X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wproxy.gmail.com ([64.233.184.235] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1073544 for flyrotary@lancaironline.net; Wed, 19 Apr 2006 16:31:13 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.233.184.235; envelope-from=russell.duffy@gmail.com Received: by wproxy.gmail.com with SMTP id 37so238473wra for ; Wed, 19 Apr 2006 13:30:28 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:importance:in-reply-to:x-mimeole; b=AC3Ix+XsYy5O+HMO0cUEMZcNRsd9hAfiYOSfesmvDt6jiSa0yfh5bDXsWqtFwwASEc2L97UHoauTMXLoat1evfJ4W1pq6LgVDrE6yzl5kMZKNUwfsWC2B6PWoYjdeB5vFh17uqxEAy3NIy7lBj7IiYONNhbnCpREMycHS+xpo7A= Received: by 10.54.136.4 with SMTP id j4mr23282wrd; Wed, 19 Apr 2006 13:30:28 -0700 (PDT) Return-Path: Received: from rd ( [65.6.194.9]) by mx.gmail.com with ESMTP id 38sm1644846wrl.2006.04.19.13.30.27; Wed, 19 Apr 2006 13:30:28 -0700 (PDT) From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] 1st Flights - Date: Wed, 19 Apr 2006 15:30:27 -0500 Message-ID: <000001c663f0$185b5f20$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C663C6.2F855720" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C663C6.2F855720 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I also ran the engine hard - full throttle - for about 30 minutes in = mostly straight and level flight - but with the gear down still. I was getting 140kts at 5300RPM - but that's all I could get. The oil temps were also hitting 200 degrees - so I backed off and let things cool down to 180. =20 Hi Joe, =20 So far, your testing seems pretty uneventful, which is great! I would advise you to stop worrying about performance at this early stage, and = just concentrate on reliability, and initial airframe testing. Sounds like = you have plenty of power to fly the plane, with good temps, etc, so just use = the first 20 hours or so to get completely familiar with the plane, and put = some time on the engine. Once you're totally comfortable with the airframe, then worry about power and performance. When you start pushing the = engine, is when thing's are more likely to break. Hopefully, nothing will, but = if it does, you'll be glad you have all that quality time under your belt already. Hey, you might even have insurance :-) =20 Most folks go through a number of iterations before getting the = performance they hoped for, so just expect that will be the case, and be pleasantly surprised if it isn't. =20 =20 Keep up the great testing! Rusty (testing my sunburn endurance, which is about 5 minutes)=20 ------=_NextPart_000_0001_01C663C6.2F855720 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

I also ran the engine hard - full throttle - for about = 30=20 minutes in mostly straight and level flight - but with the gear down = still. I=20 was getting 140kts at 5300RPM - but that's all I could get. The oil = temps were=20 also hitting 200 degrees - so I backed off and let things cool down to=20 180.

 
Hi=20 Joe,
 
So far, = your testing=20 seems pretty uneventful, which is great!  I would advise = you to=20 stop worrying about performance at this early stage, and just = concentrate on=20 reliability, and initial airframe testing.  Sounds like you=20 have plenty of power to fly the plane, with good temps, etc, so = just use=20 the first 20 hours or so to get completely familiar with the plane, and = put some=20 time on the engine.   Once you're totally comfortable with the = airframe, then worry about power and performance.   When you = start=20 pushing the engine, is when thing's are more likely to break.  = Hopefully,=20 nothing will, but if it does, you'll be glad you have all that quality = time=20 under your belt already.  Hey, you might even have insurance=20 :-)
 
Most = folks go through a=20 number of iterations before getting the performance they hoped for, = so just=20 expect that will be the case, and be pleasantly surprised if it=20 isn't.  
 
Keep up = the great=20 testing!
Rusty = (testing my=20 sunburn endurance, which is about 5 minutes) 



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