X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop: No license found, only first 5 messages were scanned Return-Path: Received: from zproxy.gmail.com ([64.233.162.206] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 993614 for flyrotary@lancaironline.net; Mon, 13 Jun 2005 01:40:35 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.233.162.206; envelope-from=wdleonard@gmail.com Received: by zproxy.gmail.com with SMTP id 34so880319nzf for ; Sun, 12 Jun 2005 22:39:50 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:references; b=LqVhIKAj4Yr1ovZqYBxjM9Uw1t01TzXKDCqHOMWOfsjxgVEBYNTc6tTENo/+Sd8sB+vaFSrRA3eLoY8uxlAVer4RFOAp3Km0d+wGMaF88KtI1kjKzY1byGhjAWlb4QFeFALYHl1VxnDKBgTcdCiR3ZmZ+dRHTGdS2hzUclPgIrA= Received: by 10.36.74.17 with SMTP id w17mr2646896nza; Sun, 12 Jun 2005 22:39:50 -0700 (PDT) Received: by 10.36.9.4 with HTTP; Sun, 12 Jun 2005 22:39:50 -0700 (PDT) Message-ID: <1c23473f050612223920e4e242@mail.gmail.com> Date: Sun, 12 Jun 2005 22:39:50 -0700 From: David Leonard Reply-To: David Leonard To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Failure to compute In-Reply-To: Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_10998_19570061.1118641190182" References: ------=_Part_10998_19570061.1118641190182 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On 6/12/05, Tracy Crook wrote:=20 >=20 > I like the open wastegate idea but the intake leak is probably a dead en= d=20 > (although it may give some good clues as to what is happening, maybe that= 's=20 > all you meant).=20 > I don't remember how long your intake is but why do you think VE will go= =20 > up by making it shorter? If the length is good on NA it will be good for= =20 > turbo too. > Tracy >=20 Yea, eh, well, I was only getting about 140h.p. flying around n.a. My=20 intake is way too long, small, and rough cornered. I figure it has an nice= =20 negative dynamic tuning where I'm getting a negative pressure wave just as= =20 the port is opening.=20 See pictures if you dare. My intake is to intakes, as Rusty's BUC was to= =20 cowlings. :-) I think the length is about 27" from port to bell-mouth in th= e=20 plenum. A big part of the problem is that my engine mount won't allow anything on= =20 the port side of the engine. (excuses) I was thinking I would make up for it all with a turbo... see where that= =20 got me? --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/vp4skydoc/index.html ------=_Part_10998_19570061.1118641190182 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline

On 6/12/05, = Tracy Crook <lors01@msn.com>= ; wrote:
I like the open wastegate idea but the intake leak is probably a dead = end (although it may give some good clues as to what is happening, maybe th= at's all you meant). 
 
I don't remember how long your intake is but why do you think VE will = go up by making it shorter?  If the length is good on NA it will be go= od for turbo too.
 
Tracy
 
Yea, eh, well, I was only getting about 140h.p. flying around n.a.&nbs= p; My intake is way too long, small, and rough cornered.  I figur= e it has an nice negative dynamic tuning where I'm getting a negative = pressure wave just as the port is opening. =20
 
See pictures if you dare.  My intake is to intakes, as Rusty's BU= C was to cowlings. :-)  I think the length is about 27"= from port to bell-mouth in the plenum.
 
A big part of the problem is that my engine mount won't allow anything= on the port side of the engine. (excuses)
 
I was thinking I would make up for it all with a turbo...  see wh= ere that got me?
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