X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.122] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTP id 4994017 for flyrotary@lancaironline.net; Wed, 25 May 2011 09:09:16 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.122; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=2lq4+qobG88tJFkiXmxSLStFAwyj+PriBwHB+7DDebs= c=1 sm=0 a=SrWISQfPV6EA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=arxwEM4EAAAA:8 a=r1ClD_H3AAAA:8 a=adgGZ5rYqNjY6GNA9BUA:9 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=e-JN_PQfAAAA:8 a=Ia-xEzejAAAA:8 a=JpX7nStp0VpyCgMFoYoA:9 a=qPajG2i4_IWc8bIgCIYA:7 a=JyRbfimH-8EA:10 a=EzXvWhQp4_cA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:65243] helo=EdPC) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 5C/02-17273-85FFCDD4; Wed, 25 May 2011 13:08:41 +0000 Message-ID: <395FA00B02A641E09DDDF5DFB5456639@EdPC> From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: New impeller design Date: Wed, 25 May 2011 09:08:12 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01CC1ABB.45EDCA40" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_0013_01CC1ABB.45EDCA40 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Excellent concept, Charles Certainly doesn't sound like any reason it couldn't be make to work - = however, one thing to keep in mind. Ernest (the Impeller Geek {:>)), is = using a one-off PSRU which provides sufficient space for his impeller to = be incorporated between engine and PSRU. The most common PSRU used is = the RWS PSRU and I am fairly certain there is insufficient space for = such an impeller.=20 Now if we could convince Tracy Crook to redesign his PSRU to = accommodate this concept - well, then I think it becomes a lot more = viable practical concept. But, I don't see a PSRU design happening = until/unless Ernest can show that his concept provides benefits worth = the investment. =20 But, again a great ideal - speak up more, lurk less. Ed Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.andersonee.com http://www.eicommander.com From: Charles Davis=20 Sent: Wednesday, May 25, 2011 8:03 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: New impeller design Hi, All =20 Just thinking aloud here, I visited a local foundry yesterday to collect = some feet for a bath-tub which I had made, and the owner was showing me = around his shop =E2=80=A6. One thing which caught my eye was an impeller = he is currently building a mould for =E2=80=93 it is for pumping air = into one of his furnaces, and this got me thinking on the way home = =E2=80=A6. =20 If an impeller were to be cast for this air-induction/super-charging = application, and was tied-in to the e-shaft (key-way or similar) would = it work to have a suitable magnet cast-in to the periphery of the = impeller, so that two coils could be mounted, 180 degrees apart, to = provide =E2=80=98magneto-type=E2=80=99 spark to one set of plugs = =E2=80=93 one coil per rotor at 180* for a 2-rotor, and 120* for a = 3-rotor =E2=80=93 this sounds, to me, so simple that I am surprised = nobody has done it before =E2=80=93 how good would it be to have a = completely battery-independent ignition system for amateur-built = aircraft ? =E2=80=A6 maybe I should shaddup, & return to lurking = =E2=80=A6 =20 Charles =20 =20 ------=_NextPart_000_0013_01CC1ABB.45EDCA40 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Excellent concept, Charles
 
Certainly doesn't sound like any reason it = couldn't be=20 make to work - however, one thing to keep in mind.  Ernest (the = Impeller=20 Geek {:>)), is using a one-off PSRU which provides sufficient space = for his=20 impeller to be incorporated between engine and PSRU.  The most = common PSRU=20 used is the RWS PSRU and I am fairly certain there is insufficient space = for=20 such an impeller. 
 
 Now if we could convince Tracy = Crook to=20 redesign his PSRU to accommodate this concept - well, then I think it = becomes a=20 lot more viable practical concept.  But, I don't see a PSRU design=20 happening until/unless Ernest can show that his concept provides = benefits worth=20 the investment. 
 
But, again a great ideal - speak up more, lurk=20 less.
 
Ed
 
Edward L. Anderson
Anderson Electronic = Enterprises=20 LLC
305 Reefton Road
Weddington, NC 28104
http://www.andersonee.com
http://www.eicommander.com

Sent: Wednesday, May 25, 2011 8:03 AM
Subject: [FlyRotary] Re: New impeller = design

Hi,=20 All

 

Just=20 thinking aloud here, I visited a local foundry yesterday to collect some = feet=20 for a bath-tub which I had made, and the owner was showing me around his = shop =E2=80=A6.=20 One thing which caught my eye was an impeller he is currently building a = mould=20 for =E2=80=93 it is for pumping air into one of his furnaces, and this = got me thinking=20 on the way home =E2=80=A6.

 

If=20 an impeller were to be cast for this air-induction/super-charging = application,=20 and was tied-in to the e-shaft (key-way or similar) would it work to = have a=20 suitable magnet cast-in to the periphery of the impeller, so that two = coils=20 could be mounted, 180 degrees apart, to provide = =E2=80=98magneto-type=E2=80=99 spark to one set=20 of plugs =E2=80=93 one coil per rotor at 180* for a 2-rotor, and 120* = for a 3-rotor =E2=80=93=20 this sounds, to me, so simple that I am surprised nobody has done it = before =E2=80=93=20 how good would it be to have a completely battery-independent ignition = system=20 for amateur-built aircraft ? =E2=80=A6 maybe I should shaddup, & = return to lurking=20 =E2=80=A6

 

Charles

 

 

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