X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao105.cox.net ([68.230.241.41] verified) by logan.com (CommuniGate Pro SMTP 5.2.5) with ESMTP id 3045081 for flyrotary@lancaironline.net; Mon, 28 Jul 2008 02:18:00 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.41; envelope-from=alventures@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao105.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080728061720.FLHV774.fed1rmmtao105.cox.net@fed1rmimpo01.cox.net> for ; Mon, 28 Jul 2008 02:17:20 -0400 Received: from BigAl ([72.192.137.74]) by fed1rmimpo01.cox.net with bizsmtp id vJHJ1Z00B1cVYgg03JHJzz; Mon, 28 Jul 2008 02:17:20 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Safety wire Date: Sun, 27 Jul 2008 23:19:01 -0800 Message-ID: <000001c8f082$36a07800$6401a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C8F03F.287D3800" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C8F03F.287D3800 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable There is not a single piece of safety wire inside the cowl of my = airplane; and I sleep soundly at night. There are aircraft grade metal lock nuts = on things like the engine mounts, radiator brackets, throttle connection, = etc. that are ancillary to the engine itself. How many things do you see = under the hood of your car that are safety wired? Have you ever had anything = come loose that mattered? I haven't.=20 =20 Yes, in an aircraft application there is more vibration due to the prop. Anywhere there is a bolt that isn't torqued for tension will need a = means of insuring it stays in place, but I can't think of any place I have that situation where there isn't a metal lock nut on the bolt. Use care and judgment when you torque things down - everything!! In 122 hours of = flight nothing has loosened. But check things fairly frequently - it's fun to = poke around in the engine compartment and see that everything is tight and = clean. =20 Outside the cowl the prop bolts are safety wired. Everywhere else where bolts and nuts are used they are aircraft grade with metal lock nuts. =20 But don't do what I did - except 'use care and judgment when you torque things down - everything!!' If you like safety wire and you sleep = better at night - go for it. =20 Al =20 -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of ktradcliff@comcast.net Sent: Sunday, July 27, 2008 4:07 PM To: Rotary motors in aircraft Subject: [FlyRotary] Safety wire =20 Hello everyone, =20 I know that the subject of safety wire has been discussed many times = before, however searching the archives can at times be very difficult and = actually finding the answer you want is like winning the lottery (it never = happens). What I would like to know is what most are considering an absolute must = to be safety wired. What the FAA requires and what is not so important but some are doing anyway. I feel that the subject of safety can never be discussed enough. I would like everyone that has an opinion on safety = wire and what must be safety wired to weigh in on this subject. I plan to = save some if not all of your answers for future reference. Maybe we can make = a list of what must be safety wired. =20 Thanks Keith RV-7A 13-B=20 =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0001_01C8F03F.287D3800 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

There is not a single piece of safety wire inside = the cowl of my airplane; and I sleep soundly at night.  There are aircraft = grade metal lock nuts on things like the engine mounts, radiator brackets, = throttle connection, etc. that are ancillary to the engine itself.  How many = things do you see under the hood of your car that are safety wired?  Have = you ever had anything come loose that mattered? I haven’t. =

 

Yes, in an aircraft application there is more = vibration due to the prop.  Anywhere there is a bolt that isn’t torqued = for tension will need a means of insuring it stays in place, but I = can’t think of any place I have that situation where there isn’t a metal = lock nut on the bolt.  Use care and judgment when you torque things down = – everything!! In 122 hours of flight nothing has loosened.  But = check things fairly frequently – it’s fun to poke around in the = engine compartment and see that everything is tight and clean. =  

 

Outside the cowl the prop bolts are safety = wired.  Everywhere else where bolts and nuts are used they are aircraft grade with metal = lock nuts.

 

But don’t do what I did – except = ‘use care and judgment when you torque things down – = everything!!’  If you like safety wire and you sleep better at night – go for = it.

 

Al

 

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On = Behalf Of ktradcliff@comcast.net
Sent: Sunday, July 27, 2008 4:07 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Safety wire

 

Hello everyone,

 

I know that the subject of safety wire has been discussed many times before,  however searching the archives can at times be very = difficult and actually finding the answer you want is like winning the lottery (it = never happens).  What I would like to know is what most are considering = an absolute must to be safety wired.  What the FAA requires and what = is not so important but some are doing anyway.  I feel that the subject of = safety can never be discussed enough.  I would like everyone that has an = opinion on safety wire and what must be safety wired to weigh in on this = subject.  I plan to save some if not all of your answers for future = reference.  Maybe we can make a list of what must be safety wired.

 

Thanks

Keith

RV-7A

13-B

 

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