raise the flaps all the way" switch is for a technique that is used to kill the float when landing. Of course, proper speed control reduces the float also. The disadvantage is in a go-around and the tremendous pitching moment the flaps create - the plane will be dramatically out of trim until the pilot starts chasing the pitch change. Keeping one's fingers on the momentary up switch for a few seconds on take off, after the gear is raised, doesn't seem to be a problem to me. Momentary switches would seem to be even more appropriate if located on the stick and probably nice if some spare fingers can also adjust the pitch trim at the same time that whatever remaining fingers are moving the stick (don't tell me you might try to use the PTT trigger, too). I have heard of stick mounted switch/wire problems so it might be useful to consider back up switches on the panel duplicating the functions available on the stick and a switch to allow or eliminate any flight control functions provided on the co-pilot's stick. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Darwinian culling phrase: Watch This! ************************************** See what's free at http://www.aol.com. -------------------------------1183644520 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 7/5/2007 8:44:52 A.M. Central Daylight Time,=20 GLaznic@MCCUS.JNJ.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Flap=20 Switch
I am building L-360 and currently working on a panel and flap=20 system. Could you please let me know the most suitable switch for flap=20 operation. I will place my switch on the bottom right of off avionics' sta= ck.=20 I am not sure if I should use "on-off-momentary" or "momentary-off-momenta= ry"=20 flap switch. Also I am considering putting this switch on the side of Infi= nity=20 stick, perhaps. Thank you in advance for your=20 comments.

Garry,

One can learn to use any switch or combination. The only advantag= e of=20 a "raise the flaps all the way" switch is for a technique that is used to ki= ll=20 the float when landing. Of course, proper speed control reduces the fl= oat=20 also. The disadvantage is in a go-around and the tremendous pitching=20 moment the flaps create - the plane will be dramatically out of trim until t= he=20 pilot starts chasing the pitch change.

Keeping one's fingers on the momentary up switch for a few seconds = ;on=20 take off, after the gear is raised, doesn't seem to be a problem to me.

Momentary switches would seem to be even more appropriate if located on= the=20 stick and probably nice if some spare fingers can also adjust the pitch= =20 trim at the same time that whatever remaining fingers are moving t= he=20 stick (don't tell me you might try to use the PTT trigger, too).

I have heard of stick mounted switch/wire problems so it might be usefu= l to=20 consider back up switches on the panel duplicating the functions available o= n=20 the stick and a switch to allow or eliminate any flight=20 control functions provided on the co-pilot's stick.

Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)

Darwinian culling phrase: Watch=20 This!

See what's fr= ee at AOL.com.=

-------------------------------1183644520--