X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA08.emeryville.ca.mail.comcast.net ([76.96.30.80] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2793563 for flyrotary@lancaironline.net; Sat, 15 Mar 2008 22:00:11 -0400 Received-SPF: none receiver=logan.com; client-ip=76.96.30.80; envelope-from=gregw@onestopdesign.biz Received: from OMTA05.emeryville.ca.mail.comcast.net ([76.96.30.43]) by QMTA08.emeryville.ca.mail.comcast.net with comcast id 1bVt1Z01J0vp7WLA806700; Sun, 16 Mar 2008 01:58:39 +0000 Received: from gregoryii ([24.6.40.29]) by OMTA05.emeryville.ca.mail.comcast.net with comcast id 1dzN1Z00J0dkeQQ8R00100; Sun, 16 Mar 2008 01:59:23 +0000 X-Authority-Analysis: v=1.0 c=1 a=vuROUH5DaosA:10 a=DOddStjN_mniwuaqC1gA:9 a=xLZn6L3SJJLLs6jCW9UA:7 a=ZgIHZy1AWvOoFsgjL-xTVrLufYQA:4 a=U8Ie8EnqySEA:10 a=gi0PWCVxevcA:10 a=3oc9M9_CAAAA:8 a=JTug147gYV-TZwvI8EAA:9 a=69BF-vDY5QydeSL8vHIA:7 a=yp0kvPH8ZgvyUXJBwyE_eF595VMA:4 a=EzXvWhQp4_cA:10 a=AfD3MYMu9mQA:10 Message-ID: <067401c88709$d532a2a0$8801a8c0@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Various Possible solutions to coolant in housing Date: Sat, 15 Mar 2008 18:56:57 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_064E_01C886CE.58024D70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_064E_01C886CE.58024D70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I always knew the Navy had it good. If you blew a gasket or O-ring in = the AF, you made it on the spot. I still remember sitting in Crete in a = C-54, making a oil cooler gasket with a roll of cork, a razor blade, a = ball-peen hammer, and a lot of swearing......"Off we goooo...." Greg Ward Lancair 20B in Progress ----- Original Message -----=20 From: Lehanover@aol.com=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 15, 2008 4:56 PM Subject: [FlyRotary] Re: Various Possible solutions to coolant in = housing In the olden days, the Navy had an NSN (National Stock Number) for an = "O" ring kit. It came in a wonderful maple box with chrome trim and = finger spliced corners. It contained a vulcanizing iron with grooves for = a number of ring diameters. The Nitral material came on rolls with = another NSN for each size. The test for an "O" ring was to pull on it = until it failed. So to determine if the liquid goop that joined the ring = ends was still young enough to use, you would make a test ring. Put on = the goop, clamp it in the iron and cook it. Then let it cool and pull it = apart. It should fail at a location other than the joint. If that was = the case, you built your new ring in the correct diameter and completed = repairs.=20 That kit was superseded by a kit that had just the rolls of material = and a tube of super glue. The same rule applied as far as a test piece = was concerned. The new kit was in a sturdy cardboard box. We thought = that consumption would die off on the older kit in the wood box, but it = didn't, it went up. The original kit cost us $2,000.00 each. The new kit = cost about $200.00. So the savings we should have seen did not = materialize. So I called some of the users to see why they wanted both kits and = kept ordering the old one. Like the punch line to a joke.......We like = the box. They kept the rolls of material and the wooden box. discarded = the iron. and put the new kit in the old box. They had a place for that = box on submarines, and the cardboard box was a hair too big to fit the = space. Other folks liked the box and used it for other kits, to get out = of having anything cardboard in the flyaway kits or whatever they were = doing. So people ordered a $2,000.00 "O" ring kit to get the box, and = some of them just pitched the kit. So, we established an NSN for the = box. We killed the NSN for the old kit and sent the new kit, in the same = box as the old kit. We placed an automated message for anyone who = ordered the kit, to suggest that if it was just the box they wanted, = then order this NSN for just the box. Then we saw the savings we were = after. "O" rings are at once simple and complex. Things are seldom as they appear. Sitting on high in Crystal Palace speculating as to the reasons for = this and that, is of no value.=20 It is the horses mouth that tells the tail... Lynn E. Hanover =20 In a message dated 3/15/2008 5:47:35 P.M. Eastern Daylight Time, = lendich@optusnet.com.au writes: Lynn, If it wasn't for Kelly, with my encouragement, as I was trying to = establish the correct sizes from Australia at the time, the correct = sizes would never have been identified as, 'you know who' was preaching = his usual, 'he who is always right sermon' about the sizes. As far as I = know those sizes ( the wrong ones) are still being bandied about even = though I supplied the correct sizes to him, for the benefit of other = builders. -------------------------------------------------------------------------= ----- It's Tax Time! Get tips, forms and advice on AOL Money & Finance. ------=_NextPart_000_064E_01C886CE.58024D70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I always knew the Navy had it good.  If you = blew a gasket=20 or O-ring in the AF, you made it on the spot.  I still remember = sitting in=20 Crete in a C-54, making a oil cooler gasket with a roll of cork, a razor = blade,=20 a ball-peen hammer, and a lot of swearing......"Off we = goooo...."
 
Greg Ward
Lancair 20B in Progress
----- Original Message -----
From:=20 Lehanover@aol.com
Sent: Saturday, March 15, 2008 = 4:56=20 PM
Subject: [FlyRotary] Re: = Various Possible=20 solutions to coolant in housing

In the olden days, the Navy had an NSN (National Stock Number) = for an "O"=20 ring kit. It came in a wonderful maple box with chrome trim and = finger=20 spliced corners. It contained a vulcanizing iron with grooves for a = number of=20 ring diameters. The Nitral material came on rolls with another NSN for = each=20 size. The test for an "O" ring was to pull on it until it failed. So = to=20 determine if the liquid goop that joined the ring ends was still = young=20 enough to use, you would make a test ring. Put on the goop, clamp it = in the=20 iron and cook it. Then let it cool and pull it apart. It should fail = at a=20 location other than the joint. If that was the case, you built your = new ring=20 in the correct diameter and completed repairs.
 
That kit was superseded by a kit that had just the rolls of = material and=20 a tube of super glue. The same rule applied as far as a test piece was = concerned. The new kit was in a sturdy cardboard box. We thought that=20 consumption would die off on the older kit in the wood box, but it = didn't, it=20 went up. The original kit cost us $2,000.00 each. The new kit cost = about=20 $200.00. So the savings we should have seen did not materialize.
 
So I called some of the users to see why they wanted both kits = and kept=20 ordering the old one. Like the punch line to a joke.......We like the = box.=20 They kept the rolls of material and the wooden box. discarded the = iron. and=20 put the new kit in the old box. They had a place for that box on = submarines,=20 and the cardboard box was a hair too big to fit the space. Other folks = liked=20 the box and used it for other kits, to get out of having anything = cardboard in=20 the flyaway kits or whatever they were doing. So people ordered a = $2,000.00=20 "O" ring kit to get the box, and some of them just pitched the kit. = So, we=20 established an NSN for the box. We killed the NSN for the old kit and = sent the=20 new kit, in the same box as the old kit. We placed an automated = message for=20 anyone who ordered the kit, to suggest that if it was just the box = they=20 wanted, then order this NSN for just the box.  Then we saw the = savings we=20 were after. "O" rings are at once simple and complex.
 
Things are seldom as they appear.
Sitting on high in Crystal Palace speculating as to the reasons = for this=20 and that, is of no value.
It is the horses mouth that tells the tail...
 
Lynn E. Hanover   
 
 
In a message dated 3/15/2008 5:47:35 P.M. Eastern Daylight Time,=20 lendich@optusnet.com.au writes:
Lynn,
If it wasn't for Kelly, with my = encouragement,=20 as I was trying to establish the correct sizes from Australia at the = time,=20 the correct sizes would never have been identified as, 'you know = who' was=20 preaching his usual, 'he who is always right sermon' about the = sizes. As far=20 as I know those sizes ( the wrong ones) are still being bandied = about even=20 though I supplied the correct sizes to him, for the benefit of other = builders.
 



It's Tax Time! Get=20 tips, forms and advice on AOL Money &=20 Finance.
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