X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.3c3) with ESMTP id 4015776 for flyrotary@lancaironline.net; Fri, 11 Dec 2009 14:36:16 -0500 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id 27C9617386B for ; Sat, 12 Dec 2009 03:35:38 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id B94BCBEC005 for ; Sat, 12 Dec 2009 03:35:36 +0800 (WST) Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Ink Jet Technology Injectors Date: Sat, 12 Dec 2009 05:35:40 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CA7AEC.F10975C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 091211-0, 12/11/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0009_01CA7AEC.F10975C0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable John, Don't know - however I'd be surprised if it hadn't been tried before. In = this era where emphasis is on pollution control, you would think all = these thing would come to the forefront of=20 engine technology.=20 Has anyone one got any info on the Honda Civic, maybe someone had one = and knows a little about it. BTW finally saw the video Kelly and I was impressed with what I saw. Ink = jet technology must be better than I imagined. If it can be done for heavy fuels, they can do it for the lighter fuel = as well - maybe? It would be good if they could do it without high = pressure. I know more than one of the smaller rotary engines run fuel through the = rotor to cool the rotor and it certainly would heat the fuel and it may = be for this reason they do it. However I'm wondering about droplet sizes = and what happens when cool air hits the hot vaporized fuel - does it = condense the fuel back into larger droplets. If so that would negate the = effect. To my way of thinking what is needed is hot vaporized fuel = suspended in cold air - I'm no where near smart enough to solve this = problem. George ( down under) George, wasn't the idea of the pre-combustion chamber used in the = original Honda Civic, something along this line of thinking. The car = was achiving over 50 miles to the gallon at that time. JohnD ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Thursday, December 10, 2009 3:19 PM Subject: [FlyRotary] Re: Ink Jet Technology Injectors If the fuel could be vaporized just prior to injection, and within = the motor (acting as containment) - the problem would be solved. I don't = know of anyone with the answer yet. George ( down under) =20 Group, Possably a future fuel injector system for our use even = though designed primarily for heavy fuels.................Interesting................ =20 Watch This: From Ink Jets to Jet Engines A maker of propulsion systems for unmanned aerial vehicles = discovered a novel use for ink jets: they've created a MEMS fuel = injection system that can improve small engine efficiency. This video = explores how the device produces much smaller fuel droplets =E2=80=94 = down to 10 microns =E2=80=94 helping improve fuel mix and combustion. http://www.nwuav.com/video_MEMS.html -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 ------=_NextPart_000_0009_01CA7AEC.F10975C0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
 John,
Don't know - however I'd be surprised = if it=20 hadn't been tried before. In this era where emphasis is on = pollution=20 control, you would think all these thing would come to the forefront=20 of 
engine technology. 
Has anyone one got any info on the = Honda Civic,=20 maybe someone had one and knows = a little=20 about it.
 
BTW finally saw the video Kelly and I = was impressed=20 with what I saw. Ink jet technology must be better than I = imagined.
If it can be done for heavy fuels, they = can do it=20 for the lighter fuel as well - maybe? It would be good if they could do = it=20 without high pressure.
 
I know more than one of the = smaller rotary=20 engines run fuel through the rotor to cool the rotor and it certainly = would heat=20 the fuel and it may be for this reason they do it. However I'm wondering = about=20 droplet sizes and what happens when cool air hits the hot vaporized fuel = - does=20 it condense the fuel back into larger droplets. If so that would negate = the=20 effect. To my way of thinking what is needed is hot vaporized fuel = suspended in=20 cold air - I'm no where near smart enough to solve this=20 problem.
George ( down under)
George, wasn't the idea of the = pre-combustion=20 chamber used in the original Honda Civic, something along this line of = thinking.  The car was achiving over 50 miles to the gallon at = that=20 time.  JohnD
----- Original Message -----
From:=20 George=20 Lendich
To: Rotary motors in = aircraft=20
Sent: Thursday, December 10, = 2009 3:19=20 PM
Subject: [FlyRotary] Re: Ink = Jet=20 Technology Injectors

If the=20 fuel could be vaporized just prior to injection, and within the=20 motor (acting as containment) - the problem would be = solved. I=20 don't know of anyone with the answer yet.
George ( down under)
  
     Group,
        Possably a future = fuel=20 injector system for our use even though designed primarily
    for heavy=20 fuels.................Interesting................
 
  =20 Watch=20 This: From Ink Jets to Jet Engines
A maker of propulsion systems for = unmanned=20 aerial vehicles discovered a novel use for ink jets: they've = created a=20 MEMS fuel injection system that can improve small engine = efficiency. This=20 video explores how the device produces much smaller fuel droplets =E2=80=94 down to = 10 microns =E2=80=94=20 helping improve fuel mix and combustion.

 
 
   http://www.nwuav.com/video_= MEMS.html
 
--
Kelly Troyer
"Dyke = Delta"_13B=20 ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil = Manifold=20



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