X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 921066 for flyrotary@lancaironline.net; Sun, 01 May 2005 00:05:18 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050501040433.RXKT1994.imf16aec.mail.bellsouth.net@rd> for ; Sun, 1 May 2005 00:04:33 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: best climb, was: warp drive 3-blade prop Date: Sat, 30 Apr 2005 23:04:34 -0500 Message-ID: <00c801c54e02$e29cdfc0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C9_01C54DD8.F9C6D7C0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_00C9_01C54DD8.F9C6D7C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Do you have the 'warts' over the static holes in the fuselage? ~10 kts low is a typical error for RV's without the warts. =20 I assume you mean the typical Van's pop rivet static ports? I used that = on the -8, and it wasn't right either. On the -3, there are real static = ports on both sides, hold the warts. They were already installed when I got = the project. =20 =20 A quick check to see if it's the static error problem is to set your altimeter to your field elevation & then take off & fly a full bore high speed pass at low level (near 20' agl) down the runway. I'll give that a try when I get serious about finding the problem, = however, the TAS reading on the EM-2 seems correct, and it uses the same pitot = static system as the ASI. I probably just need to buy better instruments. My = VSI has become sticky, and I almost can't pay attention to it anymore. =20 =20 Thanks, Rusty =20 ------=_NextPart_000_00C9_01C54DD8.F9C6D7C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Do you have the 'warts' over the static holes in the = fuselage?=20 ~10 kts
low is a typical error for RV's without the warts.

 
I assume = you mean the=20 typical Van's pop rivet static ports?  I used that on the -8, and = it wasn't=20 right either.  On the -3, there are real static ports on both = sides, hold=20 the warts.  They were already installed when I got the = project. =20
 
A quick check to see if it's the static
error = problem is to=20 set your altimeter to your field elevation & then
take off & = fly a=20 full bore high speed pass at low level (near 20' agl)
down the=20 runway.
I'll = give that a try=20 when I get serious about finding the problem, however, the TAS = reading on=20 the EM-2 seems correct, and it uses the same pitot static system as the=20 ASI.  I probably just need to buy better instruments.  My VSI = has=20 become sticky, and I almost can't pay attention to it anymore. =20
 
Thanks,
Rusty
 
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