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 sonic315-13.consmr.mail.bf2.yahoo.com ([74.6.134.123] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 863982 for flyrotary@lancaironline.net; Wed, 21 Oct 2020 13:56:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.6.134.123; envelope-from=lehanover@aol.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1603302946; bh=1UyDwacucurc+85/2yT4g2IuBF0PR2Djano0D9GOxkY=; h=Date:From:Reply-To:To:In-Reply-To:References:Subject:From:Subject; b=q5VlzbWOMsV1MfGx90m5PnZU5NFxvV9zAYeAUsZSxTlY60TaChsIVdbpfBsyRDwhnbHhXZKsh/ytt2y4t9QGnDrsVzNqv97MFWcCrVeoN64L36MwU2a9ZOZpmyN+JWbCZPBEfFKMl7/DKsWMeS9RKI5py4pZZAAdAQUXmxdPR6pBTFg2VpSoJx/JNTHWop+bwhTEfgyEtkZ8P5BMK77g9GjLvOWjEi8a39Gb+lO1YlRYr8p5qsjfxg4bywV447VOQCZFhcu+2axhO5UOG2UoHqdmvLDUXppDlU1Q9szzAdL9scRoSe6G2rAy6uhuHxNNjrQxt2nAnLGkBvxdFB4AnQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1603302946; bh=5yDIvKk7uONeg9E2TK3m7HjLg3r6qA4n6RFPqnlRJWO=; h=Date:From:To:Subject; b=fjq5ebGWA38+PupCf71Xcy/9vfBCEUBROmWw6FZDpcTw8TmVVubQV0l3ywf7o0rQLc5USzluqlETCKI7OfwmF82/ZQvtqTj9aNTAuyCx395lUTjxDtCrE2ZBiq1z05nRCN/lIE0a5lAUauJJFqJCOhUstSpB1IqnFcRcTUUwkNsi8jSblIYPxTarUuh0MBRzFhaROZAux4zJhBvVgEwWBcsbi+ywu4k43kkw8i7I2wGv3miCuzRjMoMY6eWH7wYiAOAfnbKiHbzuwktpUttHl/I+7Bd5/yaynbCTpFa0XogVvMVx0u4G1/1r3+13dbUudjREiM2hBrQXAlAIhHwILQ== X-YMail-OSG: EjEHdjAVM1npoooVlSylbj0ziAg1QSEcnJRGDY1zq3h_sgcOjtUkeGPgb_un5XU 4bh7UIv2q_41P4b_4LsMiOP.trNLhKS4HNrY1gmTg03.CviG2SgrdC_TP5jCtCJZja2D0uoo51B7 SAsyfN96207CuzRtsClL.PZhxrjwPtsVHcOFNzYaXVypE2GQJnF_QISl3TLG48_BdgYkrrXnsVYH HZmS2vAogrl4n8OouSBJtT5f3AgQiu4i4iXqj05majVsOVSSssoDUo3gTcWGtZiyLSNnLCeFoZ1e ni41q99YFy40sd7er5wNdcosOrJudgLf2S2Q63erNSWyAiyt.mH8bjHWs2U.91OkhGq2uBB7xHsG BMzJdYPq0wwdauYaCCu0GPpgof5RevKtVbcPe7zmdhUmxadcfwKTfqxTJSZVraAVNv1vb9pC_4MX lobRkHkg5wJgolg0AVlqCshgKpuVOZjtTUw0e2lgiIJGwjaQFfyUYvofTPz1D.cQ_EvOTtd1oBIJ vM.QVulC2kVItec2GXZRpKMV_KEf5swpwCGe0hSUfLA.zHe9aT5VlujAkfvRrNqIC5tdMXx7z2NC jwNIkc.uEXkqkojdFJdzG_OhfxQ1HoZyPMQIWMe.taW7iFU_0_Eblazsr5mSBFNzLtjfQd.p9x4P LPWxU5n01PTbJMVrS2TljVyhIdpLexnLclQnc658BonGSsZrGRWIxmiYVLWdPHTLjfSLaXqSAsip P.ryaP57rZLhUsTiSmpEh6V7s3ECncq89WPpgwZ3hMg.4hAyPCxC_uTE0uULnnspPO10Uy0ZORUY 24gA2zPY4tJAjt5e6y2R0Sd4GTulu3p8leQA6TWSLWpJCrqvKs2cjwTZoe61ddrpOId9rORO4PFP 3a5DlcV.Gkldrm18p0CuwTLDiir3.xPJFa__XzAAL5xXPq4QTsptAN4XfQBoHcbtWgOR8vofA2UD uzkPxBdNiFrpsEm8DwyVTc5g3Z3pCHEUx7p1Q33DH7aeLaSqhTti8oZ6FTqaK.uOqUdBjz0bxaRI o4nR7_IJvZIwuv70jUW_YbF1diVGbm8_F9ivMIuCFwxZC_uvR23liLvIhfOBlNtp35.Ew4ZHm77d PbmLK354KOIzKryRlafKM01AVxjo_cJMIxjv2EHf82MWJCqXDsErr4zvzm9z9fjImbNR9yEn_SnC 6cOYBW3kec9dgjg3x2djBHb0OTgMC620QszmEyj8BpmYT8lHH8Q8NMKtLf0YcWCqI7dqTYHAO_ji 7PD_F6wb0vErUIvLDYLgCzP4oQqdO7UrHNqWrRdq3DfJ_WmWn6fFhOlD4YA_czgjRU2RDUZnn7GG GhqrHuulWfLAxEJk0NGNpG4qH8Q_tr7YO5.Fwcqx1CTQLxPUe.1a_rIPCxTZ9D0p41E7JQWcI66b THpv4ISLkEthOhcIuvEU94Y0AJFJscTUXz_GDiVe8Tw-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic315.consmr.mail.bf2.yahoo.com with HTTP; Wed, 21 Oct 2020 17:55:46 +0000 Date: Wed, 21 Oct 2020 17:55:42 +0000 (UTC) Reply-To: lehanover To: flyrotary@lancaironline.net Message-ID: <1768054242.1452562.1603302942032@mail.yahoo.com> In-Reply-To: References: Subject: Re: [FlyRotary] Re: Tuning MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1452561_143225437.1603302942029" X-Mailer: WebService/1.1.16868 aolloki unknown Content-Length: 19716 ------=_Part_1452561_143225437.1603302942029 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable At the end of this I say "do mention aircraft". That should read, "Do not m= ention aircraft". Sorry....In a message dated 10/21/2020 12:52:56 PM Atlant= ic Standard Time, flyrotary@lancaironline.net writes:=C2=A0 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 yields= significant improvement, say 10% hp or is there too little material to pla= y with?=C2=A0Cheers=C2=A0Steve Izett=C2=A0=C2=A0=C2=A0> On 21 Oct 2020, at = 9:35 am, lehanover lehanover@aol.com wrote:>>= A Periphery ported side exhaust is better than both intake and exhaust bei= ng periphery ported. Neither the intake or exhaust port ever closes. So, th= ere is exhaust dilution of the intake flow based on the amount of exhaust b= ack 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 power comes on as if b= y 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 tune= like a trombone.> A periphery ported 12-A can do 310 HP at 10,000 RPM. A 1= 3-B can do 330 HP at 10,000 RPM. We have to be under 105Db at 50 feet at fu= ll throttle. The Renesis has zero overlap. But it had a Micky Mouse intake = with 2 different tuned lengths.> There was a builder at Sun&Fun years ago w= ho had a RX-7 transmission for speed reduction. It worked fine. Later he ha= d the idle too slow and it shook the gears of of 2nd gear. I forgot his nam= e but he died of cancer.> LEH> In a message dated 10/20/2020 5:35:49 PM Atl= antic 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 running ch= eapest gas.>> Neil.>>=C2=A0> From: Rotary motors in aircraft > Sent: Wednesday, October 21, 2020 1:38 AM> To: Rotary moto= rs in aircraft > Subject: [FlyRotary] Re: Tuni= ng>>=C2=A0> Steve =3D Using Megasquirt for ECU. How is your flight testing = going?>> Jeff =3D I meant prop rpm. Using Neil's PSRU, which is 3.17. I jus= t 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 that 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 timing at?>> Dave =3D = 35 all time? Doesn't that seem really high for rotary. Pump gas? Lynn was s= aying 24 degrees for 87 octane.>>> - Matt Boiteau>>=C2=A0>=C2=A0> On Mon, O= ct 19, 2020 at 12:11 AM Stephen Izett stephen.izett@gmail.com wrote:>> Hi there Matt and all>> What computer is controll= ing your fuel and spark Matt?>> Ive left the timing of the EC2 on the Renes= is 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 th= e EC2/3 will vary the whole timing curve over the rpm/load envelope.>> Chee= rs>> Steve Izett> Renesis 4 port EC2 EM3 RD1-C>>>>> > On 19 Oct 2020, at 10= :21 am, Matt Boiteau mattboiteau@gmail.com wr= ote:> >> > Split table.> >> > - Matt Boiteau> >> >> > 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, takeo= ff, climb, cruise, descent?> >> > idle =3D 11afr, 20 timing> > I seem to ha= ve to be around 11afr for it to stay alive. Still trying to get it to idle = around 600rpm, maybe bump it up to 700rpm to be smoother without dieing and= shaking apart.> >> > taxi / takeoff / climb =3D 13.2afr, 28 timing> >> > c= ruise - not sure aft, 28 timing> >> > decent - not sure aft, 32 timing> > N= ot sure what the plane likes. I tried 14afr, but the MAP really get's low a= nd engine shakes. Guessing it should be more rich?> >> > I attached the tim= ing table and split rotary table (second email). Not sure how to tune timin= g, I just want safe values for now.> >> >> > - Matt Boiteau> > --> > Homepa= ge:=C2=A0 http://www.flyrotary.com/> > Archive and UnSub:=C2=A0 http://mail= .lancaironline.net:81/lists/flyrotary/List.html> > --> > Homepag= e:=C2=A0 http://www.flyrotary.com/> > Archive and UnSub:=C2=A0 http://mail.= lancaironline.net:81/lists/flyrotary/List.html>>> --> Homepage:=C2=A0 http:= //www.flyrotary.com/> Archive and UnSub:=C2=A0 http://mail.lancaironline.ne= t:81/lists/flyrotary/List.html>=C2=A0=C2=A0--Homepage:=C2=A0 http://www.fly= rotary.com/Archive and UnSub:=C2=A0 http://mail.lancaironline.net:81/lists/= flyrotary/List.html ------=_Part_1452561_143225437.1603302942029 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
At the end of this I say "do mention aircraft". That should read, "Do = not mention aircraft". Sorry....
In a message dated 10/21/2020 12:52:56 PM Atlantic Standard Time, flyrotary= @lancaironline.net writes:
 
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.......... 
 
 
 
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@lancaironline.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 <f= lyrotary@lancaironline.net>
> Sent: Wednesday, October 21, 2020 1:38 AM
> To: Rotary motors in aircraft <fly= rotary@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@lancaironli= ne.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.n= et> wrote:
> >
> > Split table.
> >
> > - Matt Boiteau
> >
> >
> > On Sun, Oct 18, 2020 at 10:17 PM Matt Boiteau mattboiteau@gmail.com <flyrotary@lancaironli= ne.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
> > --
> > <split.JPG>--
>
>
> --
------=_Part_1452561_143225437.1603302942029--