X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 04 Oct 2013 07:32:32 -0400 Message-ID: X-Original-Return-Path: Received: from fmailhost03.isp.att.net ([207.115.11.53] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6501556 for lml@lancaironline.net; Thu, 03 Oct 2013 17:28:09 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.53; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-109-33.mco.bellsouth.net[98.85.109.33]) by isp.att.net (frfwmhc03) with SMTP id <20131003212735H0300pnr34e>; Thu, 3 Oct 2013 21:27:35 +0000 X-Originating-IP: [98.85.109.33] From: "Bill Bradburry" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: LNC2 flaps at Reflex X-Original-Date: Thu, 3 Oct 2013 17:27:47 -0400 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01CEC05D.E14FFBD0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac7AfC8ooQCEOIhsQpyTGEzxzd+0gAAAvVgA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01CEC05D.E14FFBD0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hmmmm, If you don't know the HP that your engine is developing how would you go about discovering it? Can you determine HP by climb rate at a known weight? B2 _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com Sent: Thursday, October 03, 2013 5:04 PM To: lml@lancaironline.net Subject: [LML] Re: LNC2 flaps at Reflex Steve, Let's see, using an isosceles triangle where the long sides represent the distance from the hinge center to the TE. Then the similar right triangles formed within the isosceles triangle would result in the following calc: 2 x sin(.5 x angle) x side = tip movement or 2 x sin ((10-7)/2) x 11.75" = .61" = chord of the arc of movement. Thus, about .6" Grayhawk In a message dated 10/3/2013 3:37:59 P.M. Central Daylight Time, n5276j@aol.com writes: GrayHawk, My TE to the center of the hinge is 11.75" what would you guess the measurement up from the faired in position is to get the -10 degrees? You are right there is play on the small tailed 320-360. Steve Alderman N25SA -----Original Message----- From: Sky2high To: lml Sent: Thu, Oct 3, 2013 8:18 am Subject: [LML] LNC2 flaps at Reflex One small point. On the ground the flaps are adjusted and faired in at -7 degrees. In flight the effective angle is different as the flaps are reflexed further up by air loads that may well result in -10 degrees. This may be simulated on the ground by manually lifting the trailing edge of the flap with it at its electrically powered fully reflexed position and measuring that angle as the effective flight angle. Don't be timid in lifting the TE. Grayhawk ------=_NextPart_000_0003_01CEC05D.E14FFBD0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Hmmmm,

If you don’t know the HP that = your engine is developing how would you go about discovering it? Can = you determine HP by climb rate at a known = weight?

B2

From: = Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com
Sent: Thursday, October = 03, 2013 5:04 PM
To: = lml@lancaironline.net
Subject: [LML] Re: LNC2 = flaps at Reflex

Steve,

=

=

Let's see, using an isosceles triangle where the long sides represent the distance from the hinge = center to the TE. Then the similar right triangles formed within the = isosceles triangle would result in the following = calc:

=

2 x sin(.5 x angle) x side =3D tip = movement or 2 x sin ((10-7)/2) x 11.75" =3D .61" =3D chord of the = arc of movement.

=

Thus, about = .6"

=

Grayhawk

=

In a message dated 10/3/2013 = 3:37:59 P.M. Central Daylight Time, n5276j@aol.com = writes:

GrayHawk,<= /p>

=

My TE to the center of the hinge = is 11.75" what would you guess the measurement up from the faired in = position is to get the -10 degrees? You are right there is play on the small = tailed 320-360.

=

Steve Alderman = N25SA

-----Original Message-----
From: Sky2high <Sky2high@aol.com>
To: lml <lml@lancaironline.net>
Sent: Thu, Oct 3, 2013 8:18 am
Subject: [LML] LNC2 flaps at Reflex

One small point. On the = ground the flaps are adjusted and faired in at -7 degrees. In flight the effective angle is different as the flaps are reflexed further up by air = loads that may well result in -10 degrees. This may be simulated on the ground by manually lifting the trailing edge of the flap with it at = its electrically powered fully reflexed position and measuring that = angle as the effective flight angle. Don't be timid in lifting the = TE.

=

Grayhawk =

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