X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ispmxmta06-srv.alltel.net ([166.102.165.167] verified) by logan.com (CommuniGate Pro SMTP 5.0.7) with ESMTP id 965790 for flyrotary@lancaironline.net; Thu, 02 Feb 2006 22:12:28 -0500 Received-SPF: pass receiver=logan.com; client-ip=166.102.165.167; envelope-from=montyr2157@alltel.net Received: from Thorstwin ([162.39.150.89]) by ispmxmta06-srv.alltel.net with SMTP id <20060203031144.ZIWB3660.ispmxmta06-srv.alltel.net@Thorstwin> for ; Thu, 2 Feb 2006 21:11:44 -0600 Message-ID: <001701c6286f$a380dc90$01fea8c0@Thorstwin> From: "M Roberts" To: Subject: Airfoils Date: Thu, 2 Feb 2006 21:12:17 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0014_01C6283D.58BDD5F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0014_01C6283D.58BDD5F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Are there any opinions on a good airfoil for 2,400 pounds going 200 MPH? Lynn E. Hanover Lynn, What are you wanting out of the airplane. Max cruise efficiency? Gentle = stall, high alpha operations, STOL? need more info. What is your wing = loading and aspect ratio? What type of flaps do you plan to use if any? = What is your projected landing speed? I like the 65 series NACA airfoils. There are more modern sections but = they tend to be more temperamental or have ugly Cm numbers. Monty ------=_NextPart_000_0014_01C6283D.58BDD5F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Are there any opinions = on a good=20 airfoil for 2,400 pounds going 200 MPH?

Lynn E. = Hanover

Lynn,

What are you wanting out of the = airplane. Max=20 cruise efficiency? Gentle stall, high alpha operations, STOL? need more = info.=20 What is your wing loading and aspect ratio? What type of flaps do you = plan to=20 use if any? What is your projected landing speed?

I like the 65 series NACA airfoils. = There are more=20 modern sections but they tend to be more temperamental or have ugly Cm=20 numbers.

Monty

------=_NextPart_000_0014_01C6283D.58BDD5F0--