X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 08 Aug 2010 19:46:01 -0400 Message-ID: X-Original-Return-Path: Received: from smtp101.sbc.mail.re3.yahoo.com ([66.196.96.84] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with SMTP id 4422478 for lml@lancaironline.net; Sat, 07 Aug 2010 20:43:35 -0400 Received-SPF: none receiver=logan.com; client-ip=66.196.96.84; envelope-from=Lancair1@bellsouth.net Received: (qmail 48135 invoked from network); 8 Aug 2010 00:43:00 -0000 Received: from DougHPPC (Lancair1@98.82.157.171 with login) by smtp101.sbc.mail.re3.yahoo.com with SMTP; 07 Aug 2010 17:42:59 -0700 PDT X-Yahoo-SMTP: DusPlfGswBAl7wtqFzQUR2IcVv1i0z4gnKT0Em7VqxiCxIg- X-YMail-OSG: ilpiCtUVM1mbfwpvu3P8LScjf0bsf2V6OXjzSa4bZcyp9KH 5cp1aUEIrI0IpGHIwVlY5r0eGrUNJe37F2.gxpievu0WolIYMiOP6FQgYze7 3SF0fFJ7efWrszV7XPXfFyW722XLLsxQUqtXJga0NIPVOAOjJL.roNOThroZ GPyIpIAgssIGGThz2AFnC._SHLr9EKxkz99CB.OjIe4FYoyZ_TlzkrV7Jrvx dk4YHc.oTsLo5Zd..4xfcEJNvnrKK.20er41KJZrPFVGF1z9PkvIqFFBz16N h_Aiekm488VVSC5Bt4Ln6nAHa2eGHsoccnlLoLXUKxCJ3uCBXBREv_Ez92q7 WDEu8zModAL9jy3XEOdXE0oznEvjAQO7Qe6YeX1mf9CXZaXvVixZqStaf X-Yahoo-Newman-Property: ymail-3 From: "Doug Johnson" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: Removing Leading Edge tape X-Original-Date: Sat, 7 Aug 2010 20:42:27 -0400 X-Original-Message-ID: <028601cb3692$93d86a70$bb893f50$@net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0287_01CB3671.0CC6CA70" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acs17mE7duP+OT47SkaxbuVnX0/plwAo05wA Content-Language: en-us x-cr-hashedpuzzle: CNk= AKib AxVM A0ID A+2e BGOJ BVhq CUpU EMgs Ft4u F9BV G4bb HnaL IXm3 JVen LY4g;1;bABtAGwAQABsAGEAbgBjAGEAaQByAG8AbgBsAGkAbgBlAC4AbgBlAHQA;Sosha1_v1;7;{3BEC7F9F-DE82-4D93-A8FB-DF9CA6DA3B40};bABhAG4AYwBhAGkAcgAxAEAAYgBlAGwAbABzAG8AdQB0AGgALgBuAGUAdAA=;Sun, 08 Aug 2010 00:42:24 GMT;UgBlAG0AbwB2AGkAbgBnACAATABlAGEAZABpAG4AZwAgAEUAZABnAGUAIAB0AGEAcABlAA== x-cr-puzzleid: {3BEC7F9F-DE82-4D93-A8FB-DF9CA6DA3B40} This is a multi-part message in MIME format. ------=_NextPart_000_0287_01CB3671.0CC6CA70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Mike: When doing the initial flight testing with my IV-P with the 1" leading edge tape installed, the TAS at FL240 at 75% power ROP was 291kts-just what the factory specs had anticipated without tape based upon testing on the original IV (409L). I could therefore not detect any significant slowing effect of the 1" tape. I never did fly without it on mine, however, so have no direct comparisons. When putting it on initially, I think we had about 40% above the plumb line leading edge, and about 60% below. DL and Brad Simmons made the call on that however, so you might want to ask them directly. I have just kept the same position on it ever since. Good luck. Douglas W. Johnson, MD PA 1150+hrs TT and counting. "I have 950TT on my IV and had to repaint the leading edges twice. In fact I have 2 Vr- one for rotation on takeoff and one for in-flight rain- I slow to 160 KIAS for any significant rain. The purpose of this post is that I am wondering if the tape slows the airplane down and if I wanted to put it on for the first time how do I align the tape" Michael Smith ------=_NextPart_000_0287_01CB3671.0CC6CA70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mike:

 

When doing the = initial flight testing with my IV-P with the 1” leading edge tape = installed, the TAS at FL240 at 75% power ROP was 291kts—just  what the factory specs had = anticipated without tape based upon testing on the original IV (409L). I could = therefore not detect any significant slowing effect of the 1” tape. I never = did fly without it on mine, however, so have no direct = comparisons.

 

When putting it on initially, I think we had about 40% above the plumb line leading edge, = and about 60% below. DL and Brad Simmons made the call on that however, so = you might want to ask them directly. I have just kept the same position on = it ever since.

 

Good = luck.

 

Douglas W. = Johnson, MD PA

1150+hrs TT and = counting…

 

 

“I have 950TT on my IV and had to repaint the leading edges twice.  In fact I have 2 Vr- one for rotation on takeoff and one = for in-flight rain- I slow to 160 KIAS for any significant rain.  The = purpose of this post is that I am wondering if the tape slows the airplane down = and if I wanted to put it on for the first time how do I align the = tape”

 

Michael Smith

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