X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [107.14.166.226] (HELO cdptpa-oedge-vip.email.rr.com) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6646095 for flyrotary@lancaironline.net; Thu, 19 Dec 2013 17:12:06 -0500 Received-SPF: pass receiver=logan.com; client-ip=107.14.166.226; envelope-from=clouduster@austin.rr.com Return-Path: Received: from [70.114.234.171] ([70.114.234.171:58109] helo=DWHPC) by cdptpa-oedge03 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id 59/40-17005-21F63B25; Thu, 19 Dec 2013 22:11:30 +0000 Message-ID: <0806B2C78416481A97AE4D941179FB0E@DWHPC> From: "Dennis Havarlah" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Renesis with 76 X 88 prop Date: Thu, 19 Dec 2013 16:11:29 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_08E7_01CEFCD4.F99C27F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 This is a multi-part message in MIME format. ------=_NextPart_000_08E7_01CEFCD4.F99C27F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 I now have over 500 flying hours. I use Mobil 1 - 15W 50 synthetic oil = and change it every 50 hours. =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. 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! ------=_NextPart_000_08E7_01CEFCD4.F99C27F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

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

I now have over 500 flying hours. = I use Mobil=20 1 - 15W 50 synthetic oil and change it every 50 hours. =

My flying for the last year and a half = includes 2=20 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=20 to 3200 rpm for engine checks. I takeoff full=20 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=20 and Tupper are making plans for another fly-in! The last one was = great -=20 let us know how we can help!

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