X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-da0-f52.google.com ([209.85.210.52] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTPS id 5796413 for flyrotary@lancaironline.net; Sat, 06 Oct 2012 12:16:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.210.52; envelope-from=wdleonard@gmail.com Received: by mail-da0-f52.google.com with SMTP id f10so711680dak.25 for ; Sat, 06 Oct 2012 09:15:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=ww+rjnhbwg11rjN02WyfOOt6y4ib+x/ACjUDABSHmNU=; b=Xw7/nC1hqIksRkmCdSnrrAEPvKnAdUvw8v3gpFn7PTEb7A8yaSjkCKi0ALywjiidc6 9EIIv1yYceq8rZMXUET/5gTLfoeJ5plU6ac+IOIhm4DQqbrGm0d+jpqzr/MdtqK02S5+ gNFRnr0QjF9YbNUKwe3WchbEX6p3TEB/S7byXBehmpWU4n9bhCst/lezptiGthFQbFEq 2lR16xvFv3BCeMlRyAQnonj2gCSi2m+yA4RKi+8Be0ZyiuBIY4WaIZ5igXv0/T0vMTRv yTjP8wZIgeAQ20qcqT2VV0s/vIv2Zzvkp3X1FG8dNKrEc7PgDROgLDsDBqey+gPON0yg VNWA== MIME-Version: 1.0 Received: by 10.66.87.66 with SMTP id v2mr30031859paz.71.1349540155581; Sat, 06 Oct 2012 09:15:55 -0700 (PDT) Received: by 10.68.46.74 with HTTP; Sat, 6 Oct 2012 09:15:55 -0700 (PDT) In-Reply-To: References: Date: Sat, 6 Oct 2012 09:15:55 -0700 Message-ID: Subject: Re: [FlyRotary] Re: Rotary Get-Together reminder From: David Leonard To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=f46d042de2739563cf04cb664dcc --f46d042de2739563cf04cb664dcc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Steve, YOU ARE MY HERO! Rarely outside the realm of paid research taking years have we come across such a complete, thoughtful, yet succinct expos= =E8 on any subject. I have been using the BUR bla bla -9 plugs (stock trailing plugs) on both the leading and trailing applications for a while now with minimal effect if any (they are the coldest stock plugs sold by Mazdatrix). Makes sense now that I read the Boese law of SAG. I think it is time to try out some of these even colder plugs sold by Racingbeat and see if I can get a more than 25 hrs or so. Actually, if I just use them in the trailing slot, and the -9 stock plugs in the leading slot, it should be just as effective. The idea being not that I need them cooler when new, but there should be more allowance for core degradation before SAG begins. Also, running cooler they may not degrade as quickly. http://www.racingbeat.com/RX7-1986-1992/Ignition/11547.html They are not cheap! could go through 4 regular plugs for the price of one of these... and they need a special thin-walled socket to install them and RB is charging $81 for those. Will look around for better prices. --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net On Fri, Oct 5, 2012 at 3:26 PM, Steven W. Boese wrote: > The content of the SAG presentation last weekend at Pocahontis has been > added to the website: > > > > www.rotarycopilot.com > > > > as a page labeled "SAG part 2". > > > > The conclusion of the study is that if SAG develops on both rotors of a 1= 3B, > power to all the ignition coils could shut off and the engine would > continue to run. This is yet to be tested in flight, however. > > > > The only photos of the event I took are not posted since they were of the > chorus line of wives. Sorry, you had to be there. > > > > Steve Boese > RV6A, 1986 13B NA, RD1A, EC2 > > > > --f46d042de2739563cf04cb664dcc Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Steve, YOU ARE MY HERO!=A0 Rarely outside the realm of paid research taking= years have we come across such a complete, thoughtful, yet succinct expos= =E8 on any subject.

I have been using the BUR bla bla -9 plugs (sto= ck trailing plugs) on both the leading and trailing applications for a whil= e now with minimal effect if any (they are the coldest stock plugs sold by = Mazdatrix).=A0 Makes sense now that I read the Boese law of SAG.=A0 I think= it is time to try out some of these even colder plugs sold by Racingbeat a= nd see if I can get a more than 25 hrs or so.=A0 Actually, if I just use th= em in the trailing slot, and the -9 stock plugs in the leading slot, it sho= uld be just as effective.=A0 The idea being not that I need them cooler whe= n new, but there should be more allowance for core degradation before SAG b= egins.=A0 Also, running cooler they may not degrade as quickly.

http://www.racingbeat.com/RX7-1986-1992/Ignition/11547.html

The= y are not cheap! could go through 4 regular plugs for the price of one of t= hese... and they need a special thin-walled socket to install them and RB i= s charging $81 for those.=A0 Will look around for better prices.

--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net

On Fri, Oct 5, 2012 at 3:26 PM, Steven W. Boese <SBoese@uwyo.edu> wrote:

The content of the SAG presentation last weekend at=A0Pocahontis = has been added to the website:

=A0

www.rotarycop= ilot.com

=A0

as a page labeled "SAG part 2".

=A0

The conclusion of the study is that if SAG develops on both rotors of a = 13B, power to all the ignition coils could shut off and the engine w= ould continue to run.=A0 This is yet to be tested in flight, however.

=A0

The only photos of the event I took=A0are not posted since=A0they were= =A0of the chorus line of wives.=A0 Sorry, you had to be there.

=A0

Steve Boese

RV6A, 1986= =A013B NA, RD1A, EC2


=A0




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