X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from pan.gwi.net ([207.5.128.165] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTPS id 3735659 for flyrotary@lancaironline.net; Sun, 28 Jun 2009 19:43:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.5.128.165; envelope-from=silvius@gwi.net Received: from yourlk4rlmsu41 (bb-216-195-174-159.gwi.net [216.195.174.159]) by pan.gwi.net (8.13.1/8.13.1) with SMTP id n5SNgSCc039661 for ; Sun, 28 Jun 2009 19:42:32 -0400 (EDT) (envelope-from silvius@gwi.net) Message-ID: <006201c9f852$1f03cfc0$9faec3d8@yourlk4rlmsu41> From: "Michael Silvius" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: More progress, more questions.... Date: Sun, 28 Jun 2009 19:39:45 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005D_01C9F828.30E39010" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1807 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1807 This is a multi-part message in MIME format. ------=_NextPart_000_005D_01C9F828.30E39010 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable FWIW: The disparaging comments come from the unlikeliest sources as well. A few years back before buying my RD1C I called a geared PSRU = distributor in Canada to inquire about the possibility of using his = redrive on the Mazda rotary. The one attractive part on his unit to me = was the off-set that would allow me to lower the engine, a desirable = detail in my installation. I asked if his redrive had ever been used in = combination with the Mazda rotary, and if so, what about the harmonics = issues particular to the Mazda and how he addressed them. At the time I = also indicated that my other consideration was the already proven unit = from RWS. What followed from him was a diatribe about the failures of = the RWS ECU. He never answered my questions or addressed the issues I = queried about, choosing instead to disparage Tracy's work and the Mazda = rather than telling me how his own redrive could, or not work for me. = That was enough for me to learn I did not want to deal with this fellow. = I would rather deal with the one who has been there in the rotary world = since the beginning, had a proven track record and know that there would = be someone there who was willing to work with me in getting to my = objective. Beyond that what stands out to me is that the biggest teething problem = for so many with the Mazda rotary so far is the complexity of the = ECU/fuel inj/ ignition. As has been pointed out, the EC2 is not a plug = and play device and does take some degree of ghostbusters poltergeist = work to chase the gremlins down. And this may be a daunting issue for = more than one of us. I am planning on a dead nuts basic carburated = induction at least initially just to ease this part of the process. Michael in soggy Maine ----- Original Message -----=20 From: Berniehb7448@wmconnect.com=20 To: Rotary motors in aircraft=20 Sent: Sunday, June 28, 2009 4:08 PM Subject: [FlyRotary] Re: More progress, more questions.... The anti-rotary sentiments are out there in many shapes.=20 The other day I was surfing for PSRUs, when I read a PSRU = manufacturer's diatribe about why he was NOT making PSRUs for the Mazda. = Basically he focused on the real and rumored difficulties, past and = present, of Mazda rotaries used on aircraft. This had nothing to do with = PSRUs at all, but with his prejudiced thinking. There are a lot of = rotaries out there being used in aircraft, and a lot of progress made in = making them work. I, for one, believe the rotary has the potential of = making the piston world get smaller and smaller - this is the real = secret fear of all the piston-heads - loss of prestige and money..=20 Oh yeah, silly me, I forgot an important thing: Lycoming and = Continental designed their engines, and they performed perfectly right = away, never needing trials, never experiencing problems, never having to = issue product warnings or recalls, right, guys!!?? No wonder all the = rotary-experimenting poor slobs need to be put straight immediately and = often! (For you concrete thinkers out there, this is sarcasm - I don't = want to be blasted mistakenly.)=20 BTW, does anyone have a list of PSRU's that are also made for = rotaries? The emphasis today seems to be on geared PSRUs, why is that? = What scientific factual reasons prevent us from considering cog belts or = chains?=20 Thank you. ------=_NextPart_000_005D_01C9F828.30E39010 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
FWIW:
 
The disparaging comments come from the = unlikeliest=20 sources as well.
 
A few years back before buying my RD1C I called = a geared=20 PSRU distributor in Canada to inquire about the possibility of = using=20 his redrive on the Mazda rotary. The one attractive part on his = unit to me=20 was the off-set that would allow me to lower the engine, a desirable = detail in=20 my installation. I asked if his redrive had ever been used in = combination=20 with the Mazda rotary, and if so, what about the harmonics issues = particular to=20 the Mazda and how he addressed them.  At the time I also indicated = that my=20 other consideration was the already proven unit from RWS. What followed = from him=20 was a diatribe about the failures of the RWS ECU. He never answered my = questions=20 or addressed the issues I queried about, choosing instead to=20 disparage Tracy's work and the Mazda rather than telling = me how=20 his own redrive could, or not work for me. That was enough for me to = learn I did=20 not want to deal with this fellow. I would rather deal with=20 the one who has been there in the rotary world since the = beginning,=20 had a proven track record and know that there would be someone = there=20 who was willing to work with me in getting to my objective.
 
Beyond that what stands out to me is that the = biggest=20 teething problem for so many with the Mazda rotary so far is the = complexity of=20 the ECU/fuel inj/ ignition. As has been pointed out, the EC2 is not a = plug and=20 play device and does take some degree of ghostbusters = poltergeist work=20 to chase the gremlins down. And this may be a daunting issue = for more=20 than one of us. I am planning on a dead nuts basic = carburated induction at=20 least initially just to ease this part of = the process.
 
Michael in soggy Maine
 
 
----- Original Message -----
From:=20 Berniehb7448@wmconnect.com=
Sent: Sunday, June 28, 2009 = 4:08 PM
Subject: [FlyRotary] Re: More = progress,=20 more questions....

The=20 anti-rotary sentiments are out there in many shapes.
The other day = I was=20 surfing for PSRUs, when I read a PSRU manufacturer's diatribe about = why he was=20 NOT making PSRUs for the Mazda. Basically he focused on the real and = rumored=20 difficulties, past and present, of Mazda rotaries used on aircraft. = This had=20 nothing to do with PSRUs at all, but with his prejudiced thinking. = There are a=20 lot of rotaries out there being used in aircraft, and a lot of = progress made=20 in making them work. I, for one, believe the rotary has the potential = of=20 making the piston world get smaller and smaller - this is the real = secret fear=20 of all the piston-heads - loss of prestige and money..
Oh yeah, = silly me,=20 I forgot an important thing: Lycoming and Continental designed their = engines,=20 and they performed perfectly right away, never needing trials, never=20 experiencing problems, never having to issue product warnings or = recalls,=20 right, guys!!?? No wonder all the rotary-experimenting poor slobs need = to be=20 put straight immediately and often! (For you concrete thinkers out = there, this=20 is sarcasm - I don't want to be blasted mistakenly.)
BTW, does = anyone have=20 a list of PSRU's that are also made for rotaries? The emphasis today = seems to=20 be on geared PSRUs, why is that? What scientific factual reasons = prevent us=20 from considering cog belts or chains?
Thank you.=20 ------=_NextPart_000_005D_01C9F828.30E39010--