X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4416230 for flyrotary@lancaironline.net; Mon, 02 Aug 2010 19:05:18 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (mail.aanet.com.au [203.24.100.34]) by poplet2.per.eftel.com (Postfix) with ESMTP id B893617368F for ; Tue, 3 Aug 2010 07:04:40 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 10352BEC05E for ; Tue, 3 Aug 2010 07:04:39 +0800 (WST) Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Bad rotary week Date: Tue, 3 Aug 2010 09:04:51 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01CB32EA.EE5C6600" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 X-Antivirus: avast! (VPS 100802-1, 08/02/2010), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_000D_01CB32EA.EE5C6600 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dwayne, What sort of HP are you looking for at take-off, also have you = considered NOS. George ( down under)=20 Thanks for the quick reply. I'm building a Bearhawk (4 seat, high = wing) on floats so the extra HP is needed especially for take off. I've = looked extensively at using a 13B-REW to try to get the HP I need = without adding the weight and unique parts of a 20B, but turbo = installations seem to get eaten by exhaust heat. I'm unaware of anyone = getting 100 hours out of a turbo. Is there anyone on the list who has = more than 100 hours on their turbo? Thanks for the feedback!!! Dwayne -------------------------------------------------------------------------= ----- From: George Lendich To: Rotary motors in aircraft Sent: Mon, August 2, 2010 5:08:41 PM Subject: [FlyRotary] Re: Bad rotary week Dwayne, I had a feeling things weren't going to plan, however unless you need = the extra power a 16X would deliver because of the larger eccentric and = volume, the 13B is still a good choice IMHO. Give the volume is the same with the RX7 and RX8 the power is the = same. If more power is needed then PP or Turbo is the answer. Personally I believe the best answers are in those driving = enhancements in the 13B development for Aviation. I'm hoping Bill Jepson = will be up and running with his lighter housings and PP design sooner = rather than later. He's not saying much as I believe he wants to leave = the talking to the testing results . George ( down under) 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. ------=_NextPart_000_000D_01CB32EA.EE5C6600 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 Dwayne,
What sort of HP are you looking for at = take-off,=20 also have you considered NOS.
George ( down under) 
Thanks = for the=20 quick reply.  I'm building a Bearhawk (4 seat, high wing) on = floats so=20 the extra HP is needed especially for take off.  I've looked = extensively=20 at using a 13B-REW to try to get the HP I need without adding the = weight and=20 unique parts of a 20B, but turbo installations seem to get eaten by = exhaust=20 heat.  I'm unaware of anyone getting 100 hours out of a turbo. =  Is=20 there anyone on the list who has more than 100 hours on their=20 turbo?

Thanks = for the=20 feedback!!!

Dwayne

From: George Lendich=20 <lendich@aanet.com.au>
To: Rotary motors in aircraft=20 <flyrotary@lancaironline.net>
Sent: Mon, August 2, 2010 = 5:08:41=20 PM
Subject: = [FlyRotary] Re:=20 Bad rotary week

Dwayne,
I had a feeling things weren't going = to plan,=20 however unless you need the extra power a 16X would deliver because of = the  larger eccentric and volume, the 13B is still a good choice=20 IMHO.
Give the volume is the same = with the RX7 and=20 RX8 the power is the same. If more power is needed then PP or Turbo is = the=20 answer.
Personally I believe the best answers = are in=20 those driving enhancements in the 13B development for Aviation. I'm = hoping=20 Bill Jepson will be up and running with his lighter housings and PP = design=20 sooner rather than later. He's not saying much as I believe he wants = to leave=20 the talking to the testing results .
George ( down under)

For = anyone=20 hoping that a 16X would show up any time soon:  not ... gonna = ...=20 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=20 bad enough, when I was at Oshkosh I took in David Atkins rotary = seminar.=20  I came away pretty depressed thinking that I probably won't = put a=20 rotary engine in my airplane.  Is everyone else really using 1 = quart of=20 oil every 5 hours?  He also didn't have much good to say = about the=20 Renesis in an aviation application which leads me to conclude that = the 16X=20 will fare even worse in aviation applications as it is tweaked to = meet=20 higher EPA requirements and produce more low end = torque.

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

Thanks,

Dwayne

P.S. =  I=20 couldn't find any rotary planes on the field at Oshkosh. =  Perhaps they=20 sank into the mud.






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