X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.3 cv=EuKsUhUA c=1 sm=1 tr=0 a=UmkYa9AZFJEwcQacvEqPdQ==:117 a=x7bEGLp0ZPQA:10 a=A-0mRrAPPO4A:10 a=y4yBn9ojGxQA:10 a=_6GpL_ENAAAA:8 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=yMhMjlubAAAA:8 a=3oc9M9_CAAAA:8 a=i0850qwH0bRoWCcJrK0A:9 a=QEXdDO2ut3YA:10 a=Tr8nuKu5vpAA:10 a=wBVkCjY7-UXbGxd2FzEA:9 a=E8jHgsU6w6LN2sGY:21 a=xHaYSeaRmFCljTX2gecA:9 a=HXjIzolwW10A:10 a=T6a71-JsGAwA:10 a=Urk15JJjZg1Xo0ryW_k8:22 From: "Charlie England ceengland7@gmail.com" Received: from mail-io1-f45.google.com ([209.85.166.45] verified) by logan.com (CommuniGate Pro SMTP 6.2.14) with ESMTPS id 694662 for flyrotary@lancaironline.net; Fri, 28 Aug 2020 12:53:24 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.166.45; envelope-from=ceengland7@gmail.com Received: by mail-io1-f45.google.com with SMTP id i10so2069398iow.3 for ; Fri, 28 Aug 2020 09:53:24 -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=Jc+zPUz3rxzBVS0pXd7uGM6y3TliyD5WB3+I2ZKte9s=; b=VoXt/c90ebroRpsupGy89AlwsmMOadzHZyTy+1S0jeGAKvPuPJr1uuQzTeWW22TXSa VFm8e2M7IYbwqDyrIZZRRK+tFc/VU98RXmcWGa+0Nk6AfsJy2pKnWrfC3GkES5omzEuq i9nOzc89jwJhMdWNJEUl07xTUVV9faRNmnPQZMKnt6aBqNahul9Xmxt3k61/9IFJE2fZ Hpy3WAYYJPwLIxtPfukhKz8pGJG/f6nRKhqXLOjgnyXJfM9hit0eB6XzsTeqiJFCXGpA zQnHuMtOo7B0KBcfkAftYNfItq+jM4GD0tpsbRZG8PdzuoOdRLtALPT3cQsjWcSiUeXX ljCA== 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=Jc+zPUz3rxzBVS0pXd7uGM6y3TliyD5WB3+I2ZKte9s=; b=CnHWeeuQvKmqGjzo6wBRhSoqqTVSVdbBs8E6p4doCOyjxz4SIdYG4wQD3AhaMzojo6 VJ3hH6LfYdpPaGnYEudQL3iGKe6LM2bwt8tfIlmGK341taT799+bLEb3dxq5tSdtO+85 qJjvze+3rzaqC/k1Rv+oacqY/BEWlS58VMqoiWzbWWtmwq1+bWDSFcSqKDSLE/0oF04j zPM4us+HafKThsF2o+4Td2YGvOUQ6FGb7M4coOJL/3jeG7cONxNLnPOW/Xic1kod+6UG lFyD4GY/T70yJFEndwfkIljZ43SCFb6+Av/KMtl1D0YDR73T5dkEhOHQcPhvOfQTq7jr 67fg== X-Gm-Message-State: AOAM5322Dc4JwrkaqVUVAbEDqbn0Twoc0nARfnK3oEiXss/jCoB1ocso j/OS1ma/ogL2AiqQNKH7eauT22duOr/b4eWuT34gdnjR X-Google-Smtp-Source: ABdhPJzttouRxWFu4elJEWvssrfQ/IOT0V1lAaq6FSZNqwN9fnCjVCmBkbnhJL/H6WF1ME7j3iHLD7hKmi6azCVJRVs= X-Received: by 2002:a5e:9e0a:: with SMTP id i10mr1804105ioq.41.1598633586735; Fri, 28 Aug 2020 09:53:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 28 Aug 2020 11:51:13 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Turbos......... To: Rotary motors in aircraft Content-Type: multipart/related; boundary="00000000000011511705adf2e337" --00000000000011511705adf2e337 Content-Type: multipart/alternative; boundary="00000000000011511705adf2e336" --00000000000011511705adf2e336 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable James, What is your airframe? Charlie Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Fri, Aug 28, 2020 at 11:40 AM James Whitehurst flyboyusvi@gmail.com < flyrotary@lancaironline.net> wrote: > ??? Above 10,000 ft? I couldn=E2=80=99t figure out how=E2=80=A6 so I just= received my Borg > Warner EFR9280 Turbos with water and oil cooled ctr aluminum housing. I > know its more complex but I figure I=E2=80=99ll have the HP to 18,000=E2= =80=99. Comments > enjoyed? James whitehurst > > > > Sent from Mail for > Windows 10 > > > > *From: *lehanover lehanover@aol.com > *Sent: *Friday, August 28, 2020 9:47 AM > *To: *Rotary motors in aircraft > *Subject: *[FlyRotary] Re: Turbos......... > > > > As you can see on this dyno sheet much power is available where most folk= s > like to run aircraft Rotaries. > > > > The ports you see in that picture are designed to operate best at 9,400 > RPM, at 250HP, however that is a 12-A engine. > > 2292 CCs vice 2900 CCs for a 13-B, so more power from a 13-B. So ports > designed for best power at say 5,500 RPM would have a shorter top (Closin= g > Point) and a smaller bridge opening. I do not let any of the side seal en= ds > to cross over the port so side seal damage is not a factor. So very nearl= y > stock service life minus the wear you would expect from spending hours of > operation at full throttle. With synthetic 2 cycle oil in the fuel and in > the sump I suspect (but do not know) about 500 to 1,000 hours. A hot > compression check or a hot > > leakdown test will tell the tail.........LEH > > > > In a message dated 8/28/2020 7:31:58 AM Eastern Standard Time, > flyrotary@lancaironline.net writes: > > > > One word....Turbo normalizing. Ok that's two words, but that's my plan. > > > > In your opinion, how reliable is a bridge port engine? At what RPM do you > see the benefits? > > Les Criscillo > > Pilot, Brewmaster, Maker > > *From:* Rotary motors in aircraft on behalf > of lehanover lehanover@aol.com > *Sent:* Thursday, August 27, 2020 9:34:07 PM > *To:* Rotary motors in aircraft > *Subject:* [FlyRotary] Turbos......... > > > > We don't need no stinking turbos.....when we can have 250HP bridge > ports...... > > > > Lynn E. Hanover > > > Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> --00000000000011511705adf2e336 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Jam= es,=C2=A0

<= /div>
What=C2=A0 is y= our airframe?
<= br>
Charlie

3D"" Virus-free. www.avast.com

On Fri, Aug 28, 2020 at 11:40 AM James Whitehurst flyboyusvi@gmail.com <flyrotary@lancaironline.net> wrote:
<= /div>
=

??? Above 10,000 ft? I couldn=E2=80=99t figure out how=E2=80=A6 so I jus= t received my Borg Warner EFR9280 Turbos with water and oil cooled ctr alum= inum housing. I know its more complex but I figure I=E2=80=99ll have the HP= to 18,000=E2=80=99.=C2=A0 =C2=A0Comments enjoyed?=C2=A0 =C2=A0James whiteh= urst

=C2=A0

Sent from Mail for Windows 10

= =C2=A0

From: lehanover lehanover@a= ol.com
Sent: Friday, August 28, 2020 9:47 AM
To: Rotary motor= s in aircraft
Subject: [FlyRotary] Re: Turbos.........

=C2=A0

As you can see on this dyno sheet much power is available where= most folks like to run aircraft Rotaries.

=C2=A0

The ports you see in that picture are designed to operate best = at 9,400 RPM, at 250HP, however that is a 12-A engine.=

2292 CCs vice 2900 CCs for a 13-B, so mo= re power from a 13-B. So ports designed for best power at say 5,500 RPM wou= ld have a shorter top (Closing Point) and a smaller bridge opening. I do no= t let any of the side seal ends to cross over the port so side seal damage = is not a factor. So very nearly stock service life minus the wear you would= expect from spending hours of operation at full throttle. With synthetic 2= cycle oil in the fuel and in the sump I suspect (but do not know) about 50= 0 to 1,000 hours. A hot compression check or a hot

=

leakdown test will tell the tail.........LEH= =C2=A0

=C2=A0=

In a message dated 8/2= 8/2020 7:31:58 AM Eastern Standard Time, flyrotary@lancaironline.net writes: <= /u>

=C2=A0

One word....Turbo normalizing. Ok that's two w= ords, but that's my plan.

= =C2=A0

In your= opinion, how reliable is a bridge port engine? At what RPM do you see the = benefits?

Les Criscillo

Pilot, Brewmaster, Maker

<= u>

From: Ro= tary motors in aircraft <flyrotary@lancaironline.net> on behalf of lehanove= r lehanover@aol.com<= /a> <fl= yrotary@lancaironline.net>
Sent: Thursday, August 27, 2020 9:34:07 PM=
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRot= ary] Turbos.........

=C2=A0

We don't need no stinking turbos.....when = we can have 250HP bridge ports......

=C2=A0

Lynn E. Hanover<= /u>

=C2=A0


3D"" Virus-free. www.avast.com
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