X-Virus-Scanned: clean according to Sophos on Logan.com From: "Richard Sohn" Received: from smtp474.redcondor.net ([208.80.204.74] verified) by logan.com (CommuniGate Pro SMTP 6.0.10) with ESMTPS id 7285006 for flyrotary@lancaironline.net; Thu, 20 Nov 2014 16:33:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=208.80.204.74; envelope-from=res12@fairpoint.net Received: from smtp0v2.neonova.net ([137.118.16.31]) by smtp474.redcondor.net ({5f66a499-b734-4e2f-a09c-c2eb2297d85d}) via TCP (outbound) with ESMTP id 20141120213251417 for ; Thu, 20 Nov 2014 21:32:51 +0000 X-RC-FROM: X-RC-RCPT: Received: from MAIN (unknown [66.243.229.154]) (Authenticated sender: res12@fairpoint.net) by smtp0v2.neonova.net (Postfix) with ESMTPA id 3E1CE5A6065 for ; Thu, 20 Nov 2014 16:32:47 -0500 (EST) Message-ID: <61648AABA0D242548E461FCEDC72F0C1@MAIN> To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: New Rotary powerplant Date: Thu, 20 Nov 2014 15:27:54 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0059_01D004D6.8DBE5D40" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3522.110 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3522.110 X-MAG-OUTBOUND: greymail.redcondor.net@137.118.16/24 This is a multi-part message in MIME format. ------=_NextPart_000_0059_01D004D6.8DBE5D40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It looks to me simply like an inside-out Wankel. The rotor has the = inside shape of the rotor housing, and the rotor housing is the inside = shape of a rotor. Everything else would be the same.=20 Richard Sohn N2071U http://www.fairpoint.net/~res12/home.html From: Ernest Christley=20 Sent: Thursday, November 20, 2014 1:10 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: New Rotary powerplant The 13B's poor fuel burn, extremely hot exhaust and extremely loud = exhaust were all caused in large part by the unburned fuel in the quench = areas of the cylinder near the apex seals. It appears that this engine = is using direct injection into a recess in the combustion chamber. The = recess is practically spherical, minimizing heat transfer to the metal = in the body of the engine. The burn occurs there, and then expands out = into the larger chamber where there will be some fresh air not pushed = into the combustion chamber that will help burn any remaining = hydrocarbons and be expanded by the combustion heat as it waits for the = exhaust port to come around. This design will still have the same inter-chamber sealing issues that = the 13B has. It still has the same lubricating issues that the rotary = has. But, both are minor issues compared to that of fuel burn and = exhaust problems that are the bane of the Wankel. This could be very = promising for experimental aircraft use if they started producing larger = models (for generators perhaps). On Thursday, November 20, 2014 12:56 PM, James R. Osborn = wrote: Interesting: http://liquidpiston.com/technology/how-it-works/=20 On Nov 20, 2014, at 7:02 AM, Jack Hilditch = wrote: The Hartford Courant has a story this morning about a new rotary = engine manufactured by a Connecticut company called LiquidPiston. The = company was started in 2003 and has secured $21 million in development = funds since then. Company president and founder Alec Shkolnik holds a = doctorate from MIT. He and his physicist father Nikolay started the = LiquidPiston company in 2003. The story (with videos) can be found here = http://www.courant.com/business/hc-liquid-piston-bloomfield-new-engine-20= 141119-story.html Regards, Jack Hilditch Email: wmjack@t3cs.net ------=_NextPart_000_0059_01D004D6.8DBE5D40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It looks to me simply like an inside-out Wankel. The rotor has the = inside=20 shape of the rotor housing, and the rotor housing is the inside shape of = a=20 rotor. Everything else would be the same.
 
Richard=20 Sohn
N2071U

http://www.fairpoint.net/~res12/home.html
 
Sent: Thursday, November 20, 2014 1:10 PM
Subject: [FlyRotary] Re: New Rotary = powerplant
 
The 13B's poor fuel burn, extremely hot exhaust and extremely = loud=20 exhaust were all caused in large part by the unburned fuel in the quench = areas=20 of the cylinder near the apex seals.   It appears = that=20 this engine is using direct injection into a recess = in the=20 combustion chamber.  The recess is practically spherical, = minimizing=20 heat transfer to the metal in the body of the engine.  The burn = occurs=20 there, and then expands out into the larger chamber where there will be = some=20 fresh air not pushed into the combustion chamber that will help burn any = remaining hydrocarbons and be expanded by the combustion heat as it = waits for=20 the exhaust port to come around.

This=20 design will still have the same inter-chamber sealing issues that the = 13B=20 has.  It still has the same lubricating issues that the rotary = has. =20 But, both are minor issues compared to that of fuel burn and exhaust = problems=20 that are the bane of the Wankel.  This could be very promising for=20 experimental aircraft use if they started producing larger models (for=20 generators perhaps).
 


On Thursday, November 20, = 2014 12:56 PM,=20 James R. Osborn <flyrotary@lancaironline.net>=20 wrote:


Interesting:
 
http://liquidpiston.com/technology/how-it-works/=20
 
On Nov 20, 2014, at 7:02 AM, Jack Hilditch <flyrotary@lancaironline.ne= t>=20 wrote:
 
The=20 Hartford Courant has a story this morning about a new rotary engine=20 manufactured by a Connecticut company called LiquidPiston. The company = was=20 started in 2003 and has secured $21 million in development funds since = then.=20 Company president and founder Alec Shkolnik holds a doctorate from = MIT. He and=20 his physicist father Nikolay started the LiquidPiston company in 2003. = The=20 story (with videos) can be found here http://www.courant.com/business/hc-liquid-piston-bloomfie= ld-new-engine-20141119-story.html
 
Regards,
 
Jack Hilditch
Email: wmjack@t3cs.net
<= /BLOCKQUOTE>
 


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