Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 854819 for flyrotary@lancaironline.net; Mon, 04 Apr 2005 17:59:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.res.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j34LwOY5013290 for ; Mon, 4 Apr 2005 17:58:25 -0400 (EDT) Message-ID: <002401c53961$6dcb0600$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Break In Period? Date: Mon, 4 Apr 2005 17:58:26 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01C5393F.E6827780" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C5393F.E6827780 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Joe, I seriously doubt it. I broken my in about three hours of ground = running and I am not even certain that was required. The important = thing is to break it in using mineral based oil rather than a synthetic = then changing the filter. I Started out at 1000 rpm and working up in = 200 rpm increments letting it run at that rpm for 2 -3 minutes until = eventually getting to 2000 rpm then let it back down 1500 rpm. Worked = from 1500 up to 2500 rpm in 200 rpm increments, then back down to 2000 = rpm. From 2000 rpm to 3000, 2500 to 3500, etc. At 3500, I returned to = 1000 rpm and worked it up in 1000 rpm increments to 4000 again staying = at each on a couple of minutes. Engine is strong and has run well for = over 150 hours, so must have not hurt it too much. Needless to say I = had a prop on it and had to constantly watch the coolant/oil temps = particularly toward the higher power portions of the run. =20 Lynn would have the definitive answer on that. Ed A ----- Original Message -----=20 From: joeh@pilgrimtech.com=20 To: Rotary motors in aircraft=20 Sent: Monday, April 04, 2005 3:32 PM Subject: [FlyRotary] Break In Period? I have a friend who bought a new engine form "Hayes Rotary" up here in = Redmond, WA. These guys are very knowledgeable guys. They told him to = keep the RPM's under 4000 for the first 1,000 - 1,500 miles to allow the = engine to "break in". =20 I've never heard of this for rotaries. That represents about 20 hrs of = running before first take-off in an airplane (assuming more than idle = RPM). =20 Is this needed? Joe Hull Bellevue, WA Cozy MK IV ------=_NextPart_000_0021_01C5393F.E6827780 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Joe, I seriously doubt it.  I = broken my in=20 about three hours of ground running and I am not even certain that was=20 required.  The important thing is to break it in using mineral = based oil=20 rather than a synthetic then changing the filter. I Started out at = 1000 rpm=20 and working up in 200 rpm increments letting it run at that rpm for = 2 -3=20 minutes until eventually getting to 2000 rpm then let it back down 1500=20 rpm.  Worked from 1500 up to 2500 rpm in 200 rpm increments, then = back down=20 to 2000 rpm.  From 2000 rpm to 3000, 2500 to 3500, etc.  At = 3500, I=20 returned to 1000 rpm and worked it up in 1000 rpm increments to 4000 = again=20 staying at each on a couple of minutes.   Engine is strong and = has run=20 well for over 150 hours, so must have not hurt it too much.  = Needless to=20 say I had a prop on it and had to constantly watch the coolant/oil temps = particularly toward the higher power portions of the run.  =
 
Lynn would have the definitive answer = on=20 that.
 
Ed A
----- Original Message -----
From:=20 joeh@pilgrimtech.com
Sent: Monday, April 04, 2005 = 3:32=20 PM
Subject: [FlyRotary] Break In=20 Period?

I have a friend who = bought a new=20 engine form =93Hayes Rotary=94 up here in Redmond, WA.  These = guys are very=20 knowledgeable guys.  They told him to keep the RPM=92s under 4000 = for the=20 first 1,000 =96 1,500 miles to allow the engine to =93break = in=94. =20

 

I=92ve never heard of = this for=20 rotaries. That represents about 20 hrs of running before first = take-off in an=20 airplane (assuming more than idle RPM). 

 

Is this = needed?

 

Joe = Hull

Bellevue, = WA

Cozy MK=20 IV

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