Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.93.67.84] verified) by logan.com (CommuniGate Pro SMTP 4.1b7) with ESMTP id 2403546 for flyrotary@lancaironline.net; Thu, 05 Jun 2003 09:29:50 -0400 Received: from o7y6b5 (clt78-198.carolina.rr.com [24.93.78.198]) by ms-smtp-03.southeast.rr.com (8.12.5/8.12.2) with SMTP id h55DSBMG015628 for ; Thu, 5 Jun 2003 09:28:12 -0400 (EDT) Message-ID: <004d01c32b67$8c14b8e0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] More turbo issues Date: Thu, 5 Jun 2003 09:37:02 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004A_01C32B46.04D85F60" 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_004A_01C32B46.04D85F60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Wednesday, June 04, 2003 10:58 PM Subject: [FlyRotary] More turbo issues Greetings, I was talking to Fred this morning, and he mentioned something I = hadn't considered about the use of the turbo. The would have to be a = huge gyroscopic load on the bearings of the turbo when doing aerobatics. = The more I've thought about it, the more I can't recall ever hearing of = an aerobatic plane with a turbo. Certainly something to think about. I have to admit that I came VERY close to removing the turbo today, = but I've come this far, and now have the BUC (big ugly cowl) sized to = fit everything, so I'm going ahead with the turbo. Of course the weight = and balance could shoot the turbo out of the water too. Unfortunately, = I seem to be at the eternal 2 month to completion mark :-) Rusty Turbo 13B powered RV-3 (experimental aircraft)...Be Afraid :-) 1993 RX-7 R1... Not stock, carry bail money :-) Interesting point on the gyrosopic loads, the wheels are fairly low = mass, but very high RPM so the loads could be considerable. Yes, the dreaded old 90% complete 90% to go point. Been there also! Ed ------=_NextPart_000_004A_01C32B46.04D85F60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Wednesday, June 04, 2003 = 10:58=20 PM
Subject: [FlyRotary] More turbo = issues

Greetings,

 

I was talking to Fred = this=20 morning, and he mentioned something I hadn=92t considered about the = use of the=20 turbo.  The would have to be a huge gyroscopic load on the = bearings of=20 the turbo when doing aerobatics.  The more I=92ve thought about = it, the=20 more I can=92t recall ever hearing of an aerobatic plane with a = turbo. =20 Certainly something to think about.

 

I have to admit that I = came VERY=20 close to removing the turbo today, but I=92ve come this far, and now = have the=20 BUC (big ugly cowl) sized to fit everything, so I=92m going ahead with = the=20 turbo.  Of course the weight and balance could shoot the turbo = out of the=20 water too.   Unfortunately, I seem to be at the eternal 2 = month to=20 completion mark :-)

 

Rusty

Turbo 13B powered RV-3=20 (experimental aircraft)...Be Afraid :-)

1993 RX-7 R1... Not = stock, carry=20 bail money :-)

 

Interesting point = on the=20 gyrosopic loads, the wheels are fairly low mass, but very high RPM so = the=20 loads could be considerable.

 

Yes, the = dreaded old 90%=20 complete 90% to go point.  Been there also!

 

Ed

 

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