X-Virus-Scanned: clean according to Sophos on Logan.com From: "Ernest Christley" Received: from nm23-vm2.access.bullet.mail.bf1.yahoo.com ([216.109.115.161] verified) by logan.com (CommuniGate Pro SMTP 6.0.10) with ESMTPS id 7246009 for flyrotary@lancaironline.net; Thu, 30 Oct 2014 16:52:14 -0400 Received-SPF: none receiver=logan.com; client-ip=216.109.115.161; envelope-from=echristley@att.net Received: from [66.196.81.163] by nm23.access.bullet.mail.bf1.yahoo.com with NNFMP; 30 Oct 2014 20:51:38 -0000 Received: from [66.196.81.131] by tm9.access.bullet.mail.bf1.yahoo.com with NNFMP; 30 Oct 2014 20:51:38 -0000 Received: from [127.0.0.1] by omp1007.access.mail.bf1.yahoo.com with NNFMP; 30 Oct 2014 20:51:38 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 603025.78454.bm@omp1007.access.mail.bf1.yahoo.com Received: (qmail 43609 invoked by uid 60001); 30 Oct 2014 20:51:38 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1414702298; bh=jPRcBN6cbYyU/whhoMh6lmZ1zGcSi1FiLCBRVKYYXb8=; h=References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=eP3UtLjcCtjjhZegJxIteBhGn872ktR3OVR3l7K4aVT7R5qAZ04oPucDXvJdIlayc1vGqjtsamGVTscEYW+NxLnjqedm+MJIKRP4xTdtHfkRGqBvHj9f0AHJcOdJDxY++IwZdUXb5yAejxv/YXr/qTLcpdTCvBSFNtq3KIRl/ME= X-YMail-OSG: zTZKf.oVM1nHa7idm9U2tw3k_aRPxmZFP6vsPdB9.iyxMfq WpJTMbj5E4FVr0.lvf6gB6UtIbJatavKix2MDyu1GNO4krKQ0aQZi.enytot sJDLUwv2XeOhorJJmQui_X79TUJem6bgFiNTF9sc.SjGgNErZeQ9OAjNt0qG i0Qn54ADchFAOO.X4y8YaIN012XSTOlp0eRjcJOhVLXUGfcZz07FKscSYXEw 8WsxSkUBZ_pkgC6LucFzEeEAziXyeDllnJIlhv3n2htDHuCRwGEF6FuxErjI ErD09i2tQOr5SjUIrGDiGEyN8qE4BftB7cEG0mIngv5xaUV5JMyYOSr._2py su5KtMqafkIVOorVIKHseUe6HWL2VFefXnoHklhK8c5Nof4PwlPCIUets2Uo kSUBxjaTUYA2bGzZHHocg1PQQWrHZboTeHXLystDLVFa7QQa3JEic_VZBRpB t2dLUr1pWeYU86DuKhtWPtcJuh21yhwlMYKqeeFuMibTMFkn0si0xf4kthQU s6sZOPFNR7HWD2St6n1SzGotPFWJGXQ-- Received: from [67.202.75.55] by web181605.mail.ne1.yahoo.com via HTTP; Thu, 30 Oct 2014 13:51:37 PDT X-Rocket-MIMEInfo: 002.001,SSdtIGZvcndhcmRpbmcgdGhpcyB0byB0aGUgbGlzdCwgc2luY2Ugc29tZSBtaWdodCBmaW5kIGl0IGludGVyZXN0aW5nLgoKCgpPbiBXZWRuZXNkYXksIE9jdG9iZXIgMjksIDIwMTQgMTA6MDIgQU0sIEpvaG4gUGFwc29uIDxqcGFwc29uQGRpZ2l0YWxncmlkaW5jLmNvbT4gd3JvdGU6CiAKCgpFcm5lc3Q6CiAKSSBzZW5kaW5nIHRoaXMgZGlyZWN0IHRvIHlvdSBiZWNhdXNlIHdoaWxlIEkgZW5qb3kgcmVhZGluZyB0aGUgRkxZUk9UQVJZIG1haWwgbGlzdCAsIEnigJltIG5vdCByZWdpc3RlcmVkLgogCldoeSABMAEBAQE- X-Mailer: YahooMailWebService/0.8.203.733 References: <000901cff381$01815e60$04841b20$@digitalgridinc.com> Message-ID: <1414702297.42758.YahooMailNeo@web181605.mail.ne1.yahoo.com> Date: Thu, 30 Oct 2014 13:51:37 -0700 Reply-To: Ernest Christley Subject: Fw: Rotary Engine & Fuel Valves To: "flyrotary@lancaironline.net" In-Reply-To: <000901cff381$01815e60$04841b20$@digitalgridinc.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="1885600119-1308955837-1414702297=:42758" --1885600119-1308955837-1414702297=:42758 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable I'm forwarding this to the list, since some might find it interesting.=0A= =0A=0A=0AOn Wednesday, October 29, 2014 10:02 AM, John Papson wrote:=0A =0A=0A=0AErnest:=0A =0AI sending this direct to y= ou because while I enjoy reading the FLYROTARY mail list , I=E2=80=99m not = registered.=0A =0AWhy not completely eliminate the dual (supply and return)= fuel valve ?=0A =0AAssuming fuel injection:=0A =0ARun one rotor off of one= tank, with its own pump and return line, and the other rotor off the secon= d tank with its own pump and return.=0AOr in the case of a 4 cylinder engin= e, one pair opposed cylinders from one tank and the other pair from the oth= er.=0A =0AIf you lose one half, the engine would have to run wide open thro= ttle (WOT), and make a little less than half power.=0AWith WOT, the pumping= losses from the dead half of the engine will be minimal, like the braking = of a diesel or 2-stroke engine.=0A =0AEnough power to at least =E2=80=9Cext= end your glide=E2=80=9D, and maybe enough to maintain altitude in some case= s.=0A =0Aregards=0A =0AJohn C Papson=0ADirector of Product Development=0ADi= gitalGrid Inc=0A201 Moreland Rd=0AHauppauge NY=0A11788=0APhone: (631) 271-7= 092 ex 127=0AFAX: (631) 271-7097=0AEmail: jpapson@digitalgridinc.com=0A =0A= P.S OK to copy to the FLYROTARY list if you deem this worthwhile. --1885600119-1308955837-1414702297=:42758 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
I'm forwarding this to the list, since some might = find it interesting.


<= /div>
On Wednesday, Octo= ber 29, 2014 10:02 AM, John Papson <jpapson@digitalgridinc.com> wrote= :


Ernest:
 
I sen= ding this direct to you because while I enjoy reading the FLYROTARY mail li= st , I=E2=80=99m not registered.
 
Why n= ot completely eliminate the dual (supply and return) fuel valve ?
&n= bsp;
Assuming fuel inje= ction:
 
Run one rotor off of one tank, = with its own pump and return line, and the other rotor off the second tank = with its own pump and return.
Or in the case of a 4 cylinder engine, one pair opposed cylinders fr= om one tank and the other pair from the other.
 
I= f you lose one half, the engine would have to run wide open throttle (WOT),= and make a little less than half power.
With WOT, the pumping losses from the dead half of the en= gine will be minimal, like the braking of a diesel or 2-stroke engine.
 
Enough power to at least =E2=80=9Cextend y= our glide=E2=80=9D, and maybe enough to maintain altitude in some cases.
&n= bsp;
regards
 
Jo= hn C Papson
Director of Product Development
DigitalGrid Inc<= /span>
201 Moreland Rd
Hauppauge NY
11788
Phone: (63= 1) 271-7092 ex 127
= FAX: (631) 271-7097
Email: jpapson@digitalgridinc.com
 =
P.S    OK to c= opy to the FLYROTARY list if you deem this worthwhile.


=20
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