X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-mb01.mx.aol.com ([64.12.207.164] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with ESMTP id 4181282 for flyrotary@lancaironline.net; Sun, 28 Mar 2010 01:41:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.207.164; envelope-from=WRJJRS@aol.com Received: from imo-ma03.mx.aol.com (imo-ma03.mx.aol.com [64.12.78.138]) by imr-mb01.mx.aol.com (8.14.1/8.14.1) with ESMTP id o2S5eoDP029053 for ; Sun, 28 Mar 2010 01:40:50 -0400 Received: from WRJJRS@aol.com by imo-ma03.mx.aol.com (mail_out_v42.9.) id q.db7.14cca9b (55721) for ; Sun, 28 Mar 2010 01:40:45 -0400 (EDT) Received: from magic-m20.mail.aol.com (magic-m20.mail.aol.com [172.20.22.193]) by cia-md02.mx.aol.com (v127_r1.2) with ESMTP id MAILCIAMD024-d9a94baeebdd2bf; Sun, 28 Mar 2010 01:40:45 -0400 From: WRJJRS@aol.com Message-ID: <2eeba.7c13d86d.38e045dd@aol.com> Date: Sun, 28 Mar 2010 01:40:45 EDT Subject: Re: [FlyRotary] Re: Turbo Planning and p-port planning (Long) To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_2eeba.7c13d86d.38e045dd_boundary" X-Mailer: 9.0 SE for Windows sub 5046 X-AOL-ORIG-IP: 75.210.141.45 X-AOL-IP: 172.20.22.193 X-Spam-Flag:NO X-AOL-SENDER: WRJJRS@aol.com --part1_2eeba.7c13d86d.38e045dd_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en =20 In a message dated 3/27/2010 7:58:16 PM Pacific Standard Time, =20 rv-4mike@cox.net writes: Bill, =20 I'm sure you are right, less expensive is more marketable. Same point I= =20 tried to make earlier. It was a joke. =20 Having said that, not sure I wouldn=E2=80=99t be willing to pay a sizable= amount=20 (easy to say since its all hypothetical). The thing is I've been thinking= =20 about a Harmon Rocket for a few years now. What would it be worth to get= HR=20 performance without having to build an entirely new airplane? =20 Since we are talking hypothetically, what would that $25,000 engine look= =20 like? How much of it would be Mazda and how much of it would be custom?= If=20 we were willing to split the difference and essentially retain all the Ma= zda=20 pieces except the iron housings are we still talking about $25K? Just=20 thinking out loud here. =20 Mike Mike, I understood the joke, and I am sorry to throw cold water on it. The=20 Superlite engine retained the Mazda trochoid housings but even those were= =20 modified to remove as much weight as possible. They also went dry sump an= d fed=20 the water at the center housing out through the spark plug area. The engi= ne=20 looked like the entire engine was the shape of the rotor housings with al= l=20 aluminum end plates and p-ports. The engine mounts were extended "ears" = on=20 the end plates. The previously mentioned custom-built planetary on the =20 front and the pendulous damper on the rear. Also of interest was that it= was =20 plugs up, and turned backward to achieve normal prop rotation! With except= ion=20 of the rotors and housings every part was custom including the e-shaft. They then came to their senses and built the iron eagle engine. It looke= d=20 like a regular 13B because it was. The PSRU is a nice one using the=20 internal ring gear and pinion, spur cut. I think it is one of the better= designs=20 and a benefit is that it offsets the engine 2 inches down which really=20 helps cowl clearance. They also used a modified aircraft certified mechan= ical=20 FI with the standard leaning knob. I hope these things can be saved and= sold=20 for a much lower price. It would help us all tremendously. Bill Jepson=20 --part1_2eeba.7c13d86d.38e045dd_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en <= FONT id=3Drole_document face=3DArial color=3D#000000 size=3D2>
In a message dated 3/27/2010 7:58:16 PM Pacific Standard Time,=20 rv-4mike@cox.net writes:
Bill,
 
I'm sure you are right, less expensiv= e is more=20 marketable. Same point I tried to make earlier. It was a joke.
 
Having said that, not sure I wouldn= =E2=80=99t be=20 willing to pay a sizable amount (easy to say since its all hypothetical)= . The=20 thing is I've been thinking about a Harmon Rocket for a few years now.= What=20 would it be worth to get HR performance without having to build an entir= ely=20 new airplane?
 
Since we are talking hypothetically,= what would=20 that $25,000 engine look like? How much of it would be Mazda and ho= w much=20 of it would be custom? If we were willing to split the difference and=20 essentially retain all the Mazda pieces except the iron housings ar= e we=20 still talking about $25K? Just thinking out loud here.
 
Mike
=
Mike,
 I understood the joke, and I am sorry to throw= cold=20 water on it. The Superlite engine retained the Mazda trochoid housings but= even=20 those were modified to remove as much weight as possible. They also went= dry=20 sump and fed the water at the center housing out through the spark plug ar= ea.=20 The engine looked like the entire engine was the shape of the rotor housin= gs=20 with all aluminum end plates and p-ports. The engine mounts were extended= "ears"=20 on the end plates. The previously mentioned custom-built planetary on= the=20 front and the pendulous damper on the rear. Also of interest was that it= was=20 plugs up, and turned backward to achieve normal prop rotation! With except= ion of=20 the rotors and housings every part was custom including the=20 e-shaft.
 They then came to their senses and built the iro= n eagle=20 engine. It looked like a regular 13B because it was. The PSRU is a ni= ce one=20 using the internal ring gear and pinion, spur cut. I think it is one of th= e=20 better designs and a benefit is that it offsets the engine 2 inches=20 down which really helps cowl clearance. They also used a modifie= d=20 aircraft certified mechanical FI with the standard leaning knob. I hope th= ese=20 things can be saved and sold for a much lower price. It would help us all= =20 tremendously.
Bill Jepson 
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