X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from smtp101.sbc.mail.mud.yahoo.com ([68.142.198.200] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with SMTP id 1921499 for flyrotary@lancaironline.net; Wed, 14 Mar 2007 19:34:04 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.200; envelope-from=downing.j@sbcglobal.net Received: (qmail 78031 invoked from network); 14 Mar 2007 23:33:18 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=2KmJUgGosTTUtIfkcC2lWlVcD6AjhO+EDM1WAJTgTso2HuMfm3Pia33wE12ZXjboR9HLJR9nNmg1KaZjjMbKRKsP+8kJl6qCTU4HCm0SAvUImaB88cLJwPtmk0U6iXRCzbIV77av44bIKLsr6DYLCWpPMCRXQ/8VmQSz09G4Z4E= ; Received: from unknown (HELO mom) (downing.j@sbcglobal.net@75.40.224.46 with login) by smtp101.sbc.mail.mud.yahoo.com with SMTP; 14 Mar 2007 23:33:17 -0000 X-YMail-OSG: DG0CgZUVM1m5NOvRo_nC2rxf2Q4Bhm7Apdp8PPepZiYRIUwHckdEcDu.Eqy.msLmdKgAVYaUsz0xxPFeqAzi0dys_kR9m1UOiw5PZx5cU4l.r6sn4_QnWzb.0mN1Di87fJ4LuJqcOS_IpF9h38gAE1_UiQ-- Message-ID: <002101c76691$3ba4dde0$4001a8c0@gateway.2wire.net> From: "John Downing" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: weight in quiet Date: Wed, 14 Mar 2007 18:33:54 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01C76667.522E9E40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01C76667.522E9E40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thomas, it was top speed. He said the prop stipping had a little more = gain than the wing stripping and he felt that the prop could have been = cleaned up some to maybe accomplish the same thing. The Tailwind guys = are starting to go with Craig Cato Props now because they feel he is = closer to the black art of prop carving than others. One of the = Tailwind fellows is an engineer for Whirlwind props and has one on his = Tailwind W-10 , 0320,160, MP 22, rpm 2700, speed 207, so if you fellows = that are still working would like an adjustable pitch prop that weighs = 30 lbs, I believe the price for unit, governor and control is around = $8500.00. You can check this on the internet. JohnD ----- Original Message -----=20 From: Thomas Jakits=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 14, 2007 3:32 PM Subject: [FlyRotary] Re: weight in quiet 7mph more topspeed or less stallspeed? On 3/14/07, John Downing wrote:=20 Thomas, a few years back, dimple tape was promoted to work like the = vortex generators, being added to the main wing and also on props and = canards. There was an article in Sport Aviation on it, but I don't = recall when. One of the fellows here tried 1/8" pinstripping tape, 2 = each placed 1/8" apart on the wings and prop spanwise of a Thorpe T-18 = and he claimed is was good for 7 mph. You need to cover with paint or = polyurethane to keep it in place. JohnD=20 ----- Original Message -----=20 From: Thomas Jakits=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 14, 2007 8:10 AM Subject: [FlyRotary] Re: weight in quiet =20 Where would you use "Dimple Tape"? Thomas =20 On 3/14/07, John Downing wrote:=20 Dave, you can always add dimple tape. One of the Tailwind guys = said his plane was $240.00 lighter, no faster though. JohnD ------=_NextPart_000_001E_01C76667.522E9E40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thomas, it was top speed.  He said = the prop=20 stipping had a little more gain than the wing stripping and he felt that = the=20 prop could have been cleaned up some to maybe accomplish the same = thing. =20 The Tailwind guys are starting to go with Craig Cato Props now because = they feel=20 he is closer to the black art of prop carving than others.  One of = the=20 Tailwind fellows is an engineer for Whirlwind props and has one on his = Tailwind=20 W-10 , 0320,160, MP 22, rpm 2700, speed 207, so if you fellows that are = still=20 working would like an adjustable pitch prop that weighs 30 lbs, I = believe the=20 price for unit, governor and control is around $8500.00.  You can = check=20 this on the internet.  JohnD
----- Original Message -----
From:=20 Thomas Jakits
Sent: Wednesday, March 14, 2007 = 3:32=20 PM
Subject: [FlyRotary] Re: weight = in=20 quiet

7mph more topspeed or less stallspeed?

On 3/14/07, John=20 Downing <downing.j@sbcglobal.net>=20 wrote:=20
Thomas, a few years back, dimple = tape was=20 promoted to work like the vortex generators, being added to the main = wing  and also on props and canards.  There was an article = in=20 Sport Aviation on it, but I don't recall when.  One of the = fellows here=20 tried 1/8" pinstripping tape, 2 each placed 1/8" apart on the wings = and prop=20 spanwise of a Thorpe T-18 and he claimed is was good for 7 = mph.  You=20 need to cover with paint or polyurethane to keep it in place.  = JohnD=20
----- Original Message ----- =
From: = Thomas = Jakits=20
To: Rotary = motors in=20 aircraft
Sent: Wednesday, March 14, = 2007 8:10=20 AM
Subject: [FlyRotary] Re: = weight in=20 quiet

 
Where would you use "Dimple Tape"?
Thomas

 
On 3/14/07, John=20 Downing <downing.j@sbcglobal.net > wrote:=20
Dave, you can always add dimple = tape. =20 One of the Tailwind guys said his plane was $240.00 lighter, no = faster=20 though. =20 = JohnD


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