Return-Path: Received: from smtpauth06.mail.atl.earthlink.net ([209.86.89.66] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 723101 for flyrotary@lancaironline.net; Wed, 09 Feb 2005 22:29:51 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.86.89.66; envelope-from=jerryhey@earthlink.net Received: from [65.176.176.45] (helo=earthlink.net) by smtpauth06.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1Cz50m-0002tU-E1 for flyrotary@lancaironline.net; Wed, 09 Feb 2005 22:29:01 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:In-Reply-To:Message-Id:X-Mailer; b=AECLsyD+bV4z00YUM15gdig4Ib1gJImmk/VJgJ5Abo3kMOlZu8JhiRoVae18tSB3; Date: Wed, 9 Feb 2005 22:29:59 -0500 Subject: Re: [FlyRotary] Re: P port intake Content-Type: multipart/alternative; boundary=Apple-Mail-62-849980318 Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" In-Reply-To: Message-Id: <0A970903-7B14-11D9-96EB-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec799a1233dcb3be917a590705f972a6e7ef350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.176.176.45 --Apple-Mail-62-849980318 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed Thanks Ed for making such a clear explanation. On this first engine =20= I want to copy as much as possible what we know works e.g. PowerSport,=20= two runners/two throttle bodies. The only place I have departed from=20 this path is with injector relocation to the cool side and this I will=20= change if it does not perform well. Jerry On Wednesday, February 9, 2005, at 10:02 PM, Ed Anderson wrote: > Tom, > =A0 > One reason that Jerry would not want to do that is that there is=20 > overlap between intake and exhaust.=A0 That means while one rotor is=20= > trying to suck air in its intake port - the intake port of the other=20= > rotor may be expelling some residue exhaust gas out its intake and=20 > opposing any incoming air.=A0 I think the engine would certainly =A0run=20= > but I don't think you would develop best power.=A0 Now it=A0would = probably=20 > =A0be a different story with the Renesis which by moving the exhaust=20= > ports to the side housings has eliminate the exhaust/intake overlap. > =A0 > FWIW > =A0 > Ed A > > ----- Original Message ----- > From: Tom > To: Rotary motors in aircraft > Sent: Wednesday, February 09, 2005 8:58 PM > Subject: [FlyRotary] Re: P port intake > > Jerry, > Since only one rotor chamber is drawing fuel/air at any given time,=20 > why would you not feed them both from a single throttle body? > Tom > > Jerry Hey wrote: > > George, originally I was going to hook up with a piece of hose over = the > butted pieces with a couple of hose clamps. That is how I will attach > the other end at the throttle bodies. But, we have been considering > welding and also building some type of flange. Certainly, for starters > I will use the hose and clamp method. Jerry > > > > > > On Wednesday, February 9, 2005, at 08:43 PM, George Lendich wrote: > > > Jerry, > > Is that a but weld,=A0OR does the tube go into the=A0 bellmouth end = OR a > > flange that they both go into. > > George ( down under)=A0 > > > > ----- Original Message ----- > > From: Jerry Hey > > To: Rotary motors in aircraft > > Sent: Thursday, February 10, 2005 9:35 AM > > Subject: [FlyRotary] Re: P port intake > > > > Yes, it is 1.61 inches. > > > > > > On Wednesday, February 9, 2005, at 05:39 PM, Tom wrote: > > > > Jerry, > > Do you have an i.d. measurement for the narrow end? > > =A0 > > TIA > > Tom > > > > Jerry Hey wrote: > > > > Today UPS brought the bell mouths for the P port intake. They are > > three inches o.d. across and have a smooth gradual taper down to the > > runner size ... > > > > > > > > > > > > > > Do you Yahoo!? > > Yahoo! Search presents - Jib Jab's 'Second Term' > > > > > > > Do you Yahoo!? > Yahoo! Mail - Easier than ever with enhanced search. Learn more. > --Apple-Mail-62-849980318 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 Thanks Ed for making such a clear explanation. On this first engine=20 I want to copy as much as possible what we know works e.g. PowerSport, two runners/two throttle bodies. The only place I have departed from this path is with injector relocation to the cool side and this I will change if it does not perform well. Jerry On Wednesday, February 9, 2005, at 10:02 PM, Ed Anderson wrote: = ArialTom, =A0 ArialOne reason that Jerry would not want to do that is that there is overlap between intake and exhaust.=A0 That means while one rotor is trying to suck air in its intake port - the intake port of the other rotor may be expelling some residue exhaust gas out its intake and opposing any incoming air.=A0 I think the engine would certainly =A0run but I don't think you would develop best power.=A0 Now it=A0would probably =A0be a different story = with the Renesis which by moving the exhaust ports to the side housings has eliminate the exhaust/intake overlap. =A0 ArialFWIW =A0 ArialEd A ----- Original Message ----- From: = 1999,1999,FFFFTom To: 1999,1999,FFFFRotary motors in aircraft Sent: Wednesday, February 09, 2005 8:58 PM Subject: [FlyRotary] Re: P port intake Jerry, Since only one rotor chamber is drawing fuel/air at any given time, why would you not feed them both from a single throttle body? Tom Jerry Hey = <<1999,1999,FFFFjerryhey@earthlink.net> wrote: George, originally I was going to hook up with a piece of hose over the butted pieces with a couple of hose clamps. That is how I will attach the other end at the throttle bodies. But, we have been considering welding and also building some type of flange. Certainly, for starters I will use the hose and clamp method. Jerry On Wednesday, February 9, 2005, at 08:43 PM, George Lendich wrote: > Jerry, > Is that a but weld,=A0OR does the tube go into the=A0 bellmouth end OR = a > flange that they both go into. > George ( down under)=A0 > > ----- Original Message ----- > From: Jerry Hey > To: Rotary motors in aircraft > Sent: Thursday, February 10, 2005 9:35 AM > Subject: [FlyRotary] Re: P port intake > > Yes, it is 1.61 inches. > > > On Wednesday, February 9, 2005, at 05:39 PM, Tom wrote: > > Jerry, > Do you have an i.d. measurement for the narrow end? > =A0 > TIA > Tom > > Jerry Hey wrote: > > Today UPS brought the bell mouths for the P port intake. They are > three inches o.d. across and have a smooth gradual taper down to the > runner size ... > > > >=20 > > > Do you Yahoo!? > Yahoo! Search presents - Jib Jab's 'Second Term' > < Do you Yahoo!? Yahoo! Mail - Easier than ever with enhanced search. 1999,1999,FFFFLearn = more. = --Apple-Mail-62-849980318--