X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm6-vm0.bullet.mail.bf1.yahoo.com ([98.139.213.146] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with SMTP id 5081613 for flyrotary@lancaironline.net; Thu, 04 Aug 2011 08:15:32 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.213.146; envelope-from=plumberben@yahoo.com Received: from [98.139.212.151] by nm6.bullet.mail.bf1.yahoo.com with NNFMP; 04 Aug 2011 12:14:56 -0000 Received: from [98.139.212.206] by tm8.bullet.mail.bf1.yahoo.com with NNFMP; 04 Aug 2011 12:14:56 -0000 Received: from [127.0.0.1] by omp1015.mail.bf1.yahoo.com with NNFMP; 04 Aug 2011 12:14:56 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 43747.75090.bm@omp1015.mail.bf1.yahoo.com Received: (qmail 43924 invoked by uid 60001); 4 Aug 2011 12:14:55 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1312460095; bh=B+HTRYnx1Kb7tsQc1ksAI1kre8TYLYQrRK32NFPTVMU=; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=ssFRrJfnFb+Be1EAf8wed5KS5HNpuBpp5AaZLQbNd7u3wwfEOmiIlNn8sxcsjzvPDHOPqvjuG16Mc/h/g9s/1aU5t1p7GCQWto+LX53kAuqB6TcOi7kvYEDD30YiB669/uJLfllb0lm8eyaEOuWcseAv5IeVdfYoNflqluV5ELM= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=cOZYTYBcTiDQFleNT+nGK4IxYvu7aylBceB/c3S4DHR46KYiDWk/uaOZmnCB2r1eBgbYIjX1UXPqk18E5kMMFYHuHXBJySw43409fT6ihiBzP7Oim6zZlQ7q4br2pErReHEEsHZGw9Ga3KyCeEwMi0pUVW+/RRigp3ucgeaEa+w=; X-YMail-OSG: TFdeLpQVM1lyIHQ9gEelqTwS8hlW4F8oViSrnV5gbeKZ4ao 1zlAG9lfGWX2akNgWN6QC089zPq5oHjepcJ.6.fHfJBpfAK8lsQPjV1gUJjZ 5ysSur0U4T4sdChouMdayrSOqkoWZLdvB.9GSIs3FiPAkujWwH4RN1VxISCg uhoLnH84aMEzfkV202z4z7UdX67EItS8S9GxOVdOiZch3kj8Q96EWA5Wv9g1 BA1w9LhtrWOwTotJYQoEgVK.is5uCX7wVHsTwja2_9vpQgK3HyGJfxGAWJ.C Jv8RUkDP1PtZdVKq0D8XfFsUstOZ7JBSLHx0HijrpxJBEnPk7fsGwXoM_g73 kEYeeEqc2Ugl39.jbF4UwmuKGwDn_9d4Kyh5k0zrJirVM4J5hMV0BGhDz62X iNvQ1xwdxSkIFjyhgIvOHcI8m8W37IV.y_dvnwGAfl8SOvYcvBZo0.gAqA1N oivbL2TjxalkcoFDp3yEuRgOB1lJoLp.QvK.aQmsmpQDz1BcQT0zYWCnx5rd tQe.2A3JwJtJTAQ-- Received: from [198.229.211.1] by web162015.mail.bf1.yahoo.com via HTTP; Thu, 04 Aug 2011 05:14:55 PDT X-Mailer: YahooMailClassic/14.0.3 YahooMailWebService/0.8.113.313619 Message-ID: <1312460095.10822.YahooMailClassic@web162015.mail.bf1.yahoo.com> Date: Thu, 4 Aug 2011 05:14:55 -0700 (PDT) From: Ben Schneider Subject: Re: [FlyRotary] Water pump pulley departed in-flight To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-428293856-1312460095=:10822" --0-428293856-1312460095=:10822 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Glad to hear it turned out well Jeff. Was there any other damage inside the= cowl from the pulley projectile? =C2=A0Do you have a Mazda manual for that= engine, and does it list a torque spec for those bolts? Looks as though th= e holes are elongated fairly severely, wonder how long it had been loose. H= ow many hours were on the engine since you last had a wrench on the pulley = bolts? Keep the group posted. Ben --- On Thu, 8/4/11, Jeff Whaley wrote: From: Jeff Whaley Subject: [FlyRotary] Water pump pulley departed in-flight To: "Rotary motors in aircraft" Date: Thursday, August 4, 2011, 6:59 AM =0A=0A =0A =0A=0A=0A =0A=0AMy water pump pulley departed the flange in-flig= ht last night =E2=80=A6 fortunately=0A I was right overhead on cross wind = =E2=80=A6 heard a fwaap and a buzz thought something went through the exhau= st or had lost an accessory belt;=0A scanned the gauges, water temp and pre= ssure were building fast, I cut the throttle and headed for 06 =E2=80=A6=0A= checked the voltmeter which showed +14V so was pretty sure at least one bel= t was driving the alternator =E2=80=A6=0Amade my best landing in a long tim= e then taxied back to the hangar. Probably should have shutdown the engine = right away but didn=E2=80=99t and it boiled over in front of the hangar.=C2= =A0=0A Of course my brother was there to see this bird fly for the first ti= me; not exactly the demonstration I wanted.=C2=A0 Popped the top cowling an= d found the water pump pulley departed but still inside the cowling.=0A The= outer belt was turned completely inside-out, which is probably what made t= he buzz. =0A =C2=A0 =0AThere are only four small bolts holding that thing i= n place =E2=80=A6 noticed in Haynes pictures this morning that some have fo= ur studs and four bolts =E2=80=A6 guess the studs=0A are for adding a secon= d pulley? =E2=80=93 but they would also add extra drive surface area.=0A=C2= =A0I think I put those bolts on with standard loctite but am not 100% certa= in.=C2=A0 Anyway now I=E2=80=99m wondering if my restrictor plate, loading = the pump, may have contributed to more=0A vibration or is this just coincid= ence =E2=80=A6=0A =0AJeff =0A =C2=A0 =0A=0A =0AThis message, and the documents attached hereto, is intended only for th= e addressee and may contain privileged or confidential information. Any una= uthorized disclosure is strictly prohibited. If you have received this=0A m= essage in error, please notify us immediately so that we may correct our in= ternal records. Please then delete the original message. Thank you. =0A=0A =0A=0A -----Inline Attachment Follows----- -- Homepage:=C2=A0 http://www.flyrotary.com/ Archive and UnSub:=C2=A0=C2=A0=C2=A0http://mail.lancaironline.net:81/lists/= flyrotary/List.html --0-428293856-1312460095=:10822 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Glad to hear it turned out well Jeff. Was the= re any other damage inside the cowl from the pulley projectile?  Do yo= u have a Mazda manual for that engine, and does it list a torque spec for t= hose bolts? Looks as though the holes are elongated fairly severely, wonder= how long it had been loose. How many hours were on the engine since you la= st had a wrench on the pulley bolts?

Keep the group post= ed.

Ben

--- On Thu, 8/4/11, Jeff Whaley = <jwhaley@datacast.com> wrote:
=
From: Jeff Whaley <jwhaley@datacast.com>
Subject: [FlyRotary] = Water pump pulley departed in-flight
To: "Rotary motors in aircraft" <= ;flyrotary@lancaironline.net>
Date: Thursday, August 4, 2011, 6:59 AM

=0A=0A =0A =0A=0A=0A =0A
=0A

My w= ater pump pulley departed the flange in-flight last night =E2=80=A6 fortuna= tely=0A I was right overhead on cross wind =E2=80=A6 heard a fwaap and a bu= zz thought something went through the exhaust or had lost an accessory belt;=0A scanned the gauges, water temp an= d pressure were building fast, I cut the throttle and headed for 06 =E2=80= =A6=0Achecked the vo= ltmeter which showed +14V so was pretty sure at least one belt was driving = the alternator =E2=80=A6=0Amade my best landing in a long time then taxied back to the hangar. = Probably should have shutdown the engine right away but didn=E2=80=99t and = it boiled over in front of the hangar. =0A Of course my brother was th= ere to see this bird fly for the first time; not exactly the demonstration = I wanted.  Popped the top cowling and found the water pump pulley depa= rted but still inside the cowling.=0A The outer belt was turned completely inside-out, which is= probably what made the buzz.

=0A

 

=0A

There are onl= y four small bolts holding that thing in place =E2=80=A6 noticed in Haynes = pictures this morning that some have four studs and four bolts =E2=80=A6 gu= ess the studs=0A are for adding a second pulley? =E2=80=93 but they would also add extra drive = surface area.=0A&nbs= p;I think I put those bolts on with standard loctite but am not 100% certai= n.  Anyway now I=E2=80=99m wondering if my restrictor plate, loading t= he pump, may have contributed to more=0A vibration or is this just coincide= nce =E2=80=A6=0A

=0A

= Jeff

=0A

 

=0A
=0A
=0ATh= is message, and the documents attached hereto, is intended only for the add= ressee and may contain privileged or confidential information. Any unauthor= ized disclosure is strictly prohibited. If you have received this=0A messag= e in error, please notify us immediately so that we may correct our interna= l records. Please then delete the original message. Thank you.
=0A=0A =0A=0A

-----Inline Attachment Follows-----

--
Homepage:  http://www.flyrotary.com/
Archive and UnSub: =   http://mail.lancaironline.net:81/lists/flyrotary/= List.html
--0-428293856-1312460095=:10822--