X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=EuKsUhUA c=1 sm=1 tr=0 a=pQ7fURxOc4QfenwraHihsw==:117 a=x7bEGLp0ZPQA:10 a=JZygid9Izu4A:10 a=y4yBn9ojGxQA:10 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=_ITK7txiC1LA7lktxywA:9 a=QEXdDO2ut3YA:10 a=Yyaefw6IEqi32DG1594A:9 a=bKKF-xAPZpgK87Xg:21 a=Urk15JJjZg1Xo0ryW_k8:22 From: "Kelly Troyer keltro@gmail.com" Received: from mail-lj1-f169.google.com ([209.85.208.169] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 649049 for flyrotary@lancaironline.net; Sun, 16 Aug 2020 13:07:31 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.169; envelope-from=keltro@gmail.com Received: by mail-lj1-f169.google.com with SMTP id t23so14959709ljc.3 for ; Sun, 16 Aug 2020 10:07:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=MqlJlGJ38pW6bA9uxdlM5U2tdEtU6rATiXB64FxpUcs=; b=KlTeOUuHwsFjctG2JHanVL0rksykxHRH+7vNJSgzTMJFihG+eAwuHzvlWQghN6g7tE BOrwQktpZffya8cgkbRbYwjayVkAeeJ/ZG8LC6K1XS6/Mwa64WqdsGgcDGqJCBvXdpH8 JrdbYXMhvr3lc0Yo3Cj/B2q0ngJNROW2/VZEFrmrZMV2v9V18XD7fBr2LpVwham95og0 MsoGlzSs0QxKERK6QRquQOcOTAsQvKbM60lfnX4LaW3rnWWecfbO1BHpYpnMIyUd3mK7 f14HxD/idiPGNRaXpIDEVAEx3qexlTYqpdpwi0GkNbkhNUmtka1NAamsz+XF4zel2nfY kCMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=MqlJlGJ38pW6bA9uxdlM5U2tdEtU6rATiXB64FxpUcs=; b=BlPWy8AilmtUAS9NtBjdBycREda66NfEMg/dTezOqhX+9Ce763GjdwQH0Giwzl/g4o In1UtzmBIdxd6iebOVMKbLTGYbLoDlGZGLb/CBO/YzWEVOzNOQkHjXF/kpX0VxlP//vp tRkLCURC8Nx2GNhsEfdk9G4oXulOYjJpUnO/tSHgKAvjCJuYHTU0ITgJ3BImKqZRMpS3 H/O+QAJ533hBPOuJpDGnQutJ28coVdqiZBjpKE3zYsOfjUSDUeCwTLMBkBTCxkNBBkRD tNyZqOCd6e8g0MoT61/3iczoiGg+MvgGtOLLoFPvtUNKrwTEPyF16j0ia1gA3KJCe6A/ L7Cg== X-Gm-Message-State: AOAM5328yt4os1Pu42Zep/HGwx8PUbhfQNBwoEs/R7azA3Hc7xy8Ukbs 6Folcn/ReQ//U8h7cbY8ukrfaX1SpWIhCyAzWT8Q2SZX X-Google-Smtp-Source: ABdhPJymgBnBzS+C4+dZGCZ+D5VNlimOdJkG/m1i/AIQ55k/2OFDltxVzMF85RtQYnFESQHfGztnwAZj11RB7ew69kk= X-Received: by 2002:a2e:8098:: with SMTP id i24mr5762150ljg.50.1597597632993; Sun, 16 Aug 2020 10:07:12 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Sun, 16 Aug 2020 12:04:41 -0500 Message-ID: Subject: Re: [FlyRotary] Re: turbos To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="000000000000689ef805ad01afe7" --000000000000689ef805ad01afe7 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Todd, Does enlarging the wastegate hole give some of the same effect as an increased A/R ratio turbine housing (say 1.15 for instance) to prevent overspeed at altitude ??.............. Kelly Troyer On Sun, Aug 16, 2020 at 2:44 AM Todd Bartrim bartrim@gmail.com < flyrotary@lancaironline.net> wrote: > All I did to put mine was sprayed some toolmakers ink on the closed > wastegate (any spray paint will work), to show clearly the extent of the > wastegate coverage. Then I removed the wastegate and the stock wastegate > hole is about the size of a dime. The cover is about the size of a dollar > coin (Loonie, up here in Canada). > I then used a die grinder to open up the hole to within 1/16" of the > coverage of the gate. On the inside I took care to open it up even furthe= r > to have a smooth inflow path. > I didn't change the bushings on the shaft. > I've never had any trouble controlling boost with that. > But the new one that I've got coming will have an even larger hole withou= t > a new larger gate. > > > On Sat., Aug. 15, 2020, 18:36 12348ung@gmail.com, < > flyrotary@lancaironline.net> wrote: > >> Todd, >> >> I think from memory the waste gate mechanism is welded in >> (Turbo is at local precision turbos) If necessary I will do the wastega= te >> upgrade myself. Easy to put S/S bushes on the shaft =E2=80=93 just have= to get it >> all apart. Possibly famous last words. How did you do yours Todd? >> >> Neil. >> >> >> >> *From:* Rotary motors in aircraft >> *Sent:* Sunday, August 16, 2020 8:24 AM >> *To:* Rotary motors in aircraft >> *Subject:* [FlyRotary] Re: turbos >> >> >> >> Hi Neil; >> >> When I talked with him he said his web page is out of date and need an >> update. But one of the things is all of his upgrades now have an 0.7 A/R >> >> >> >> Todd >> >> >> >> On Sat., Aug. 15, 2020, 15:08 12348ung@gmail.com, < >> flyrotary@lancaironline.net> wrote: >> >> Dave, Todd et all, >> >> I just rechecked BNR upgrades as all >> have an A/R of 0.6, whereas I think it was you Dave that gave the specs = of >> 1.15?? Did I read it right? Just have to be sure when I talk to the lo= cal >> bloke who is quoting $1000 AUD for a basic upgrade. That is approx. $66= 0 >> USD. Seems he is to just replace the air turbine and housing only. I w= ill >> ask about the wastegate when I talk to him as BRN modify all wastegates, >> but go for up to 17 PSI. Only need 7 psi max?? >> >> Think I am finally getting there. Just need to confirm >> that the A/R is only 0.6 and not 1.15?? Suggestions? >> >> Neil. >> >> --=20 Kelly Troyer Dyke Delta_"Eventually" 13B_RD1C_EC2_EM2 --000000000000689ef805ad01afe7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Todd,
=C2=A0 =C2=A0 Does enlarging the wastegate=C2=A0= hole give some of the same effect as an increased A/R ratio turbine=C2=A0 h= ousing (say 1.15 for instance)=C2=A0 to prevent overspeed at altitude ??...= ...........

Kelly Troyer

On Sun, Aug 16, 2020= at 2:44 AM Todd Bartrim bartrim@gmail= .com <flyrotary@lanca= ironline.net> wrote:
All I did to put mine was sprayed some t= oolmakers ink on the closed wastegate (any spray paint will work), to show = clearly the extent of the wastegate coverage. Then I removed the wastegate = and the stock wastegate hole is about the size of a dime. The cover is abou= t the size of a dollar coin (Loonie, up here in Canada).
I= then used a die grinder to open up the hole to within 1/16" of the co= verage of the gate. On the inside I took care to open it up even further to= have a smooth inflow path.
I didn't change the = bushings on the shaft.
I've never had any troubl= e controlling boost with that.
But the new one that = I've got coming will have an even larger hole without a new larger gate= .


On Sat., Aug. 15, 2020, 18:36 12348ung@gmail.com, <flyrotary@lancaironline.net> wrote= :

Todd,<= /span>

=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I think from memo= ry the waste gate mechanism is welded in (Turbo is at local precision turbo= s)=C2=A0 If necessary I will do the wastegate upgrade myself.=C2=A0 Easy to= put S/S bushes on the shaft =E2=80=93 just have to get it all apart.=C2=A0= Possibly famous last words. How did you do yours Todd?

Neil.=

=C2=A0=

From: Rotary motors in aircraft <flyrotary@lancairon= line.net>
Sent: Sunday, August 16, 2020 8:24 AM
To:= Rotary motors in aircraft <flyrotary@lancaironline.net= >
Subject: [FlyRotary] Re: turbos

=C2=A0

= Hi Neil;

=C2=A0When I talked w= ith him he said his web page is out of date and need an update. But one of = the things is all of his upgrades now have an 0.7 A/R=C2=A0

=C2=A0

Todd

=C2=A0

On Sat., Aug. 15, 2020, 15:08 12348ung@gmail.com, <fl= yrotary@lancaironline.net> wrote:

Dave, Tod= d et all,

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I just rechecked = BNR upgrades as all have an A/R of 0.6, whereas I think it was you Dave tha= t gave the specs of 1.15??=C2=A0 Did I read it right?=C2=A0 Just have to be= sure when I talk to the local bloke who is quoting $1000 AUD for a basic u= pgrade.=C2=A0 That is approx. $660 USD.=C2=A0 Seems he is to just replace t= he air turbine and housing only.=C2=A0 I will ask about the wastegate when = I talk to him as BRN modify all wastegates, but go for up to 17 PSI.=C2=A0 = Only need 7 psi max??

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Think I am finally getting there.=C2=A0 Just= need to confirm that the A/R is only 0.6 and not 1.15??=C2=A0 =C2=A0=C2=A0= Suggestions?

Neil.



--
Kelly Troyer
Dyke Delta_"Eventually"= ;
13B_RD1C_EC2_EM2
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