X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 07 Jun 2010 19:34:15 -0400 Message-ID: X-Original-Return-Path: Received: from snt0-omc3-s40.snt0.hotmail.com ([65.54.51.77] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4339407 for lml@lancaironline.net; Mon, 07 Jun 2010 17:10:37 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.51.77; envelope-from=gary21sn@hotmail.com Received: from SNT112-DS4 ([65.55.90.135]) by snt0-omc3-s40.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Mon, 7 Jun 2010 14:10:02 -0700 X-Originating-IP: [24.216.229.86] X-Originating-Email: [gary21sn@hotmail.com] X-Original-Message-ID: X-Original-Return-Path: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" Subject: Re: UV Exposure in Cockpit through Acrylic Canopies X-Original-Date: Mon, 7 Jun 2010 14:09:47 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00D4_01CB064B.16957AC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V10.00.0070.1500 Seal-Send-Time: Mon, 7 Jun 2010 14:09:48 -0700 X-OriginalArrivalTime: 07 Jun 2010 21:10:02.0666 (UTC) FILETIME=[CB9CD0A0:01CB0685] This is a multi-part message in MIME format. ------=_NextPart_000_00D4_01CB064B.16957AC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dermatologists may disagree with you Lorn. At my last office visit last = summer, she suggested I limit my sun exposure especially on top of my = shoulders, and "wear a ball cap while flying my plane" (I never have = before as I have thick hair.) I am primarily German and native American = (Cherokee) mix (although I claim to be just "plain western American") = and have always been an outdoor type. An analogy: overexposure to the sun is akin to using tobacco; the = 'player' pays for it later in life. Gary Edwards LNC2 =20 ----- Original Message -----=20 From: Lorn H Olsen=20 To: lml@lancaironline.net=20 Sent: Monday, June 07, 2010 10:24 AM Subject: [LML] Re: UV Exposure in Cockpit through Acrylic Canopies Jeff, I have flown my 320 for up to 5.5 hours, at altitude, with no shirt and = in the sun. I have never been able to feel any effect of the sun. I am a fair skinned Dane-German but tan easily. Sun exposure, if not = excessive, is good for you. My canopy has just the slightest of tint. see: http://www.dynacomm.us/lorn/ Lorn > From: "Jeffrey Liegner, MD" = > > Date: June 5, 2010 10:10:22 PM EDT >=20 > I noticed the other day that my transition lenses were ~half tinted = while flying in some sun inside my air conditioned LIVP at FL210, so UV = must be penetrating the thick acrylic canopy material. This is not the = case inside a car. >=20 > Being a fair skinned irish-german, I slather 85+ SPF Neutrogenia = lotion on regularly and daily, but always felt that inside the cockpit = (or car) that my exposure was minimum. This suggests that long flights = might justify reapplication of sun block. >=20 > Manufactures of acrylic canopies can choose to add UV filters to = enhance the filtration above 300nm. >=20 > Just sharing an observation to my fellow Lancair pilots. >=20 > Jeff L -- Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, Inst DynaComm, Corp., 248-345-0500, = mailto:lorn@dynacomm.us LNC2, FB90/92, O-320-D1F, 1,700 hrs, N31161, Y47, SE Michigan ------=_NextPart_000_00D4_01CB064B.16957AC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dermatologists may disagree with you Lorn.  At my last office=20 visit last summer, she suggested I limit my sun exposure especially = on top=20 of my shoulders, and "wear a ball cap while flying my plane" (I = never have=20 before as I have thick hair.)  I am primarily German and native=20 American (Cherokee) mix (although I claim to be just "plain western = American") and have always been an outdoor type.
 
An analogy: overexposure to the sun is akin to using = tobacco; the=20 'player' pays for it later in life.
 
Gary Edwards
LNC2
   
----- Original = Message -----=20
Sent: Monday, June 07, 2010 10:24 AM
Subject: [LML] Re: UV Exposure in Cockpit through Acrylic=20 Canopies

Jeff,

I have flown my 320 for up to 5.5 hours, at=20 altitude, with no shirt and in the sun. I have never been able to feel = any=20 effect of the sun.

I am a fair skinned Dane-German but tan = easily. Sun=20 exposure, if not excessive, is good for you.

My canopy has just = the=20 slightest of tint.

see: http://www.dynacomm.us/lorn/
Lorn

>=20 From: "Jeffrey Liegner, MD" <liegner@embarqmail.com>
= >=20 Date: June 5, 2010 10:10:22 PM EDT
>
> I noticed the = other day=20 that my transition lenses were ~half tinted while flying in some sun = inside my=20 air conditioned LIVP at FL210, so UV must be penetrating the thick = acrylic=20 canopy material.  This is not the case inside a car.
> =
> Being=20 a fair skinned irish-german, I slather 85+ SPF Neutrogenia lotion on = regularly=20 and daily, but always felt that inside the cockpit (or car) that my = exposure was=20 minimum.  This suggests that long flights might justify = reapplication of=20 sun block.
>
> Manufactures of acrylic canopies can choose = to add=20 UV filters to enhance the filtration above 300nm.
>
> Just = sharing=20 an observation to my fellow Lancair pilots.
>
> Jeff=20 L
--
Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, = Inst
DynaComm,=20 Corp., 248-345-0500, mailto:lorn@dynacomm.us
LNC2, = FB90/92,=20 O-320-D1F, 1,700 hrs, N31161, Y47, SE = Michigan


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