X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 03 Mar 2014 07:49:19 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-curtail.atl.sa.earthlink.net ([209.86.89.64] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6754754 for lml@lancaironline.net; Fri, 28 Feb 2014 19:35:14 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.64; envelope-from=douglasbrunner@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=XHjaQSZquQx9yyLVKoC9SwbphnrpU4EsJZp59wOKFmiB27sKJei/09gxig5Q0VXJ; h=Received:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:Thread-Index:Content-Language:X-ELNK-Trace:X-Originating-IP; Received: from [67.8.30.30] (helo=DougsVAIO) by elasmtp-curtail.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1WJXsy-00085m-Sl for lml@lancaironline.net; Fri, 28 Feb 2014 19:34:37 -0500 From: "Douglas Brunner" X-Original-To: "'Lancair Mailing List'" Subject: FW: Flap Hinge Fairings X-Original-Date: Fri, 28 Feb 2014 19:34:40 -0500 X-Original-Message-ID: <001401cf34e6$08d60580$1a821080$@net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01CF34BC.1FFFFD80" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac8pvw8xGjpC3C8CQpSIsxxR6dPR7ALI59OwAADU45A= Content-Language: en-us X-ELNK-Trace: ad85a799c4f5de37c2eb1477c196d22294f5150ab1c16ac0b4de374c5ae8ff79ecef75ab7d34dceeb8aa37df7b764d7e350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 67.8.30.30 This is a multi-part message in MIME format. ------=_NextPart_000_0015_01CF34BC.1FFFFD80 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Douglas Brunner [mailto:legacyflyer@gmail.com] Sent: Friday, February 28, 2014 7:33 PM To: 'Douglas Brunner'; larry.eversmeyer@gmail.com; cfi@instructor.net; browncc1@verizon.net; legacy495sl@comcast.net; flycassutts@yahoo.com; ernestsutter@sbcglobal.net; mikepatey@me.com; mark@pateys.com; mcmess1919@yahoo.com; setrige.crawford@lmco.com; pjdmiller@gmail.com; n765cd@hotmail.com; james@seilbach.com; farnsworth@charter.net; 'Pahan Ranasingha'; bay@farwellgroup.com; dballin@gmail.com Cc: 'Lancair Mailing List'; mraphael@dirdim.com; 'ted brunner'; 'Bill Morgan'; 'Mark Mahnke'; 'David McRae'; 'Devins,Richard C,Jr'; 'Matthew Collier'; Harry Hinckley Subject: RE: Flap Hinge Fairings I was hoping that these flap hinge fairings were going to make me a small fortune in aviation (you know, the kind that starts with a large fortune) but .. Before Flap Hinge Fairings Heading Ground Speed True Air Speed Date 2/25/14 360 232 234 Alt 8,000 ft OAT 55 Deg. F 90 262 234 RPM 2,600 MAP 23.3 inches 180 247 234 Fuel Flow 18.2 GPH Peak EGT 1,295 Deg. F 270 216 234 EGT 1,195 Deg. F 239 234 Flap Hinge Fairings Installed Heading Ground Speed True Air Speed Date 2/28/14 360 235 237 Alt 8,000 ft OAT 48 Deg. F 90 250 237 RPM 2,600 MAP 23.4 inches 180 243 237 Fuel Flow 18.4 GPH Peak EGT 1,295 Deg. F 270 231 237 EGT 1,195 Deg. F 240 237 Using 4 way GPS ground speed - It appears that they give about 1 knot in speed improvement. And given all the factors at play and the possible variation in the measurements, it is possible they don't even do that. Using True Air Speed from my Chelton, they appear to give an improvement of 3 knots. However, I don't believe this is as accurate or reliable a measurement as the GPS ground speed. I will also say that the fitting and body work I did to install them was quick and dirty and could be improved on. So maybe the 1 knot will turn into 2 but ... Subjectively, I thought they improved my climb rate - which would make sense given what parts of the wing would be in the air stream with a positive angle of attack. However, I don't have any data to back up this subjective impression. I can make sets for people that want them. Probably, the most economical way to get them would be with a group order. One off 3D printing can also be done but will probably cost more. I will approach various suppliers to get estimates. If you are interested contact me off the LML at: legacyflyer@gmail.com ------=_NextPart_000_0015_01CF34BC.1FFFFD80 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

 

From:= = Douglas Brunner [mailto:legacyflyer@gmail.com]
Sent: Friday, = February 28, 2014 7:33 PM
To: 'Douglas Brunner'; = larry.eversmeyer@gmail.com; cfi@instructor.net; browncc1@verizon.net; = legacy495sl@comcast.net; flycassutts@yahoo.com; = ernestsutter@sbcglobal.net; mikepatey@me.com; mark@pateys.com; = mcmess1919@yahoo.com; setrige.crawford@lmco.com; pjdmiller@gmail.com; = n765cd@hotmail.com; james@seilbach.com; farnsworth@charter.net; 'Pahan = Ranasingha'; bay@farwellgroup.com; dballin@gmail.com
Cc: = 'Lancair Mailing List'; mraphael@dirdim.com; 'ted brunner'; 'Bill = Morgan'; 'Mark Mahnke'; 'David McRae'; 'Devins,Richard C,Jr'; 'Matthew = Collier'; Harry Hinckley
Subject: RE: Flap Hinge = Fairings

 

I was hoping that these flap hinge fairings were = going to make me a small fortune in aviation (you know, the kind that = starts with a large fortune) but ….

 

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

Ground = Speed

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

232

=

ft

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

OAT

= <= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

262

=

 

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

MAP

=

inches

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

247

GPH

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

Peak = EGT

Deg. F

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

216

=

Deg. F

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

239

= = <= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

Ground = Speed

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

235

=

ft

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

OAT

= <= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

250

=

 

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

MAP

=

inches

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

243

GPH

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

Peak = EGT

Deg. F

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

231

=

Deg. F

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"23%" valign=3Dtop style=3D'width:23.54%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"14%" valign=3Dtop style=3D'width:14.3%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"4%" valign=3Dtop style=3D'width:4.62%;padding:0in 1.5pt 0in = 1.5pt;height:15.25pt'>

 

<= td width=3D"21%" valign=3Dtop style=3D'width:21.52%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

240

= = <= td width=3D"11%" valign=3Dtop style=3D'width:11.26%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

<= td width=3D"11%" valign=3Dtop style=3D'width:11.88%;padding:0in 1.5pt = 0in 1.5pt;height:15.25pt'>

 

Before Flap Hinge = Fairings

 

 

 

 

 

 

 

 

 

 

 

Heading

<= /td>

 

True Air = Speed

Date = 2/25/14

 

 

360

 

234

Alt

8,000

 

55

Deg. F

90

 

234

RPM

2,600

 

23.3

180

 

234

Fuel = Flow

18.2

 

1,295

270

 

234

EGT

1,195

 

 

234

 

 

 

 

Flap Hinge Fairings = Installed

 

 

 

 

 

 

 

 

 

 

 

Heading

<= /td>

 

True Air = Speed

Date = 2/28/14

 

 

360

 

237

Alt

8,000

 

48

Deg. F

90

 

237

RPM

2,600

 

23.4

180

 

237

Fuel = Flow

18.4

 

1,295

270

 

237

EGT

1,195

 

 

237

 

 

Using 4 way GPS ground = speed - It appears that they give about 1 knot in speed = improvement.  And given all the factors at play and the possible = variation in the measurements, it is possible they don’t even do = that.

 

Using True Air Speed = from my Chelton, they appear to give an improvement of 3 knots.  = However, I don’t believe this is as accurate or reliable a = measurement as the GPS ground speed.

 

I will also say that the = fitting and body work I did to install them was quick and dirty and = could be improved on.  So maybe the 1 knot will turn into 2 but = …..

 

Subjectively, I thought = they improved my climb rate - which would make sense given what parts of = the wing would be in the air stream with a positive angle of = attack.  However, I don’t have any data to back up this = subjective impression.

 

I can make sets for = people that want them.  Probably, the most economical way to get = them would be with a group order.  One off 3D printing can also be = done but will probably cost more.  I will approach various = suppliers to get estimates.

 

If you are interested = contact me off the LML at: legacyflyer@gmail.com

 

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