X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=No+TSIVJ c=1 sm=1 tr=0 a=h/2l+vn1J2DkYOOB9BQDdQ==:117 a=x7bEGLp0ZPQA:10 a=ad1WmcueCrwA:10 a=3JhidrIBZZsA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=8pif782wAAAA:8 a=_6GpL_ENAAAA:8 a=hOpmn2quAAAA:8 a=ZEaZD8YCAAAA:8 a=zvdWabDkInVCwrPlOpgA:9 a=QEXdDO2ut3YA:10 a=G_5s8neSAAAA:8 a=9QTbyrnSCiEgPacbfsoA:9 a=o-Um2cDFfyGcaL6X:21 a=Urk15JJjZg1Xo0ryW_k8:22 a=GyA-uvUxXSCciAkwuKQO:22 a=5aLEZlHgtCWrS4oMx5Sh:22 From: "William Jepson wrjjrs@gmail.com" Received: from mail-ed1-f52.google.com ([209.85.208.52] verified) by logan.com (CommuniGate Pro SMTP 6.2.10) with ESMTPS id 12065630 for flyrotary@lancaironline.net; Thu, 03 Jan 2019 14:24:08 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.52; envelope-from=wrjjrs@gmail.com Received: by mail-ed1-f52.google.com with SMTP id a20so23143949edc.8 for ; Thu, 03 Jan 2019 11:24:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=WQxXOpPgu5/U7NY20cqZgoxlYqn4XeATS3QikuYOmhk=; b=mL+uVKhAHg9XGAJO0Ianr28/s+YFkQqOMJYSeOElY6UQWXi6tKwc+0u8bclgcPji4S jZsCd2PYe+bHA04xf1BVNyR1OTVA+vPOnbPs6yXjC024pBAsNyZiEi6yBhDgWCmOxna9 NY81vUSuTT6ipdgwZpFkdJrFtUKiOIKPNk7V433klE+9fNJEOb//x3WxohNAoScPI3yn nclsVeq/TYc+YOlQuPFD+ZysMxKAwt+PSXHu3E3SlHNA5VIiZ1mH7oqL++ygq9GEqjYV wLClizwP3aWdgQ0V0eFiiDyyIQ0bZdrS6wzpAs2WG/ZKeWXHNUReu9KMV+Asup9iBSIB 2WMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=WQxXOpPgu5/U7NY20cqZgoxlYqn4XeATS3QikuYOmhk=; b=PkkyxG4p/Vi/a+E3dVEv6s/Db/u7kRJbtZPd9tGuR4rSlCiPk/l+bIUkwITolDQfec VTBiWbP7/MYmvfXVipEyUUeRTm0lfHHnACwJnDt3orD3mgxqbhualkhKdrv5+q7ZfPZL h0rWlCaM7tRkW41JVj/WiI14W1HwevA7hdU1Vx0qlqekwrxYqF+8R3Z7lD0JiO6cOngo tVHCR2xq3JUxRcJa7GSUfWtlDn6prtUwcvfcCFiXpgMGcgpKZz9Wk4b9q0zrzJvlAaRs OVy+AwsAuTtO+Ccmtm1Z3wucgWLr1UG8AkqiJYkjuo79Kc98FF6rNbJGwTLgORrsJR+F CDxg== X-Gm-Message-State: AA+aEWav/iJM9YrgfbfcjqEH/vD3bzTwVoqWdXVWiedJ9Zq8o+i5ALAj ejSzRurMiWcNBbykuAKY99sR9+omohLw2LzLe2eRtQ== X-Google-Smtp-Source: AFSGD/VjQGK8dk3gbBGh2Rzl0BgJWzsKsb81feJZ780n+J0vBmANkeGuUTLTBm2rdzoe0LQthsuyfH2t5Z7UoJ/e60s= X-Received: by 2002:a50:bae3:: with SMTP id x90mr44587517ede.221.1546543429902; Thu, 03 Jan 2019 11:23:49 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: Date: Thu, 3 Jan 2019 11:23:38 -0800 Message-ID: Subject: Re: [FlyRotary] Re: Remember the Dynacam? To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000c4e544057e92b346" --000000000000c4e544057e92b346 Content-Type: text/plain; charset="UTF-8" Something to note, the "NEW" engine configuration was also used in Fairbanks Morse locomotive engines. It was one of the most economical ice engines. There is some timing differential between the cranks to make the ports work better. They used to call them "blowdown" engines. If you look on line you can find the Gemini aero engine that works the same way. Diesel is the most common with this set-up. Heck the British even build one with 3 crankshafts in a Delta configuration. It didn't improve efficiency enough to justify the complications and didn't remain in production IIRC. Also the automotive trade publications were showing this engine over a year ago. Maybe it is just now ready for production? Bill Jepson On Thu, Jan 3, 2019, 7:04 AM Charlie England ceengland7@gmail.com < flyrotary@lancaironline.net wrote: > You're right; that configuration is pretty old, though the ones I remember > were diesels. The Dynacam is a different engine design. The swash plate > (crank) is in the middle of the engine, with pistons moving parallel to the > crankshaft in both directions off the swash plate. > https://en.wikipedia.org/wiki/Axial_engine > > Charlie > > > Virus-free. > www.avast.com > > <#m_1093738281062384921_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > On Thu, Jan 3, 2019 at 7:19 AM Marc Wiese cardmarc@charter.net < > flyrotary@lancaironline.net> wrote: > >> Not new at all! >> >> >> >> >> Radical new engine makes a run at reality - Video >> >> >> Radical new engine makes a run at reality - Video >> >> Opposed-piston engine will be tested in Ford F-150 >> >> >> >> >> > > Virus-free. > www.avast.com > > <#m_1093738281062384921_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > --000000000000c4e544057e92b346 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Something to note, the "NEW" engine configurati= on was also used in Fairbanks Morse locomotive engines. It was one of the m= ost economical ice engines. There is some timing differential between the c= ranks to make the ports work better. They used to call them "blowdown&= quot; engines. If you look on line you can find the Gemini aero engine that= works the same way. Diesel is the most common with this set-up. Heck the B= ritish even build one with 3 crankshafts in a Delta configuration. It=C2=A0= didn't improve efficiency enough to justify the complications and didn= 't remain in production IIRC. Also the automotive trade publications we= re showing this engine over a year ago. Maybe it is just now ready for prod= uction?

Bill Jepson

On Thu, Jan 3, 2019, 7:0= 4 AM Charlie England ceengland7@gma= il.com <flyrotary@lan= caironline.net wrote:
You're = right; that configuration is pretty old, though the ones I remember were di= esels. The Dynacam is a different engine design. The swash plate (crank) is= in the middle of the engine, with pistons moving parallel to the crankshaf= t in both directions off the swash plate.

Charl= ie

3D"" Virus-free. www.avast.c= om


3D"" Virus-free. www.avast.c= om
--000000000000c4e544057e92b346--