X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) From: "lehanover lehanover@aol.com" Received: from sonic310-14.consmr.mail.bf2.yahoo.com ([74.6.135.124] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 863525 for flyrotary@lancaironline.net; Wed, 21 Oct 2020 11:52:54 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.6.135.124; envelope-from=lehanover@aol.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1603295557; bh=KWgV2EpaeiV9ZxeyTsPU5U7mNzHTjF4v/H2rRza/SuM=; h=Date:From:Reply-To:To:In-Reply-To:References:Subject:From:Subject; b=KiXpGzqao1d5/UY190H9SRuPShPu2NIQMhliBso8udGLmqohNN3xwQRVqkD1cyilCxWPFMNYcNFeYIu2Ft16qm5Xk2JZzK/X3Ef5Fv+/ZY8xDL92gQ1NJnkZPowvC3RF2bMqfiVY6oxBkIjsiS4tVIwM6Ga5h6jsfjArvNpg10ccY5UttfVnyGN0wb0/w6m0Dxo6K84IXDkSfYshwk0fMACFtqItplocwu9U+BR8CRMc9/ms7yWjkfkgbtuWr/Nb6Tfn0NWOLiHP1fRIs/Kx/kfBUjI+jUrLHj5+d/MIhyxMZr8GclYoUz6/TQ1+RkjvXKCPrErd7GEBm7ZEzCM8MQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1603295557; bh=vK4LMAcFrFK11whJRrie5nls78NT1hNjKk4R7g+cWTg=; h=Date:From:To:Subject; b=FckJGmDkP5aooJe35jVA04z3Ng3B65axig856XYGK4c0xrdwTnTUbJEu/QbvJgSgqE4mN/mxXShIJRdCyeIgpIkqPUKIGf7v8Q0+92zPJQ6exDY/sQljYm8qovMh4XLQjIGaHJhh99IWhRMvth1pdRVC2YMYaHL9HiIjumyiUj1UTA9HV3Te4t3ERuDdoBH+AO7KD2X1lPl3oXNxQmE2VoyCVhriFahB7fplGINitR5TrOsy1EKp1OXuB16Z1eQvJlF2HeTw8KGz5LGdTkBiZCFJLNrryt5kuaNUOVAEzuty6G0ShQW5tM0QHWWViP3Ix5wFRexRMRfKCH1pf0+NDA== X-YMail-OSG: NheS2KgVM1ka.r.ev6OQT8cfKcNjOeAlxJciA2n88q5EU1raKvZDiGqjd0zVTIm J._YzQ6ycr4M9XHjLTV36Oz8Q6lJehKdc9d6T_R_kv4HuV9dbTMMOiVYSrHC_nUZOPUt0YKfTF9g 8EO7iAYWFBvNClA1XE30s6N5Pxlklzgy3g9vpgvsiy94z7VitbJUQJfgCsHUL0r.z66fRkrGSaAj QLRX6Hw6rduLQq77pBlAcppvcCPghCcWfkofEpGb1cxPhvMumsh21JgEGElCt4E4j1r_5KjK1dy7 W5BC2_cDYm6PJZ1gezf6bB_KeNvZptTXRGD85wRfsfArOOwmesL84PpGZZc6QQzthPNNHT_Xa4op 2erIqD3rWc74nqZdSkbIpciE3DCIOras1j_rqhJxLyR7GPP02N88lg8UI.tse..o0JMmmkQPpKAU 6wN0ZmxonGCThxvkx_kKpB3_Q3XLeTknlvT8YF752xrT3vsRIUEhlypRAgLzLLfX3uCLaPo0jEud uw_yKwDlqHCJBQsZmYLPdr7LmcDASBkC8PMTVqlyn1_Zyy0axRHf6GxbZfYY4snUJrSKE5q6SfP1 Jf7RJtTC8h_xJ1bsFcDsMgBdYovG6Z0zSyzW0LO0qamYRdTANlZMt0f9VJbGga9PdRjpuRvfbaT9 oJf9n1o_J0pCxPaimPd7gjyNWquTPVneFTk_EmQ_u_kktCkExsinKep4ns8U8rooTidJ2RSWeqfH tDBKg6Zhitl2SDHfU9qa5v0QPCs5WyOXnGb7Gb.d5gVv7B2y7OxCGRvyyCaDLPPYeFeeD56mQmND 8z.ghs7_R_ZiVmRdeQLNGHMz3ZeelKWh1sdzPoNxdZCE4x_GbIizwIh1mf0SrRr2mYy1T8WgJyfU IoiDn30oIhBYH.neD5TZvt_gSsdn6xNMX.WDwXanY1zyLlY8y1fmOZQ0DinBh4F5mnouTzbXouCZ SAX3Js0qeSs7RHH5nghphuKm7cy8V9yxZvmm5Glz0ArV4MLcjatGjG3YO_MZAYsP6bN9hlRxSkQC NqdTUh2BphR9bcc81y1F6cs82c6lejChC6.tdA8tSwz40OtWiwMTC5zjhxlYLQEdT6w61mZ08FOp 8ROV2e5GTQoFschcKrBMH5yufIPbbUXNiEu4MRhRsrXv.NDY3P6_eMMYUvrHi1BfLKNRZfadMhb3 94xY3alE8XoKk7Uz4qM26clQEuNVtgt1D_S5pKNTGN3CmpIXzrApfHbgIXFdkStXBYa5icZ6b74B 03icVcnVepu23afNw8MOdW1fCl6CmDMXbX6yAYn6XTuroUiebUK.kz3grJL4_RbzjTODku5GfSF7 7wCjXbMRrvmguw4Jh4x4QcG8crIKuput6tDsPbSi.3qmijHeDXkVVzbNZlotiJYKnt7Z_E12ZMaB 06BA6QTnkF1.lp1yruOUY1bZbnEob770hoXBPbtc18WA7ylDtgW0MOrlkBkNWUD4RJbYdmG93GZQ PrNRcx5_R0AwtQhHjpijS73RemJaqlK7O54QFj0UqC3vDe_1.e0NXXOBvX3Hl8z3BIvwf3T22rjZ Lz15FQ9tRIisILIP2vBWee3KGapl1B_4enVpg.BsMJ4gpevDYFNg9CknxpHOFVE91IjyTTZMnk5W Qj8DCd8YwcocrVTmFPOFJi29ybg.yH2EqKgfqan6dz0GbEHmpYmhbF4fMMGmotHo8Y6sPGnDfmOj u5E4jfQ-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic310.consmr.mail.bf2.yahoo.com with HTTP; Wed, 21 Oct 2020 15:52:37 +0000 Date: Wed, 21 Oct 2020 15:52:35 +0000 (UTC) Reply-To: lehanover To: flyrotary@lancaironline.net Message-ID: <54709362.1417705.1603295555085@mail.yahoo.com> In-Reply-To: References: Subject: Re: [FlyRotary] Re: Tuning MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1417704_1446360678.1603295555081" X-Mailer: WebService/1.1.16868 aolloki unknown Content-Length: 17928 ------=_Part_1417704_1446360678.1603295555081 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable There are a number of answers for that.....In these pictures see the "Stree= t Port"=C2=A0 Just enlarging the stock intake port so as to increase the po= rt timing (Later closing) a bit and to smooth the edges of the port where i= t enters the chamber.=C2=A0 The area where the corner seal and tips of the = side seals travel is not changed so no problems there. A radius along the c= losing line, actually improves longevity of the side seals. A small bridge = port would add more but is difficult to do unless well versed and experienc= ed.=C2=A0 Also the bridge port would reduce mileage and require higher idle= RPM. I would not change the exhaust ports at all unless on a test where th= e aircraft is not flying. The racer idle of 2,200 RPM was because it had th= e biggest bridge ports I could install.=C2=A0=C2=A0Racing Beat sells portin= g masks for such things. Do mention aircraft..........=C2=A0=C2=A0=C2=A0htt= ps://search.aol.com/aol/image?p=3DBridge+porting+the+Renesis+4+port+irons&s= _it=3Dimg-ans&v_t=3Dloki-inbox&fr=3Dloki-inbox&imgurl=3Dhttp%3A%2F%2Fspeed.= academy%2Fwp-content%2Fuploads%2F2015%2F02%2FRotary-Porting-02.jpg#id=3D141= &iurl=3Dhttp%3A%2F%2Fwww.banzai-racing.com%2Fzavara%2Frebuild%2Faz_ported%2= 6painted_front.jpg&action=3Dclick.=C2=A0In a message dated 10/21/2020 3:37:= 56 AM Atlantic Standard Time, flyrotary@lancaironline.net writes:=C2=A0 Thanks Lyn=C2=A0So PP=E2=80=99ing a Renesis 4 port provide significantly be= tter breathing. Is there a porting option for the Renesis 4 port that yield= s significant improvement, say 10% hp or is there too little material to pl= ay with?=C2=A0Cheers=C2=A0Steve Izett =C2=A0=C2=A0=C2=A0> On 21 Oct 2020, a= t 9:35 am, lehanover lehanover@aol.com wrote:= > > A Periphery ported side exhaust is better than both intake and exhaust = being periphery ported. Neither the intake or exhaust port ever closes. So,= there is exhaust dilution of the intake flow based on the amount of exhaus= t back pressure. Up to the point where RPMs do not allow enough time for th= is to occur.Then it sort of steps up on the cam and the power comes on as i= f by an electric switch. The full periphery engine tunes like a dirt bike.= =C2=A0 The intake length and diameter and the exhaust length and diameter t= une like a trombone. > A periphery ported 12-A can do 310 HP at 10,000 RPM.= A 13-B can do 330 HP at 10,000 RPM. We have to be under 105Db at 50 feet a= t full throttle. The Renesis has zero overlap. But it had a Micky Mouse int= ake with 2 different tuned lengths. > There was a builder at Sun&Fun years = ago who had a RX-7 transmission for speed reduction. It worked fine. Later = he had the idle too slow and it shook the gears of of 2nd gear. I forgot hi= s name but he died of cancer.> LEH> In a message dated 10/20/2020 5:35:49 P= M Atlantic Standard Time, flyrotary@lancaironline.net writes:>=C2=A0 > Mat,= > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 It will only idle hot at that = rpm. (1800).=C2=A0 Cold it is 2000 plus.=C2=A0 Yes P ported and the advance= seems to vary little from 20 degrees.=C2=A0 Running Fueltech ECU. And runn= ing cheapest gas. > > Neil.> >=C2=A0 > From: Rotary motors in aircraft > Sent: Wednesday, October 21, 2020 1:38 AM> To: = Rotary motors in aircraft > Subject: [FlyRotar= y] Re: Tuning> >=C2=A0 > Steve =3D Using Megasquirt for ECU. How is your fl= ight testing going?> > Jeff =3D I meant prop rpm. Using Neil's PSRU, which = is 3.17. I just bumped up my idle to around 800prop (2500engine). I forgot = to add, I am P-Port which causes a need for higher idle. > > Lynn =3D Idle = can be that high? Usually I see rotary idle around the 10-18 range, but tha= t is for a car. Little different with a prop on 100% of the time.> >=C2=A0 = > Neil =3D That is a nice idle. I forget, are you P-Port? What is your timi= ng at?> > Dave =3D 35 all time? Doesn't that seem really high for rotary. P= ump gas? Lynn was saying 24 degrees for 87 octane.> > > - Matt Boiteau> >= =C2=A0 >=C2=A0 > On Mon, Oct 19, 2020 at 12:11 AM Stephen Izett stephen.ize= tt@gmail.com wrote:> > Hi there Matt and all>= > What computer is controlling your fuel and spark Matt?> > Ive left the t= iming of the EC2 on the Renesis 4 port at Tracy=E2=80=99s default and haven= =E2=80=99t changed it but was wanting to do some experimenting.> I take it = that the timing setting in the EC2/3 will vary the whole timing curve over = the rpm/load envelope.> > Cheers> > Steve Izett> Renesis 4 port EC2 EM3 RD1= -C> > > > > > On 19 Oct 2020, at 10:21 am, Matt Boiteau mattboiteau@gmail.c= om wrote:> > > > Split table.> > > > - Matt B= oiteau> > > > > > On Sun, Oct 18, 2020 at 10:17 PM Matt Boiteau mattboiteau= @gmail.com wrote:> > > > What AFR and timing = are people running for idle, taxi, takeoff, climb, cruise, descent? > > > >= idle =3D 11afr, 20 timing> > I seem to have to be around 11afr for it to s= tay alive. Still trying to get it to idle around 600rpm, maybe bump it up t= o 700rpm to be smoother without dieing and shaking apart. > > > > taxi / ta= keoff / climb =3D 13.2afr, 28 timing> > > > cruise - not sure aft, 28 timin= g> > > > decent - not sure aft, 32 timing> > Not sure what the plane likes.= I tried 14afr, but the MAP really get's low and engine shakes. Guessing it= should be more rich?> > > > I attached the timing table and split rotary t= able (second email). Not sure how to tune timing, I just want safe values f= or now.> > > > > > - Matt Boiteau> > --> > Homepage:=C2=A0 http://www.flyro= tary.com/> > Archive and UnSub:=C2=A0 http://mail.lancaironline.net:81/list= s/flyrotary/List.html> > --> > Homepage:=C2=A0 http://www.flyrot= ary.com/> > Archive and UnSub:=C2=A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html> > > --> Homepage:=C2=A0 http://www.flyrotary.com/> Ar= chive and UnSub:=C2=A0 http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html> =C2=A0=C2=A0--Homepage:=C2=A0 http://www.flyrotary.com/Archive and = UnSub:=C2=A0 http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_Part_1417704_1446360678.1603295555081 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
There are a number of answers for that.....In these p= ictures see the "Street Port"  Just enlarging the stock intake port so= as to increase the port timing (Later closing) a bit and to smooth the edg= es of the port where it enters the chamber.  The area where the corner= seal and tips of the side seals travel is not changed so no problems there= . A radius along the closing line, actually improves longevity of the side = seals. A small bridge port would add more but is difficult to do unless well versed and experienced.  Also the bridge por= t would reduce mileage and require higher idle RPM. I would not change the = exhaust ports at all unless on a test where the aircraft is not flying. The= racer idle of 2,200 RPM was because it had the biggest bridge ports I coul= d install. 
 
Racing Beat sells porting masks for such things. Do m= ention aircraft.......... 
 
 
https://search.aol.com/aol/image?p=3DBridge+porting+t= he+Renesis+4+port+irons&s_it=3Dimg-ans&v_t=3Dloki-inbox&fr=3Dlo= ki-inbox&imgurl=3Dhttp%3A%2F%2Fspeed.academy%2Fwp-content%2Fuploads%2F2= 015%2F02%2FRotary-Porting-02.jpg#id=3D141&iurl=3Dhttp%3A%2F%2Fwww.banza= i-racing.com%2Fzavara%2Frebuild%2Faz_ported%26painted_front.jpg&action= =3Dclick.
 
In a message dated 10/21/2020 3:37:56 AM Atlantic Standard Time, flyrotary@= lancaironline.net writes:
 
Thanks Lyn
 
So PP’ing a Renesis 4 port provide significantly bet= ter breathing.
Is there a porting option for the Renesis 4 port that yiel= ds significant improvement, say 10% hp or is there too little material to p= lay with?
 
Cheers
 
Steve Izett
 
 
 
> On 21 Oct 2020, at 9:35 am, lehanover lehanover@aol.com <flyrotary@lancaironline.net> wrote:
>
> A Periphery ported side exhaust is better than both i= ntake and exhaust being periphery ported. Neither the intake or exhaust por= t ever closes. So, there is exhaust dilution of the intake flow based on th= e amount of exhaust back pressure. Up to the point where RPMs do not allow = enough time for this to occur.Then it sort of steps up on the cam and the p= ower comes on as if by an electric switch. The full periphery engine tunes = like a dirt bike.  The intake length and diameter and the exhaust leng= th and diameter tune like a trombone.
> A periphery ported 12-A can do 310 HP at 10,000 RPM. = A 13-B can do 330 HP at 10,000 RPM. We have to be under 105Db at 50 feet at= full throttle. The Renesis has zero overlap. But it had a Micky Mouse inta= ke with 2 different tuned lengths.
> There was a builder at Sun&Fun years ago who had = a RX-7 transmission for speed reduction. It worked fine. Later he had the i= dle too slow and it shook the gears of of 2nd gear. I forgot his name but h= e died of cancer.
> LEH
> In a message dated 10/20/2020 5:35:49 PM Atlantic Sta= ndard Time, flyrotary@lancai= ronline.net writes:
> 
> Mat,
>
>            It will only= idle hot at that rpm. (1800).  Cold it is 2000 plus.  Yes P port= ed and the advance seems to vary little from 20 degrees.  Running Fuel= tech ECU. And running cheapest gas.
>
> Neil.
>
> 
> From: Rotary motors in aircraft <flyrotary@lancaironline.net>
> Sent: Wednesday, October 21, 2020 1:38 AM
> To: Rotary motors in aircraft <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Tuning
>
> 
> Steve =3D Using Megasquirt for ECU. How is your fligh= t testing going?
>
> Jeff =3D I meant prop rpm. Using Neil's PSRU, which i= s 3.17. I just bumped up my idle to around 800prop (2500engine). I forgot t= o add, I am P-Port which causes a need for higher idle.
>
> Lynn =3D Idle can be that high? Usually I see rotary = idle around the 10-18 range, but that is for a car. Little different with a= prop on 100% of the time.
>
> 
> Neil =3D That is a nice idle. I forget, are you P-Por= t? What is your timing at?
>
> Dave =3D 35 all time? Doesn't that seem really high f= or rotary. Pump gas? Lynn was saying 24 degrees for 87 octane.
>
>
> - Matt Boiteau
>
> 
> 
> On Mon, Oct 19, 2020 at 12:11 AM Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net>= ; wrote:
>
> Hi there Matt and all
>
> What computer is controlling your fuel and spark Matt= ?
>
> Ive left the timing of the EC2 on the Renesis 4 port = at Tracy’s default and haven’t changed it but was wanting to do= some experimenting.
> I take it that the timing setting in the EC2/3 will v= ary the whole timing curve over the rpm/load envelope.
>
> Cheers
>
> Steve Izett
> Renesis 4 port EC2 EM3 RD1-C
>
>
>
>
> > On 19 Oct 2020, at 10:21 am, Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net> wr= ote:
> >
> > Split table.
> >
> > - Matt Boiteau
> >
> >
> > On Sun, Oct 18, 2020 at 10:17 PM Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironline.net>= ; wrote:
> >
> > What AFR and timing are people running for idle,= taxi, takeoff, climb, cruise, descent?
> >
> > idle =3D 11afr, 20 timing
> > I seem to have to be around 11afr for it to stay= alive. Still trying to get it to idle around 600rpm, maybe bump it up to 7= 00rpm to be smoother without dieing and shaking apart.
> >
> > taxi / takeoff / climb =3D 13.2afr, 28 timing
> >
> > cruise - not sure aft, 28 timing
> >
> > decent - not sure aft, 32 timing
> > Not sure what the plane likes. I tried 14afr, bu= t the MAP really get's low and engine shakes. Guessing it should be more ri= ch?
> >
> > I attached the timing table and split rotary tab= le (second email). Not sure how to tune timing, I just want safe values for= now.
> >
> >
> > - Matt Boiteau
> > --
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