X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 02 May 2010 18:59:58 -0400 Message-ID: X-Original-Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.124] verified) by logan.com (CommuniGate Pro SMTP 5.3.6) with ESMTP id 4244958 for lml@lancaironline.net; Sun, 02 May 2010 16:09:55 -0400 Received-SPF: none receiver=logan.com; client-ip=71.74.56.124; envelope-from=Wolfgang@MiCom.net X-Original-Return-Path: X-Authority-Analysis: v=1.1 cv=m27xf9DC4olkrNDaWzGlhfWN1WyLlD0+t5Z5YaFh7bA= c=1 sm=0 a=MHZY6FYWMEQOp7S43i2QIw==:17 a=-QidQ3XyAAAA:8 a=Ia-xEzejAAAA:8 a=TD6P6l-g5fwPwEMURkUA:9 a=SQHjFPucWY4ONLGP86Jy7ZzWJH8A:4 a=wPNLvfGTeEIA:10 a=A0LnVcZjDxIA:10 a=EzXvWhQp4_cA:10 a=CSL5FcgHx3LeMOfxhy4A:9 a=waCdmql6sXT54h8aTg8A:7 a=KvIRGr_ctjm5u16Ke---DD3osh8A:4 a=MHZY6FYWMEQOp7S43i2QIw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.218.201.50 Received: from [74.218.201.50] ([74.218.201.50:2539] helo=Lobo) by hrndva-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 3C/40-11380-0FBDDDB4; Sun, 02 May 2010 20:09:21 +0000 X-Original-Message-ID: <000901caea33$55d16b60$6401a8c0@Lobo> From: "Wolfgang" X-Original-To: Subject: TSIO 550E IV-P vibration X-Original-Date: Sun, 2 May 2010 16:09:13 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01CAEA11.CE8B4DE0" 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_0006_01CAEA11.CE8B4DE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Was that 4.5 hour flight in dry conditions and back into humid = conditions when you were 3.5 hours into the flight ? . . . hi humidity along with low air density will help let the spark out = of your old ingition wires. Wolfgang -------------------------------------------------------------------------= ------- From: "Bob Rickard" =20 Sender: =20 Subject: TSIO 550E IV-P vibration=20 Date: Sun, 02 May 2010 00:43:33 -0400=20 To: lml@lancaironline.net=20 =20 TSIO 550 guys and or smart engine guys: I am having a vibration issue and want to see if anyone has = ideas on what to look for. Basically, at takeoff and climbout to around = 10,000', the motor and prop are very smooth and strong. There is no = vibration (prop very recently balanced) and all numbers are normal. As = I pass above 10k to the low flight levels, a vibration in the motor = starts to develop, and when I level off and set the engine for cruise = (LOP, 18gph, 34 MAP, 2500 RPM) the vibration is at its worst. It's = almost like the prop is out of balance, which is why I had the prop = balanced at 2500 rpm. Speeds are good and all engine numbers are = normal, no changes. This will remain for an hour or 2, then the motor = seems to magically smooth itself out. On descent and landing, motor = seems smooth and all numbers are normal. Very recently, on a 4.5 hour = flight, about 3.5 to 4 hours in the vibration slowly came back. I don't = know what to blame, and my motor mechanic is looking at me funny. I = should note that at no time do I think the vibration is horrible or = unsafe, just annoying. I can feel it in the stick and see it in the = panel when its happening. =20 =20 ------=_NextPart_000_0006_01CAEA11.CE8B4DE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Was that 4.5 hour flight in dry = conditions and back=20 into humid conditions when you were 3.5 hours into the flight = ?

. . . hi humidity along with low air = density will=20 help let the spark out of your old ingition wires.

Wolfgang

------=_NextPart_000_0006_01CAEA11.CE8B4DE0--

lml@lancaironline.net

From:	"Bob Rickard"=20 <r.rickard@rcginc-us.com>
Sender:	<marv@lancaironline.net>
Subject:	TSIO 550E IV-P = vibration
Date:	Sun, 02 May 2010 00:43:33 = -0400
To:

=0A= =0A=

TSIO 550 guys and or smart engine = guys:

I am having a vibration issue and want = to see if=20 anyone has ideas on what to look for. Basically, at = takeoff=20 and climbout to around 10,000=92, the motor and prop are = very smooth=20 and strong. There is no vibration (prop very recently=20 balanced) and all numbers are normal. As I pass above = 10k to=20 the low flight levels, a vibration in the motor starts to = develop,=20 and when I level off and set the engine for cruise (LOP, = 18gph, 34=20 MAP, 2500 RPM) the vibration is at its worst. It=92s = almost like=20 the prop is out of balance, which is why I had the prop = balanced at=20 2500 rpm. Speeds are good and all engine numbers are = normal,=20 no changes. This will remain for an hour or 2, then = the motor=20 seems to magically smooth itself out. On descent and = landing, motor=20 seems smooth and all numbers are normal. Very recently, on a = 4.5=20 hour flight, about 3.5 to 4 hours in the vibration slowly = came=20 back. I don=92t know what to blame, and my motor = mechanic is=20 looking at me funny. I should note that at no time do = I think=20 the vibration is horrible or unsafe, just annoying. I = can feel=20 it in the stick and see it in the panel when its = happening.