Return-Path: Received: from mail.tsisp.com ([65.23.108.44] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP-TLS id 3181501 for flyrotary@lancaironline.net; Tue, 20 Apr 2004 18:28:17 -0400 Received: from stevehome by mail.tsisp.com (Technical Support Inc.) with SMTP id CQA74584 for ; Tue, 20 Apr 2004 18:28:17 -0400 Reply-To: From: "Steve Brooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Wanted - single stage turbo Date: Tue, 20 Apr 2004 18:30:16 -0400 Message-ID: <014101c42727$0e9a5660$6400a8c0@WORKGROUP.local> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0142_01C42705.8788B660" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0142_01C42705.8788B660 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit John, The turbo that those other guys bought was a Garrett T490 for a cost of $610. He didn't think that it would bolt up to the Mazda though, and they are building a custom exhaust manifold, so it didn't matter to them. Paul said that he had also had them rebuild a Mazda RX-7 turbo for him, and it was about $400. Here is the link: http://www.eastcoastturbo.com/ He suggested that you call and talk to them to see what is best. They may do an exchange, or rebuild yours also. P.S. I now have top coat on the canard, IP cover ailerons, rudders, nose cover, and repainted the canopy. Tomorrow the fuselage gets paint, and the wings will be either Friday or Saturday. Good Luck, Steve -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of John Slade Sent: Tuesday, April 20, 2004 1:58 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Wanted - single stage turbo Yes, please let me know, Steve. What's "reasonable" in the world of turbos? Regards, John -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Steve Brooks Sent: Tuesday, April 20, 2004 1:54 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Wanted - single stage turbo John, A couple of friends are building a Lancair with a 20B rotary. They bought a single stage turbo brand new for a pretty reasonable price. I believe that it is A Turbonetics, but I'll call him tonight and get more info. Steve Brooks Cozy MKIV 13BT - painting -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of John Slade Sent: Tuesday, April 20, 2004 1:38 PM To: Rotary motors in aircraft Subject: [FlyRotary] Wanted - single stage turbo Rotarians, Does anyone have a good second gen single stage turbo they want to sell? Failing that - can someone recommend a good supplier / rebuilder? Yes, you guessed it - I flew for almost an hour this morning, then fried the turbo. I'd noticed a bit of slack in the bearings, so was expecting to have to rebuild it anyway - just not quite this soon. The good news is that the failure mode was fairly benign. I was trying out the turbo at 5000ft and just passing through 170 kts making large circles over the field. The rpm dropped from about the 4500 I was using to 3500 and no amount of throttle would increase it from there. Below 3500 the engine ran almost normally, so I had enough power to climb if needed. It was maybe a tad rough, but not so's you'd notice. An observer says I put out a puff of white smoke, and was trailing a small amout of white smoke as I headed back in for a normal landing. In all I ran the engine for about 10 minutes after the turbo shaft broke. I lost about 1 pint of oil and the same of coolant through the collapsed bearings, so perhaps another 10 minutes or more would have been ok if the field had been further. The exhaust wheel was floating around in the wastegate housing, but too large to get through the hole, so all it did was block the exhaust a bit. I guess this is the "experimental" part of the exercise. :) John Slade Rotary Cozy IV (currently sans turbo) ------=_NextPart_000_0142_01C42705.8788B660 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
John,
The=20 turbo that those other guys bought was a Garrett T490 for a cost of = $610. =20 He didn't think that it would bolt up to the Mazda though, and they are = building=20 a custom exhaust manifold, so it didn't matter to them.  Paul said = that he=20 had also had them rebuild a Mazda RX-7 turbo for him, and it was about=20 $400.
 
Here=20 is the link: http://www.eastcoastturbo.com/ =20 He suggested that you call and talk to them to see what is best.  = They may=20 do an exchange, or rebuild yours also.
 
P.S. I=20 now have top coat on the canard, IP cover ailerons, rudders, nose cover, = and=20 repainted the canopy.  Tomorrow the fuselage gets paint, and the = wings will=20 be either Friday or Saturday.
 
 
Good=20 Luck,
 
Steve
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of John=20 Slade
Sent: Tuesday, April 20, 2004 1:58 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: Wanted - single = stage=20 turbo

Yes,=20 please let me know, Steve.
What's "reasonable" in the world of turbos? =
Regards,
John
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Steve=20 Brooks
Sent: Tuesday, April 20, 2004 1:54 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: Wanted - = single stage=20 turbo

John,
A=20 couple of friends are building a Lancair with a 20B rotary.  = They=20 bought a single stage turbo brand new for a pretty reasonable = price.  I=20 believe that it is A Turbonetics, but I'll call him tonight and get = more=20 info.
 
Steve Brooks
Cozy MKIV 13BT - painting
-----Original Message-----
From: Rotary motors = in=20 aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of = John=20 Slade
Sent: Tuesday, April 20, 2004 1:38 = PM
To: Rotary=20 motors in aircraft
Subject: [FlyRotary] Wanted - single = stage=20 turbo

Rotarians,
Does anyone have a good second gen = single stage=20 turbo they want to sell?
Failing that - can someone recommend a = good=20 supplier / rebuilder?
 
Yes, you guessed it - I flew for almost = an hour=20 this morning, then fried the turbo. = I'd noticed a bit of slack in the = bearings, so=20 was expecting to have to rebuild it anyway - just not quite this=20 soon.
 
The good news is that the failure mode = was fairly=20 benign. I was trying out the turbo at 5000ft and just passing = through 170=20 kts making large circles over the field.  The rpm dropped = from about=20 the 4500 I was using to 3500 and no amount of throttle would = increase it=20 from there. Below 3500 the engine ran almost normally, so I had = enough=20 power to climb if needed. It was maybe a tad rough, but not = so's=20 you'd notice. An observer says I put out a puff of white smoke, = and was=20 trailing a small amout of white smoke as I headed back in for a = normal=20 landing. In all I ran the engine for about 10 minutes after the = turbo=20 shaft broke. I lost about 1 pint of oil and the same of coolant = through=20 the collapsed bearings, so perhaps another 10 minutes or more = would have=20 been ok if the field had been further.  The exhaust wheel was = floating around in the wastegate housing, but too large to get = through the=20 hole, so all it did was block the exhaust a=20 bit.
 
I guess this is the "experimental" part = of the=20 exercise. :)
John Slade
Rotary Cozy IV (currently sans=20 = turbo)
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