X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hs-out-0708.google.com ([64.233.178.246] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2847771 for flyrotary@lancaironline.net; Mon, 14 Apr 2008 18:49:28 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.233.178.246; envelope-from=cozy4pilot@gmail.com Received: by hs-out-0708.google.com with SMTP id x43so581739hsb.3 for ; Mon, 14 Apr 2008 15:48:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:reply-to:from:to:in-reply-to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:importance; bh=65PLjkGcklgqz55yU9Oz0g6O5zv3ZbxqzG5+9Wj3gfY=; b=Gu8eDe87COsD6lhR0pky+SWozKuBZm5P9AUxy/mYhel2d4AnYUj7RAmKt+W8c2ohdc8sJSkkW+d1J6gkPnuPfKHteLuf48Y5/DPYjF+qt4Ctvt98Z/RMOQWfRHi/gjYdBOeXSZH6gJOmk2vcdiGCMm+B2kY98aq5eBbZNYKWlVY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=reply-to:from:to:in-reply-to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:x-mimeole:importance; b=g0kdQh2fy0m+SsPhM2aXKsmUJiO31BuiViyddZ8UOrUK876bkeq3a+srox4NveCX/U9Ebs9q9pq5hjTa3d2n1LOdyfFsVAMLpmhEfv62GI7wjRbXa38l7hWKbdbof6Vgxoame+mvTKhNA4Zv1dNIExPWYpBhuYrXIF0uc+PuT8A= Received: by 10.101.67.15 with SMTP id u15mr13325734ank.19.1208213328969; Mon, 14 Apr 2008 15:48:48 -0700 (PDT) Return-Path: Received: from HomePC ( [71.50.127.94]) by mx.google.com with ESMTPS id a68sm415278rnc.5.2008.04.14.15.48.45 (version=SSLv3 cipher=OTHER); Mon, 14 Apr 2008 15:48:46 -0700 (PDT) Reply-To: From: "Steve Brooks" To: "Rotary motors in aircraft" In-Reply-To: Subject: RE: [FlyRotary] Re: New Radiator Date: Mon, 14 Apr 2008 18:43:38 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005D_01C89E5F.7436A880" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16545 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_005D_01C89E5F.7436A880 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Greg, I’m running the same turbo as Dave Leonard. The company is BNR turbo, and they take a 2nd gen turbo, and rework it with a T04 compressor, and 360 degree thrust bearings. They also trim the hot side impeller, open up the waste gate, and balance the whole assembly. On the 13B, it is a nice option, because it bolts right on. With the 20B though, it is a different story. If you have to have an intake made anyways, you’d be best to just got with a straight T04 turbo. I’m not sure how closely Paul Brannon monitors the list, but he has a 20B turbo, and would be a good person to talk with about it. On mine, I’m running the waste gate full open (no flapper), and I still get tons of boost. I only opened it up once on a fast taxi, and it went to about 10 lbs of boost. The acceleration at 10 lbs was substantial. I normally throttle up to 5 lbs of boost, and rotate at 80 kits. That takes about 1500 feet of runway followed by about 1500 FPM climb. I really don’t think that I need more than 5 lbs of boost for takeoff. Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Greg Ward Sent: Monday, April 14, 2008 6:20 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: New Radiator Hey Steve; Which make and model of Turbo are you using? Getting ready to go there this next week, and need to make some decisions. Anybody else with 20B turbo experience, especially wastegates, boost controllers, etc. that has any input here would be gratefully appreciated. Just got my ECU, yay! Greg Lancair 20b in progress. ----- Original Message ----- From: Steve Brooks To: Rotary motors in aircraft Sent: Monday, April 14, 2008 2:43 PM Subject: [FlyRotary] New Radiator I’ve made a few flights now with the new turbo and finally have the engine re-tuned, so it is running great. The down side of the new turbo is, that my cooling, which was a bit marginal is worse with the new turbo. I did plan on making some inlet adjustments, but finally decided to just go with a customer built aluminum radiator. I found a company here in NC that makes them to order, and it should arrive tomorrow. It will also have the aluminum shroud with it to mount a cooling fan, which I did not have before either. With the pusher, anything over about 10 minutes of ground operation would have temperatures over 180 before the takeoff run. I also had ¼” NPT fittings put right next to the AN16 inlet and outlet, Since I already have a sensor on the water pump outlet, I’ll use the inlet fitting for a limit switch to operate the fan. I’ll also put in a switch on the instrument panel to operate it manually as well. In the next couple of weeks, I’ll remove the old evaporator cores and plenum, build mounting brackets for the new radiator, and build a new inlet plenum to the radiator. I had them put a ½” flange around the perimeter of the core on the inlet side for easy attachment of the plenum to the radiator. Steve Brooks Cozy MKIV N75CZ ------=_NextPart_000_005D_01C89E5F.7436A880 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Gr= eg,

I&= #8217;m running the same turbo as Dave Leonard.  The company is BNR turbo, and they take a 2nd gen = turbo, and rework it with a T04 compressor, and 360 degree thrust bearings.  They also trim the hot side = impeller, open up the waste gate, and balance the whole = assembly.

 

On= the 13B, it is a nice option, because it bolts right on.  With the 20B though, it is a different story.  If you have to have an intake = made anyways, you’d be best to just got with a straight T04 turbo.  =

I&= #8217;m not sure how closely Paul Brannon monitors the list, but he has a 20B turbo, = and would be a good person to talk with about = it.

 

On= mine, I’m running the waste gate full open (no flapper), and I still get tons of = boost.  I only opened it up once on a = fast taxi, and it went to about 10 lbs of boost.  The acceleration at 10 lbs was = substantial.

I = normally throttle up to 5 lbs of boost, and rotate at 80 kits.  That takes about 1500 feet of runway followed by = about 1500 FPM climb.  I really = don’t think that I need more than 5 lbs of boost for = takeoff.

 

St= eve Brooks

 

 

-----Original Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Greg Ward
Sent: Monday, April 14, = 2008 6:20 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = New Radiator

 

Hey Steve;

Which make and model of Turbo are you using?  Getting ready to go there = this next week, and need to make some decisions.  Anybody else with 20B = turbo experience, especially wastegates, boost controllers, etc. that has any = input here would be gratefully appreciated.  Just got my ECU, = yay!<= /p>

Greg<= /p>

Lancair 20b in progress.

----- Original Message -----

=

To: Rotary motors in aircraft

Sent: Monday, April = 14, 2008 2:43 PM

Subject: [FlyRotary] New Radiator

 <= /p>

I’ve made a = few flights now with the new turbo and finally have the engine re-tuned, so it is = running great.  The down side of = the new turbo is, that my cooling, which was a bit marginal is worse with the = new turbo.  =

I did plan on making = some inlet adjustments, but finally decided to just go with a customer built aluminum radiator.  I = found a company here in NC that makes them to order, and it should arrive tomorrow.  It will also have the aluminum = shroud with it to mount a cooling fan, which I did not have before either.  With the pusher, anything over = about 10 minutes of ground operation would have temperatures over 180 before the = takeoff run.

 

I also had = =BC” NPT fittings put right next to the AN16 inlet and outlet,  Since I already have a sensor on the water pump = outlet, I’ll use the inlet fitting for a limit switch to operate the fan.  I’ll also put in a = switch on the instrument panel to operate it manually as well. 

 

In the next couple = of weeks, I’ll remove the old evaporator cores and plenum, build = mounting brackets for the new radiator, and build a new inlet plenum to the radiator.  I had them put a =BD” = flange around the perimeter of the core on the inlet side for easy attachment of the = plenum to the radiator.  =

 

Steve = Brooks

Cozy MKIV = N75CZ

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