X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-pz0-f52.google.com ([209.85.210.52] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4416350 for flyrotary@lancaironline.net; Mon, 02 Aug 2010 21:30:08 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.210.52; envelope-from=rwstracy@gmail.com Received: by pzk27 with SMTP id 27so1825135pzk.25 for ; Mon, 02 Aug 2010 18:29:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=t3JUdXlPaQT2OwhtImztERuM9CANBX3LaT5Nz5yRqfE=; b=ex7HBCT5333AZvlS0Tlg+jACpaVVLRSaCqhRGMElDTVUxsWf+4HpY1/I+yodqqRTli /dbEYWI5Gx0zzY+IqHhk47zmTd8dh63WF7QnawCcKE5mUkQ9ErhNZm12tcdfsGVL1exu pUERfkdC2btsd3cwgbApRyXPSZxMPGeuOz5dc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=wXtzCrIVc1j71vL3aVkXQCtkpyaf1qe6ylmGj/c0/mBIwW5qGGxyJd4mQdSzpEewvL pj5A1hehF9lMW3D4ft4tCPkl+1sZDCdErXXZNEpfBEhPYnbWd5C0cHL5R8ej1isYpRjo DGw/C+GSXtLKnZOwobrPspmmQIVkg+wX5frwo= MIME-Version: 1.0 Received: by 10.142.242.18 with SMTP id p18mr2289436wfh.58.1280798971509; Mon, 02 Aug 2010 18:29:31 -0700 (PDT) Sender: rwstracy@gmail.com Received: by 10.142.48.11 with HTTP; Mon, 2 Aug 2010 18:29:31 -0700 (PDT) In-Reply-To: References: Date: Mon, 2 Aug 2010 21:29:31 -0400 X-Google-Sender-Auth: WT8oXzVuzM7joA10iA5iSpFOda0 Message-ID: Subject: Re: [FlyRotary] Re: Bad rotary week From: Tracy Crook To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=000e0cd14f88b9c46b048ce13feb --000e0cd14f88b9c46b048ce13feb Content-Type: text/plain; charset=ISO-8859-1 Hi Dwayne, I estimate I'm getting about 200 HP at 7200 rpm on the Renesis. 230 is probably the best you are likely to get when normally aspirated and then you will need to turn it a bit faster. I went all out for weight reduction on my RV-4 so the engine & systems came out around 260 lbs. OTOH, I'm getting about 270 effortless HP from the 20B at 6250 rpm. Should get 300 if turned to 7000. This install weighs about 90 pounds more than the Renesis though. Tracy On Mon, Aug 2, 2010 at 7:32 PM, Dwayne Parkinson wrote: > Bobby / Tracy - Do either of you know what HP your Renesis is generating? > I'm very curious about the supercharged Renesis. If you know the installed > weight that would be great info too? > > George - I'm building a Bearhawk on floats and would like 250+ HP. > > Anyone who cares - I currently fly a Stinson 108-1 behind a Franklin 150 so > I'm painfully aware of how hard it is to come by parts for unique engines. > That makes the 20B much less appealing as an option for me. That being > said, I watched from the Sea Plane Base at Oshkosh as an Aeronca Sedan with > 145 HP lumbered across Lake Winnebago trying to get off the water. People > actually cheered when he finally broke a float free. I think he was in > Appleton's airspace by the time he got into air (no, I'm not kidding > either). That type of performance just won't cut it so anything less than > 230 HP is not an option for me either. > > Thanks very much. > > Dwayne > > > > ------------------------------ > *From:* Bobby J. Hughes > > *To:* Rotary motors in aircraft > *Sent:* Mon, August 2, 2010 6:33:36 PM > > *Subject:* [FlyRotary] Re: Bad rotary week > > Dwayne, > > My super charged renesis uses 1 oz per gallon of 2 stroke oil. So it's very > likely David is using 1 quart every 5 hours. Question is 2-stroke or sump? > No indication I am using any sump oil. But I only have about 35 flight > hours. I do have a small internal coolant leak and need to replace an o-ring > when my fiberglass work is finished. I would choose the renesis side port > exhaust over a peripheral port exhaust any day for our application. > > Bobby Hughes > > ------------------------------ > *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] *On > Behalf Of *Dwayne Parkinson > *Sent:* Monday, August 02, 2010 4:43 PM > > *To:* Rotary motors in aircraft > *Subject:* [FlyRotary] Bad rotary week > > For anyone hoping that a 16X would show up any time soon: not ... gonna > ... happen. No RX7 and the RX8 is still powered by the Renesis for 2011. > > http://www.mazdausamedia.com/content/2011-mazda-vehicles-glance > > As if that's not bad enough, when I was at Oshkosh I took in David Atkins > rotary seminar. I came away pretty depressed thinking that I probably won't > put a rotary engine in my airplane. Is everyone else really using 1 quart > of oil every 5 hours? He also didn't have much good to say about the > Renesis in an aviation application which leads me to conclude that the 16X > will fare even worse in aviation applications as it is tweaked to meet > higher EPA requirements and produce more low end torque. > > Is anyone but Tracy using a Renesis? I'd really like to know what HP > you're getting, what the fuel burn is and how it's holding up. > > Thanks, > > Dwayne > > P.S. I couldn't find any rotary planes on the field at Oshkosh. Perhaps > they sank into the mud. > > > > > > > --000e0cd14f88b9c46b048ce13feb Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Dwayne,
=A0=A0 I estimate I'm getting about 200 HP at 7200 rpm on= the Renesis.=A0 230 is probably the best you are likely to get when normal= ly aspirated and then you will need to turn it a bit faster.=A0 I went all = out for weight reduction on my RV-4 so the engine & systems came out ar= ound 260 lbs.

OTOH, I'm getting about 270 effortless HP from the 20B at 6250 rpm.= =A0 Should get 300 if turned to 7000. =A0 This install weighs about 90 poun= ds more than the Renesis though.

Tracy

On Mon, Aug 2, 2010 at 7:32 PM, Dwayne Parkinson <dwayneparkinson@yahoo.com><= /span> wrote:
Bobby / Tracy - =A0Do either of you know what HP your Renesis is = generating? =A0I'm very curious about the supercharged Renesis. =A0If y= ou know the installed weight that would be great info too? =A0

George - I'm building a Bearhawk on floats and = would like 250+ HP. =A0

Anyone who cares - I currently fly = a Stinson 108-1 behind a Franklin 150 so I'm painfully aware of how hard it is to come by parts for unique engines. =A0That makes= the 20B much less appealing as an option for me. =A0That being said, I wat= ched from the Sea Plane Base at Oshkosh as an Aeronca Sedan with 145 HP lum= bered across Lake Winnebago trying to get off the water. =A0People actually= cheered when he finally broke a float free. =A0I think he was in Appleton&= #39;s airspace by the time he got into air (no, I'm not kidding either)= . =A0That type of performance just won't cut it so anything less than 2= 30 HP is not an option for me either.

Thanks very much.

Dwayne



From: Bobby J. Hughes <bhughes@qnsi.net>

To: Rotary motors in aircraf= t <flyr= otary@lancaironline.net>
Sent: Mon, August 2,= 2010 6:33:36 PM

Subject: [FlyRotary] Re: Bad rotary week

=20 =20
Dwayne,
=A0
My super charged renesis uses 1 oz per gallon of=A02 stroke=20 oil. So it's very likely David is using 1 quart every 5 hours. Question= is=20 2-stroke or sump? No indication I am using any sump oil. But I only have ab= out=20 35 flight hours. I do have a small internal coolant leak and=A0need to=20 replace an o-ring when my fiberglass work is finished. I would choose the= =20 renesis side port exhaust over a peripheral port exhaust any day for our=20 application.
=A0
Bobby Hughes

From: Rotary motors in aircraft=20 [mailto:fl= yrotary@lancaironline.net] On Behalf Of Dwayne=20 Parkinson
Sent: Monday, August 02, 2010 4:43 PM
=
To: Rotary=20 motors in aircraft
Subject: [FlyRotary] Bad rotary=20 week

For anyone hoping=20 that a 16X would show up any time soon: =A0not ... gonna ... happen. =A0No= =20 RX7 and the RX8 is still powered by the Renesis for 2011.


As if that's not bad=20 enough, when I was at Oshkosh I took in David Atkins rotary seminar. =A0I= =20 came away pretty depressed thinking that I probably won't put a rotary = engine in=20 my airplane. =A0Is everyone else really using 1 quart of oil every 5 hours?= =20 =A0He also=20 didn't have much good to say about the Renesis in an aviation applicati= on which=20 leads me to conclude that the 16X will fare even worse in aviation applicat= ions=20 as it is tweaked to meet higher EPA requirements and produce more low end= =20 torque.

Is anyone but Tracy=20 using a Renesis? =A0I'd really like to know what HP you're getting,= what the=20 fuel burn is and how it's holding up.

Thanks,

Dwayne

P.S. =A0I=20 couldn't find any rotary planes on the field at Oshkosh. =A0Perhaps the= y sank=20 into the mud.







--000e0cd14f88b9c46b048ce13feb--