X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 29 Apr 2007 18:46:31 -0400 Message-ID: X-Original-Return-Path: Received: from mail3.dotsterhost.com ([72.5.54.189] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with SMTP id 2016647 for lml@lancaironline.net; Sun, 29 Apr 2007 18:44:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=72.5.54.189; envelope-from=jtrepicone@trepicone.com Received: (qmail 24059 invoked from network); 29 Apr 2007 22:42:24 -0000 Received: from unknown (HELO jenny) (jtrepicone@trepicone.com@[65.24.51.114]) by 72.5.54.189 with SMTP; 29 Apr 2007 22:42:23 -0000 From: "Joe Trepicone" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Lancair IV turbine yaw solutions? X-Original-Date: Sun, 29 Apr 2007 18:44:07 -0400 X-Original-Message-ID: <000a01c78aaf$e5d5ea60$0210a8c0@jenny> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000B_01C78A8E.5ECBEB80" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6822 Importance: Normal Thread-Index: AceKedhsCCsPmrLqRJ2bM+jXmWrgzgANHOgg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_000B_01C78A8E.5ECBEB80 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Berni, I know of several people who've added a ventral fin much like = the one posted. I hope some of them might give their experience. There is = one solution I've seen pictures of incorporates vortex generators mounted on each side of the vertical stabilizer. It's currently being flown by a = very experienced Lancair flyer. He actually flying with both the vortex generators and the ventral fin for about 6 months now I'd guess. I've = been told the difference is "profound". =20 Joe Trepicone IVPT =20 =20 =20 -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Berni Sent: Sunday, April 29, 2007 12:18 PM To: lml@lancaironline.net Subject: [LML] Lancair IV turbine yaw solutions? =20 I am going through flight tests following my conversion from an IO550 to = a Walter turbine in my Lancair IV. Can anyone offer feedback on their experience with adverse yaw on a turbine? Have any Lancair IV turbine owners modified their tail in an attempt to address yaw? =20 =20 Berni Breen bbreen@cableone.net Cell: (228) 342-2521 =20 ------=_NextPart_000_000B_01C78A8E.5ECBEB80 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Berni,  I know of several = people who’ve added a ventral fin much like the one posted.  I hope some of them = might give their experience.  There is one solution I’ve seen = pictures of incorporates vortex generators mounted on each side of the vertical stabilizer.  = It’s currently being flown by a very experienced Lancair flyer.  He = actually flying with both the vortex generators and the ventral fin for about 6 = months now I’d guess.  I’ve been told the difference is = “profound”. 

Joe Trepicone = IVPT

 

 

 

-----Original = Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Berni
Sent: Sunday, April 29, 2007 12:18 = PM
To: = lml@lancaironline.net
Subject: [LML] Lancair IV = turbine yaw solutions?

 

I am going through flight = tests following my conversion from an IO550 to a Walter turbine in my Lancair IV.  Can anyone offer feedback on their experience with adverse yaw = on a turbine?  Have any Lancair IV turbine owners modified their tail in = an attempt to address yaw?  

 

Berni = Breen

bbreen@cableone.net=

Cell: (228) = 342-2521

 

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