Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2577672 for flyrotary@lancaironline.net; Fri, 12 Sep 2003 20:54:33 -0400 Received: from rad ([68.212.12.251]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20030913005432.QTBT1843.imf25aec.mail.bellsouth.net@rad> for ; Fri, 12 Sep 2003 20:54:32 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: turbo wastegate requirements Date: Fri, 12 Sep 2003 19:54:33 -0500 Message-ID: <012f01c37991$98905340$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0130_01C37967.AFBA4B40" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 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_0130_01C37967.AFBA4B40 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable <... The wastegate lever has very little throw ...>=20 So why not adjust (shorten) where on the lever you attach your cable =20 =20 That's how I got half travel on the lever :-)=20 What would enlarging the wastegate involve? Probably a MAJOR mod for = little benefit. =20 Each turbo version is a little different. If you're going to use a = stock Mazda turbo, go with the Series V- 89-91, since it has a much larger wastegate to start with. Even this can be ported, though I haven't = looked to see how much room there is to grow. =20 Also, keep in mind that you have to use a correction factor when reading Todd's posts about time and ease to fabricate things. He seems to be uncommonly good at that sort of thing, so multiply the time by 10 :-)=20 I'm anxious to hear how yours works ... Jim S. =20 Me too. The Setrab oil cooler installed real nice today, and it's all buttoned up ready to fly. The POS Earls fittings didn't even leak = (yet). I'm going to leave the prop pitch where it was on the last flight, which gave me 6300 rpm at 3 psi of boost. I'll try to run 30 inches on climb, = and see what the rpm is. =20 Rusty=20 ------=_NextPart_000_0130_01C37967.AFBA4B40 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
<... The = wastegate lever=20 has very little throw ...>
So why not adjust = (shorten)=20 where on the lever you attach your cable  
 
That's how I=20 got half travel on the lever :-) 

What would enlarging the = wastegate=20 involve?  Probably a MAJOR mod for little = benefit.  

Each turbo=20 version is a little different.  If you're going to use a stock = Mazda turbo, go with the Series V- 89-91, since it has a much = larger=20 wastegate to start with.  Even this can be ported, though I haven't = looked=20 to see how much room there is to grow.  

Also, keep in=20 mind that you have to use a correction factor when reading Todd's posts = about=20 time and ease to fabricate things.  He seems to be uncommonly = good at=20 that sort of thing, so multiply the time by 10 :-)

I'm anxious to hear how = yours works ...=20 Jim S.  

Me=20 too.  The Setrab oil cooler installed real nice today, = and it's=20 all buttoned up ready to fly.  The POS Earls fittings didn't = even leak=20 (yet).   I'm = going to leave=20 the prop pitch where it was on the last flight, which gave me 6300 rpm = at 3 psi=20 of boost.  I'll try to run 30 inches on climb, and see what the rpm = is. 

 Rusty 

------=_NextPart_000_0130_01C37967.AFBA4B40--