X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-pd0-f177.google.com ([209.85.192.177] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTPS id 6646168 for flyrotary@lancaironline.net; Thu, 19 Dec 2013 18:33:17 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.192.177; envelope-from=steveize@gmail.com Received: by mail-pd0-f177.google.com with SMTP id q10so1745634pdj.36 for ; Thu, 19 Dec 2013 15:32:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:message-id:mime-version:subject:date:references :to:in-reply-to; bh=2F3cJraveuUk+Yj+cZ2EB9dNbWe4IELr7eRqVVy665g=; b=VfVGEkuOb8RRa+ScjPbwR9BfEahm5MsDNXKxzMe3UVwYn5Unz3t2QLmoJ+K/9zL8xG 4edGyymcYJjUfuhFyH39xfHoZxYebxgxGLZ0HUf1DGz4GxZDFybrfWMY2zX9/5rbmJWh cMmDkekDygy3zP7BQI6018ukXIzzcBJPVUKS1U1Ff8M7PPVryVvax2NkDUFntg5d1tDk zoZRxG9ugzt9pS3W6pDqoUOzxVRmfLEHG5HjIkd3AwUoTt6Sx2/pMipdQD0U02RcEN/I MbQvN+PSdNxbZ/+T1Wn18t4k5UbcMzXodLjOByVY2JmuqPVXAqeyx1F654K8qNkRIj1S n5vw== X-Received: by 10.68.217.129 with SMTP id oy1mr4783482pbc.23.1387495963275; Thu, 19 Dec 2013 15:32:43 -0800 (PST) Return-Path: Received: from [10.1.1.11] (106-68-245-232.dyn.iinet.net.au. [106.68.245.232]) by mx.google.com with ESMTPSA id at4sm9851019pbc.30.2013.12.19.15.32.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 19 Dec 2013 15:32:42 -0800 (PST) From: Steve Izett Content-Type: multipart/alternative; boundary="Apple-Mail=_85518EDF-95D3-4D64-A6C9-08516E5D78E0" Message-Id: Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) Subject: Re: [FlyRotary] Renesis with 76 X 88 prop Date: Fri, 20 Dec 2013 07:32:38 +0800 References: To: "Rotary motors in aircraft" In-Reply-To: X-Mailer: Apple Mail (2.1510) --Apple-Mail=_85518EDF-95D3-4D64-A6C9-08516E5D78E0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Thanks for the data Denis Much appreciated. Have a wonderful Christmas. Steve Izett On 20/12/2013, at 6:11 AM, Dennis Havarlah = wrote: > I've been collecting some engine data on my Renesis 4 port powered = RV-7A with a Catto 76X88 2 blade prop. I use Mogas with 0.6 oz = Wal-Mart 2 stroke and Marvel Mystery oil mixed 50% each. Static is 5550 = rpm. In climb at full power I get 5700 rpm at about 85 knots. Level at = 2000 ft msl and 155 mph I turn 5200 rpm on the engine @ 20mpg. At 170 = mph I turn 5800 rpm. At 185 mph I turn 6200 rpm. I have the B gearbox = 2.85:1 engine to prop ratio.=20 > =20 > I now have over 500 flying hours. I use Mobil 1 - 15W 50 synthetic = oil and change it every 50 hours.=20 > =20 > My flying for the last year and a half includes 2 to 3 very short = flights each week to play tennis (7.5 minutes each way). I warm the = engine to at least 110 deg F. before going to 3200 rpm for engine = checks. I takeoff full throttle when the oil and water are over 120 = deg. F. > =20 > I hope this is helpful. > =20 > Dennis Haverlah > =20 > PS: Charlie and Tupper England -Shirley and I are excited you and = Tupper are making plans for another fly-in! The last one was great - = let us know how we can help! > =20 > =20 > =20 > =20 --Apple-Mail=_85518EDF-95D3-4D64-A6C9-08516E5D78E0 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Thanks for the data = Denis

Much appreciated.

Have a wonderful = Christmas.

Steve = Izett

On 20/12/2013, at 6:11 AM, Dennis Havarlah = <clouduster@austin.rr.com> = wrote:

I've been collecting some = engine data on my Renesis 4 port powered RV-7A with a Catto 76X88 2 = blade prop. I use Mogas with 0.6 oz Wal-Mart 2 stroke and = Marvel Mystery oil mixed 50% each. Static is 5550 rpm. In = climb at full power I get 5700 rpm at about 85 knots. Level = at 2000 ft msl and 155 mph I turn 5200 rpm on the engine @ = 20mpg. At 170 mph I turn 5800 rpm. At 185 mph I turn = 6200 rpm. I have the B gearbox 2.85:1 engine to prop = ratio.

I = now have over 500 flying hours. I use Mobil 1 - 15W 50 synthetic = oil and change it every 50 hours.

My = flying for the last year and a half includes 2 to 3 very short flights = each week to play tennis (7.5 minutes each way). I = warm the engine to at least 110 deg F. before going to = 3200 rpm for engine checks. I takeoff full = throttle when the oil and water are over 120 deg. = F.

I = hope this is helpful.

Dennis Haverlah

PS: Charlie and Tupper England -Shirley and I are = excited you and Tupper are making plans for another fly-in! The = last one was great - let us know how we can = help!

= --Apple-Mail=_85518EDF-95D3-4D64-A6C9-08516E5D78E0--