Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2.1) with ESMTP id 400529 for flyrotary@lancaironline.net; Tue, 07 Sep 2004 11:30:38 -0400 Received-SPF: none receiver=logan.com; client-ip=24.25.9.103; envelope-from=eanderson@carolina.rr.com Received: from EDWARD (cpe-069-132-183-211.carolina.rr.com [69.132.183.211]) by ms-smtp-04-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i87FTaSH005043 for ; Tue, 7 Sep 2004 11:29:37 -0400 (EDT) Message-ID: <003001c494ef$81aed5f0$2402a8c0@EDWARD> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Temperature limits on Locknuts Date: Tue, 7 Sep 2004 11:29:46 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002D_01C494CD.FA68B870" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_002D_01C494CD.FA68B870 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Certainly will, Mark Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Tuesday, September 07, 2004 11:20 AM Subject: [FlyRotary] Re: Temperature limits on Locknuts Ed,=20 I trust you will share Tracy's response with the group? =20 Thanks, Mark At 11:07 AM 9/7/2004 -0400, you wrote: Mark, I currently use the ones provided by Tracy for the Redrive. = I intend to replace them with the metal type, but need to order that = size. Also, I want to check with Tracy and make certain there is no = reason (that I have not considered ) against using them. =20 Again, I admit that its probably overkill and unnecessary. On = the other hand, I see no reason not to use metal locknuts as appears to = be a common practice for FWF. =20 Ed =20 Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC=20 ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Tuesday, September 07, 2004 10:46 AM=20 Subject: [FlyRotary] Re: Temperature limits on Locknuts Ed,=20 I recently became aware of the practice of using only metal = locknuts on everything fwf. So, I ordered a couple dozen of each size = and replaced everything fwf on my installation except for the ones used = on the psru bolts. Did you change those to metal or use the nylon = supplied with the redrive? =20 Mark S. Mark S. At 10:43 PM 9/5/2004 -0400, you wrote: Attached is what I found with a quick search for locknuts with = plastic/nylon inserts. The max temperature range is listed as 250F. = The metal ones go up to 1000F. So perhaps metal is overkill - but 250F = does not provide me with a comfort margin I would like under the cowl.=20 =20 I agree that the prop bolt nuts should never see 250F, but, the = question is what effect elevated temperatures short of 250F do to the = life of the material. =20 =20 So it would appear that what ever makes you feel comfortable = would be the way to go. Me, for the prop and most things forward of the = firewall, I'll continue to use the Metal Lock nuts. =20 =20 Ed=20 =20 =20 Ed Anderson=20 RV-6A N494BW Rotary Powered=20 Matthews, NC=20 =20 >> Homepage: http://www.flyrotary.com/=20 >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_002D_01C494CD.FA68B870 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Certainly will, Mark
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From:=20 Mark=20 Steitle
Sent: Tuesday, September 07, = 2004 11:20=20 AM
Subject: [FlyRotary] Re: = Temperature=20 limits on Locknuts

Ed,
I trust you will share Tracy's = response=20 with the group? 

Thanks,
Mark

At 11:07 AM = 9/7/2004=20 -0400, you wrote:
Mark, I=20 currently use  the ones provided by Tracy for the = Redrive.  I=20 intend to replace them with the metal type, but need to order that=20 size.  Also, I want to check with Tracy and make certain there = is no=20 reason (that I have not considered ) against using them.
 
  = Again, I admit=20 that its  probably overkill and unnecessary.   On the = other=20 hand, I see no reason not to use metal locknuts as appears to be a = common=20 practice for FWF.
 
Ed
   
Ed = Anderson
RV-6A=20 N494BW Rotary Powered
Matthews, NC=20
----- Original Message -----=20
From: Mark = Steitle=20
To: Rotary = motors in=20 aircraft=20
Sent: Tuesday, September 07, 2004 10:46 AM=20
Subject: [FlyRotary] Re: Temperature limits on = Locknuts

Ed,=20
I recently became aware of the practice of using only metal = locknuts=20 on everything fwf.  So, I ordered a couple dozen of each size = and=20 replaced everything fwf on my installation except for the ones = used on the=20 psru bolts.  Did you change those to metal or use the nylon = supplied=20 with the redrive? 

Mark S.



Mark S.    At 10:43 PM 9/5/2004 -0400, you = wrote:
Attached is what I found with a quick search for locknuts = with=20 plastic/nylon inserts.  The max temperature range is listed = as=20 250F.  The metal ones go up to 1000F.  So perhaps = metal is=20 overkill - but 250F does not provide me with a comfort margin I = would=20 like under the cowl.=20
=20
I agree that the prop bolt nuts should never see 250F, but, = the=20 question is what effect elevated temperatures short of 250F do = to the=20 life of the material. 
=20
So it would appear that what ever makes you feel comfortable = would=20 be the way to go.  Me, for the prop and most things forward = of the=20 firewall, I'll continue to use the Metal Lock nuts.  =
=20
Ed=20
=20
=20
Ed Anderson=20
RV-6A N494BW Rotary Powered=20
Matthews, NC=20
=20


 
>>  Homepage:  http://www.flyrotary.com/=20
>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html=
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