Return-Path: Received: from ms-smtp-02.southeast.rr.com ([24.93.67.83] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2628034 for flyrotary@lancaironline.net; Tue, 07 Oct 2003 23:00:35 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-02.southeast.rr.com (8.12.10/8.12.2) with SMTP id h982uYku014815 for ; Tue, 7 Oct 2003 22:56:35 -0400 (EDT) Message-ID: <000e01c38d48$16315780$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] More stock turbo blues Date: Tue, 7 Oct 2003 22:58:44 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000B_01C38D26.8ECBCB20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_000B_01C38D26.8ECBCB20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Tuesday, October 07, 2003 10:37 PM Subject: [FlyRotary] More stock turbo blues Greetings, I bet if you looked in the archives, you'd see that I recently said = the stock Mazda turbo could take the heat. Well, I'm sorry to say that = I no longer believe that. =20 I just dissected a "low mileage" Series 5 turbo, and found that it was = crack city inside. Man, there isn't a single area of the high temp side = of the housing that doesn't have some sort of crack. All of these are = hidden from external view, so the one on my plane now is likely cracked = in just the same way. The latest exhaust manifold that I got from Ebay = is also cracked, despite the "no cracks" advertisement. Even with the = crack, it's way better than the one I currently have installed. Sigh... I have now decided, that the stock turbo is not going to stay on my = plane for the rev-2 cowl. The wastegate sucks, and turbo just isn't = high enough quality. It's one thing to run around in a car with cracked = parts, but not in the plane. =20 What does this mean? Good question. I don't know yet. I don't = "need" the turbo, but I "want" it, so I'm going to look into an = aftermarket turbo. This one would be properly sized, have a stainless = exhaust manifold, and usable wastegate. Why do I do these things to = myself... If I come to my senses somewhere along the line, I'll be = going NA, and still having more power than I need for an RV-3. I'd = have to attend the EDKILL lecture though :-)=20 Rusty (my kingdom for a turbo that isn't cracked!)=20 Hey Rusty, If any of us had come to our senses, we wouldn't be exchanging = these e mails {:>). I mean what fun is it going through life "Sane". = Trust me, stick with the turbo, you wouldn't want to sit throught the = presentation - because for you, it'll have to be twice {:>) I am pretty sure I am going to get the DRO before all is said and = done - but maybe that's my next Christmas present {:>). I've got the = ShopMaster all assembled now, but still have not turned on the power. A = guy with a ShopMaster has a web site where there is some good advise on = how to set it up and check it out. I am still wading through the tool = manual to figure out what does what. The more I get into it the more I = like what I see. The manual sucks cosmetically, but seems to cover the = important things. I need to finish cleaning off the shipping grease and = get some quill oil (never knew they made such a thing {:>)). It comes = ready to run, but several folks recommended draining the oil and = thoroughly cleaning out the gear box just to make certain there is no = debris. =20 The tail stock has a neat feature in that you can connect it to follow = behind the milling platform as it is automatically fed/moves or = disconnect it so it stays in one place. Sort of neat. The Mill head = unlocks from its mill mode to provide a drill capability that is as = simple as pulling on a knob. It has automatic depth Z and X axis = stops, it may have Y stops as well, but I haven't gotten that far yet. = What initially surprised me is that it also has automatic feed for the Y = axis as well. I guess you would need that if its a CNC capable machine. = So looks like automatic feed in X,Y and Z axis. I'm sure I'll run into = some frustrating limitation when I start to use it, but so far it looks = like money well spent. Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ------=_NextPart_000_000B_01C38D26.8ECBCB20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Tuesday, October 07, 2003 = 10:37=20 PM
Subject: [FlyRotary] More stock = turbo=20 blues

Greetings,
 
I bet if you = looked in=20 the archives, you'd see that I recently said the stock Mazda turbo = could take=20 the heat.  Well, I'm sorry to say that I no longer believe = that. =20
 
I just = dissected a "low=20 mileage" Series 5 turbo, and found that it was crack city = inside.  Man,=20 there isn't a single area of the high temp side of the housing that = doesn't=20 have some sort of crack.  All of these are hidden from external = view, so=20 the one on my plane now is likely cracked in just the same way.  = The=20 latest exhaust manifold that I got from Ebay is also cracked, despite = the "no=20 cracks" advertisement.  Even with the crack, it's way better than = the one=20 I currently have installed.  Sigh...
 
I have now = decided, that=20 the stock turbo is not going to stay on my plane for the rev-2 = cowl.  The=20 wastegate sucks, and turbo just isn't high enough quality.  It's = one=20 thing to run around in a car with cracked parts, but not in the=20 plane.  
 
What does = this=20 mean?  Good question.  I don't know yet.   I = don't=20 "need" the turbo, but I "want" it, so I'm going to look into an = aftermarket=20 turbo.  This one would be properly sized, have a = stainless=20 exhaust manifold, and usable wastegate.  Why do I do = these=20 things to myself...   If I come to my senses somewhere along = the=20 line, I'll be going NA, and still having more power than I need = for an=20 RV-3.   I'd have to attend the EDKILL lecture though=20 :-) 
 
Rusty (my = kingdom for a=20 turbo that isn't cracked!) 
 
Hey=20 Rusty,
 
   =20 If any of us had come to our senses, we wouldn't be exchanging these e = mails=20 {:>).  I mean what fun is it going through life = "Sane". Trust me,=20 stick with the turbo, you wouldn't want to sit throught the = presentation -=20 because for you, it'll have to be twice {:>)
 
 I am pretty=20 sure I am going to get the DRO before all is said and done - but maybe = that's=20 my next Christmas present {:>).  I've got the = ShopMaster all=20 assembled now, but still have not turned on the power.  A guy = with a=20 ShopMaster has  a web site where there is some good advise on how = to set=20 it up and check it out.  I am still wading through the tool = manual to=20 figure out what does what.  The more I get into it the more I = like what I=20 see.  The manual sucks cosmetically, but seems to cover the = important=20 things.  I need to finish cleaning off the shipping grease and = get some=20 quill oil (never knew they made such a thing {:>)).  It comes = ready to=20 run, but several folks recommended draining the oil and thoroughly = cleaning=20 out the gear box just to make certain there is no debris. =20
 
The = tail stock has=20 a neat feature in that you can connect it to follow behind the milling = platform as it is automatically fed/moves or disconnect it so it stays = in one=20 place.  Sort of neat.  The Mill head unlocks from its mill = mode to=20 provide a drill capability that is as simple as pulling on a = knob.  It=20 has automatic depth Z  and X axis stops, it may have Y stops as = well, but=20 I haven't gotten that far yet.  What initially surprised me is = that it=20 also has automatic feed for the Y axis as well.  I guess you = would need=20 that if its a CNC capable machine.  So looks like automatic feed = in X,Y=20 and Z axis.  I'm sure I'll run into some frustrating limitation = when I=20 start to use it, but so far it looks like money well=20 spent.
 
Ed
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
 
 
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