X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm9-vm0.access.bullet.mail.sp2.yahoo.com ([98.139.44.120] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with SMTP id 5042049 for flyrotary@lancaironline.net; Mon, 04 Jul 2011 14:40:20 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.44.120; envelope-from=keltro@att.net Received: from [98.139.44.103] by nm9.access.bullet.mail.sp2.yahoo.com with NNFMP; 04 Jul 2011 18:39:44 -0000 Received: from [98.139.44.77] by tm8.access.bullet.mail.sp2.yahoo.com with NNFMP; 04 Jul 2011 18:39:44 -0000 Received: from [127.0.0.1] by omp1014.access.mail.sp2.yahoo.com with NNFMP; 04 Jul 2011 18:39:44 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 342311.1086.bm@omp1014.access.mail.sp2.yahoo.com Received: (qmail 77374 invoked by uid 60001); 4 Jul 2011 18:39:30 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1309804770; bh=QP4vPXR3KxrUegA+k8ZcDZ5wa6nAXbjzcH6L3Z8uyPs=; 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Mon, 04 Jul 2011 11:39:30 PDT X-Mailer: YahooMailWebService/0.8.112.307740 References: Message-ID: <1309804770.65667.YahooMailNeo@web83914.mail.sp1.yahoo.com> Date: Mon, 4 Jul 2011 11:39:30 -0700 (PDT) From: Kelly Troyer Reply-To: Kelly Troyer Subject: Re: Crossover idea To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1396569236-1309804770=:65667" --0-1396569236-1309804770=:65667 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Mark,=0A=A0=A0 That is what I get For "Assuming"................The best I = could recall (from a photo you posted) it looked=0Alike your=A0 bypass "T" = was under the cowl close to the engine...........0.020 sounds about right a= s that=0Ais what I used on my RX7................=0A=0AKelly Troyer=0A"DYKE= DELTA JD2" (Eventually)=0A"13B ROTARY"_ Engine=0A"RWS"_RD1C/EC2/EM2=0A"MIS= TRAL"_Backplate/Oil Manifold=0A"TURBONETICS"_TO4E50 Turbo=0A=0AFrom: Mark S= teitle =0ATo: Rotary motors in aircraft =0ASent: Monday, July 4, 2011 1:28 PM=0ASubject: [FlyRotary] = Re: Crossover idea=0A=0A=0AKelly,=A0 =0A=0AI don't think it really matters = as long as it is on the high pressure side of the pumps. =A0Assuming you ha= ve a return system, any air in the system will quickly be purged. =A0I have= dual pumps and dual filters, all connected in parallel. =A0I put my "T" at= the point where the two lines go back to one line. =A0The other end is tie= d back into the return line. =A0=0A=0ABest I recall, the orifice is about .= 020". =A0I used a motorcycle carb jet. =A0It was just the right size for me= to tap threads into the "T" fitting and then screw the jet directly into t= he fitting. =A0=0A=0AMark=0A=0A=0AOn Mon, Jul 4, 2011 at 10:00 AM, Kelly Tr= oyer wrote:=0A=0ADoug,=0A>=A0=0A>=A0=A0 Bypass can be inst= alled anywhere between the pressure and return lines but I (and I believe= =0A>Mark did) would place the bypass close to the fuel rails and injectors= =A0in order to purge air from =0A>as much of the pressure line as possible = in the event of a tank run dry and a air lock preventing=0A>the pump (s) fr= om priming...........IMHO=0A>=0A>Kelly Troyer=0A>"DYKE DELTA JD2" (Eventual= ly)=0A>"13B ROTARY"_ Engine=0A>"RWS"_RD1C/EC2/EM2=0A>"MISTRAL"_Backplate/Oi= l Manifold=0A>"TURBONETICS"_TO4E50 Turbo=0A>=0A>=0A>From: "dlomheim@aol.com= " =0A>To: keltro@att.net=0A>Sent: Monday, July 4, 2011 9:= 32 AM=0A>Subject: Crossover idea=0A>=0A>Kelly; I remember reading about thi= s before a few yrs ago but haven't considered=A0 it since.=A0 Practicly spe= aking how are the fellas laying this out and what size fuel line and fittin= gs are they using?=A0 -4 if I remember right from a few yrs ago...but here = do they TEE it?=A0 Right after the pumps to ensure fuel fills the pumps aga= in if run dry I'd suppose.=A0 We just got a new roof on our house and I've = about finished a bathroom remodel so now will begin backyard landscaping an= d pool replastering...still hope to work on a/c again in Sept - Dec when ha= nger cools off!=0A>Sent on the Sprint=AE Now Network from my BlackBerry=AE= =0A>=0A> --0-1396569236-1309804770=:65667 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Mark,
   That is= what I get For "Assuming"................The= best I could recall (from a photo you posted) it looked
like your  bypa= ss "T" was under the cowl close to the engine...........0.020 sounds about = right as that
is what I used on my= RX7................
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil = Manifold
"TURBONETICS"_TO4E50 Turbo

From:= Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lan= caironline.net>
Sent:= Monday, July 4, 2011 1:28 PM
Subje= ct: [FlyRotary] Re: Crossover idea

Kelly, 

I don't think it really matters as long as it is on the high pressure = side of the pumps.  Assuming you have a return system, any air in the = system will quickly be purged.  I have dual pumps and dual filters, al= l connected in parallel.  I put my "T" at the point where the two line= s go back to one line.  The other end is tied back into the return lin= e.  

Best I recall, the orifice is about .020".  I used a motorcycle c= arb jet.  It was just the right size for me to tap threads into the "T= " fitting and then screw the jet directly into the fitting.  

Mark

On Mon, Jul 4, 2011 at 10:00 AM, Kell= y Troyer <keltro@att.net>= wrote:
Doug,
 
   Bypass can be installed anywhere between the pressu= re and return lines but I (and I believe
Mark did) would place the bypass close to the fuel rails and inj= ectors in order to purge air from
as much of the pressure line as possible in the eve= nt of a tank run dry and a air lock preventing
the pump (s) from priming...........IMHO
 
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil = Manifold
"TURBONETICS"_TO4E50 Turbo

From: "dlomheim@a= ol.com" <dlomheim@aol.com>
<= B>To: = keltro@att.net
Sent:= Monday, July 4, 2011 9:32 AM
Subje= ct: Crossover idea

Kelly; I remember reading about= this before a few yrs ago but haven't considered  it since.  Practicly speaking how are th= e fellas laying this out and what size fuel line and fittings are they usin= g?  -4 if I remember right from a few yrs ago...but here do they TEE i= t?  Right after the pumps to ensure fuel fills the pumps again if run = dry I'd suppose.  We just got a new roof on our house and I've about f= inished a bathroom remodel so now will begin backyard landscaping and pool = replastering...still hope to work on a/c again in Sept - Dec when hanger co= ols off!
Sent on the Sprint=AE Now Network from my BlackBerry=AE

=



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