X-Virus-Scanned: clean according to Sophos on Logan.com From: "Charlie England" Received: from mail-pg0-f42.google.com ([74.125.83.42] verified) by logan.com (CommuniGate Pro SMTP 6.2c1) with ESMTPS id 9635544 for flyrotary@lancaironline.net; Mon, 03 Apr 2017 09:10:45 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.125.83.42; envelope-from=ceengland7@gmail.com Received: by mail-pg0-f42.google.com with SMTP id 21so120214603pgg.1 for ; Mon, 03 Apr 2017 06:10:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=rnk+puovD29qrKbGBM10G18GaHErLUzVXJFYqbGV+Hs=; b=GFdNppeC8FLewKEHoAK4biS/IIC2doO0m2GwGLeC1Uhf9vPieqmVvZvf++V9J8WrKx LOh9XgJDwNA3Gu8dQkZ721r/uNZfZxQDsURwzNtqO9Uu4V38jx8GYM5O+WXgsyWXZ4mu IPZhOd90xyuK/sPCIH9G5s4iJJKTJePcTawrY7yOs3fLwCkgST4gPsM/C0Yl/CWflYEh 7Gxhi2KOUt+Q+Xu4wNLAKZPLo81ELsqTmDpU1e+3+FDIQEuwgBVbeI9CxePdDP3XMGj0 kVszui1sNTkTbkvaZcbP227Ld62IGKc7cPKwUFW+lHjFFIeMJ/sr8UT5NIYIRHrDRLG4 ym3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=rnk+puovD29qrKbGBM10G18GaHErLUzVXJFYqbGV+Hs=; b=llRl4q4hX/4NTg6tkQiZUgG9aVod1zNNiuDi3MUNG+Rdt/T1uWBrElBCaWnE0J+BcO TAyv6wJWlveiyIkOIQW98w3dPc8ma6M5FVF5dyXVrUjZTp/yAKOmQwiVwpaycuLbtdzm atd/hcp3rcSC1OsN6BsBr6ahSfnSxt/q8PzuE7Dr17vz8M8dl7WJG7pCaM0DWtqWOwvh Jfws867gVc1zpg/1QACwItiCmhRIMBh1gxYKAAsN553iy1/scjxcfXy0tXw//C5xtz9u PGRvGMGmfBQiLTHGZDi41RQyozC+7NOqcKLb5ND3EB3+maMnVflazoITVhaIGRtaqyeq El/Q== X-Gm-Message-State: AFeK/H37+0p8QNtguLOlvVROtMxTfcBWhzlutBXsg/HcYi8WAMMqlh83z6M5yqRghjGaMI95f+oagqRihMjh5A== X-Received: by 10.84.193.1 with SMTP id e1mr21727754pld.147.1491225026426; Mon, 03 Apr 2017 06:10:26 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.128.83 with HTTP; Mon, 3 Apr 2017 06:10:26 -0700 (PDT) Date: Mon, 3 Apr 2017 08:10:26 -0500 Message-ID: Subject: Batteryless fuel injection?? To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=94eb2c1896bafafd0b054c42e138 --94eb2c1896bafafd0b054c42e138 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Just saw this on a 'small 4stroke engine' (aviation) group: quote: Hi, the info from B&S for the EFI system is a bit sketchy at the moment. It is an open-loop system from Kokusan and completely different to the Delphi EFI on the 810 and the big block engines: Vanguard has also developed a horizontal shaft small-block (627 cc) engine, with an initial application in fire and rescue equipment. Offered in a 23 gross hp rating, the engine incorporates an open-loop EFI system developed by Japan=E2=80=99s Kokusan Denki Co. Ltd. and has the ability to be operate= d with either an electric starting system using a battery or a recoil starting system. =E2=80=9CThis one is a bit unique,=E2=80=9D Leech said. =E2=80=9CIt= =E2=80=99s completely different than the Delphi system we use on the other engines in that it can work with a battery or without. Kokusan developed a technology that Delphi did not have.=E2=80=9D Batteryless EFI itself is not new, as it has been a staple o= n small two- and four-stroke engines used on such things as off-road motorcycles and snowmobiles. The Kokusan system uses energy generated by the pull of the recoil starter to power the engine control unit (ECU), fuel pump and injectors =E2=80=94 in that order =E2=80=94 to start the engine. The Vangua= rd small-block engine with recoil start has been specified by a global manufacturer of fire equipment for a portable generator set used in fire and rescue applications I bet that will create quite some interest in the flying apparatus circles. If the EFI is using a MAP sensor or mass flow meter, the EFI would be fully altitude-compensating to 3,000+ meters (10,000'). Unfortunately, I haven't been able to source a parts manual yet to check what components are used in the EFI system. :unquote These are V-twins. Might be interesting to see if there's a way to alter the 90* timing to the rotary's 180 & deliver enough fuel for a rotary using this system & larger injectors... Google search for the FI mfgr: https://www.google.com/search?q=3DKokusan&oq=3DKokusan&aqs=3Dchrome..69i57&= sourceid=3Dchrome&ie=3DUTF-8#q=3DKokusan+fuel+injection&* Charlie --94eb2c1896bafafd0b054c42e138 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Just saw this on a 'small 4stroke engine' (aviatio= n) group:

quote:

Hi, the info from = B&S for the EFI system is a bit sketchy at the moment. It is an open-lo= op system from Kokusan and completely different to the Delphi EFI on the 81= 0 and the big block engines:


Vanguard has also developed a horizontal shaft small-= block (627 cc) engine, with an initial application in fire and rescue equip= ment. Offered in a 23 gross hp rating, the engine incorporates an open-loop= EFI system developed by Japan=E2=80=99s Kokusan Denki Co. Ltd. and has the= ability to be operated with either an electric starting system using a bat= tery or a recoil starting system. =E2=80=9CThis one is a bit unique,=E2=80= =9D Leech said. =E2=80=9CIt=E2=80=99s completely different than the Delphi = system we use on the other engines in that it can work with a battery or wi= thout. Kokusan developed a technology that Delphi did not have.=E2=80=9D Ba= tteryless EFI itself is not new, as it has been a staple on small two- and = four-stroke engines used on such things as off-road motorcycles and snowmob= iles. The Kokusan system uses energy generated by the pull of the recoil st= arter to power the engine control unit (ECU), fuel pump and injectors =E2= =80=94 in that order =E2=80=94 to start the engine. The Vanguard small-bloc= k engine with recoil start has been specified by a global manufacturer of f= ire equipment for a portable generator set used in fire and rescue applicat= ions

I bet that will create quite some interest in the flying =C2=A0apparatus = circles. If the EFI is using a MAP sensor or mass flow meter, the EFI would= be fully altitude-compensating to 3,000+ meters (10,000'). Unfortunate= ly, I haven't been able to source a parts manual yet to check what comp= onents are used in the EFI system.
:unquote

These are V-twins. = Might be interesting to see if there's a way to alter the 90* timing to= the rotary's 180 & deliver enough fuel for a rotary using this sys= tem & larger injectors...

Google search for the FI mfgr:

=
Charl= ie
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