X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 28 May 2013 23:05:29 -0400 Message-ID: X-Original-Return-Path: Received: from qmta08.westchester.pa.mail.comcast.net ([76.96.62.80] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6295011 for lml@lancaironline.net; Tue, 28 May 2013 21:12:01 -0400 Received-SPF: none receiver=logan.com; client-ip=76.96.62.80; envelope-from=rob@robmurawski.com Received: from omta17.westchester.pa.mail.comcast.net ([76.96.62.89]) by qmta08.westchester.pa.mail.comcast.net with comcast id hQ7y1l0041vXlb858dBR8h; Wed, 29 May 2013 01:11:25 +0000 Received: from wintermute.rob-home.local. ([76.120.173.140]) by omta17.westchester.pa.mail.comcast.net with comcast id hdBQ1l012326lCk3ddBR3e; Wed, 29 May 2013 01:11:25 +0000 Received: from darkside (darkside.rob-home.local [192.168.0.51]) (authenticated bits=0) by wintermute.rob-home.local. (8.14.5/8.14.5) with ESMTP id r4T1BNpg017147 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO) for ; Tue, 28 May 2013 21:11:24 -0400 From: "Rob Murawski" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: Lancair Aerobatics X-Original-Date: Tue, 28 May 2013 21:11:19 -0400 X-Original-Message-ID: <001e01ce5c09$706855b0$51390110$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01CE5BE7.E956B5B0" X-Mailer: Microsoft Office Outlook 12.0 Content-Language: en-us Thread-Index: Ac5b5iAh+QjwQuobTxafYn3Ln9m46gAInigw This is a multi-part message in MIME format. ------=_NextPart_000_001F_01CE5BE7.E956B5B0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Yes, the wing area changes depending on whether you have the extended = wing tips or not: =20 http://www.n91cz.com/Interesting_Technical_Reports/Lancair%20Brochure-RDM= -small.pdf =20 See the (next to) last page. The extended wing tips add about 2 feet to = each wing span. It doesn=E2=80=99t give the wing area for the extended = wing tips, but it shows 19 lbs/sq ft for the extended wing tips and = 22.17 lbs/sq ft for the standard wing tips which approximates the math = we=E2=80=99ve seen. =20 Note that my copy of the Lancair POH states that aerobatics are not = recommended with the extended wing tips. =20 -Rob =20 From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Tom Sent: Tuesday, May 28, 2013 4:58 PM To: lml@lancaironline.net Subject: [LML] Re: Lancair Aerobatics =20 I have seen the 19lb/sq ft number quoted in at least 2 places but as = grayhawk points out the math does not work out. I have also seen the = wing area quoted as 78sq ft. In addition, on a long trip with my wife = I am always 1800# where I certified the aircraft. That puts me in the = region of 26lb/sq ft. Anybody have the "real" wing area and insight to = why 19lb/sq ft turns up in the literature? =20 Thanks =20 Tom Sent from my iPad On May 28, 2013, at 1:53 PM, Sky2high@aol.com wrote: 320/370 wing area =3D 70 sq. ft. Avg operating weight of 360 =3D 1600 = lbs. Wing loading =3D 22.857142857142 =20 Grayhawk =20 PS Quad Cities Challenger II =3D 5 lbs/sq ft. - exciting in turbulence. =20 In a message dated 5/28/2013 12:38:45 P.M. Central Daylight Time, = cwfmd@yahoo.com writes: Airframe Wing Loading =20 Cessna 150/172 10.5 traffic pattern hazard! Pitts S2 13 RV8 15.5 Lancair 360 19 Lancair IV-P 36.2 ! Internet poll- not scientific or stat signif =20 ------=_NextPart_000_001F_01CE5BE7.E956B5B0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Yes, the wing area changes depending on whether you have the extended = wing tips or not:

 

http://www.n91cz.com/Interesting_Technical_Reports/La= ncair%20Brochure-RDM-small.pdf

 

See the (next to) last page.=C2=A0 The extended wing tips add about 2 = feet to each wing span.=C2=A0 It doesn=E2=80=99t give the wing area for = the extended wing tips, but it shows 19 lbs/sq ft for the extended wing = tips and 22.17 lbs/sq ft for the standard wing tips which approximates = the math we=E2=80=99ve seen.

 

Note that my copy of the Lancair POH states that aerobatics are not = recommended with the extended wing tips.

 

-Rob

 

From:= = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Tom
Sent: Tuesday, May 28, 2013 4:58 PM
To: = lml@lancaironline.net
Subject: [LML] Re: Lancair = Aerobatics

 

I have = seen the 19lb/sq ft number quoted in at least 2 places but as grayhawk = points out the math does not work out.  I have also seen the wing = area quoted as 78sq ft.   In addition, on a long trip with my wife = I am always 1800# where I certified the aircraft. That puts me in the = region of 26lb/sq ft.  Anybody have the "real" wing area = and insight to why 19lb/sq ft turns up in the = literature?

 

Thanks

 

Tom

Sent from my = iPad


On May 28, 2013, at 1:53 PM, Sky2high@aol.com = wrote:

3= 20/370 wing area =3D 70 sq. ft.  Avg operating weight of 360 =3D = 1600 lbs.  Wing loading =3D = 22.857142857142

&= nbsp;

G= rayhawk

&= nbsp;

P= S Quad Cities Challenger II =3D 5 lbs/sq ft. - exciting in = turbulence.

&= nbsp;

I= n a message dated 5/28/2013 12:38:45 P.M. Central Daylight Time, cwfmd@yahoo.com = writes:

Airframe          =   Wing Loading   

Cessna = 150/172     10.5   traffic pattern = hazard!
Pitts = S2            = ;      = 13
RV8          &nbs= p;            = 15.5
Lancair = 360            = 19
Lancair = IV-P           36.2 =    !

Internet poll- not scientific or stat = signif

 

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