X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 5.0c5) with ESMTP id 775389 for flyrotary@lancaironline.net; Thu, 20 Oct 2005 21:51:42 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from ibm56aec.bellsouth.net ([65.6.194.9]) by imf16aec.mail.bellsouth.net with ESMTP id <20051021015058.XZTO10866.imf16aec.mail.bellsouth.net@ibm56aec.bellsouth.net> for ; Thu, 20 Oct 2005 21:50:58 -0400 Received: from rd ([65.6.194.9]) by ibm56aec.bellsouth.net with ESMTP id <20051021015057.DHPP24528.ibm56aec.bellsouth.net@rd> for ; Thu, 20 Oct 2005 21:50:57 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Aeroquip AQP Socketless racing hose question Date: Thu, 20 Oct 2005 20:50:57 -0500 Message-ID: <000001c5d5e1$e14f84d0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C5D5B7.F8797CD0" 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 V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C5D5B7.F8797CD0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The blue stuff is made by several manufactures. Parker under the Trade = name "PUSH-LOK", part #836. This is the stuff I use extensively at work. = Goodyear also makes it under the name "Insta-Grip". We had one batch of this at = work, and while I've not had any problems with any of it, it also didn't = "feel" as hi quality so they've gone back to ordering the Parker stuff.=20 =20 I just bought about $250 worth of the Aeroquip brand "FC332" hose. It's pretty nice looking hose! I also saw the "Insta-Grip", and agree that = it looked inferior. =20 =20 This hose should not be used with metal hose clamps as when = tightened the clamp can cut into the fibre that tightens onto the fitting with pressure. I don't know anything about the heat shrink clamps, but they = may be a good solution to satisfy the inspector. =20 =20 I asked about the heat shrink clamps, and was told in no uncertain terms = NOT to use ANY type clamp. As other have mentioned, the hose works on the Chinese handcuff principal. Putting a clamp, particularly toward the = end of the fitting actually prevents the hose from working as designed. The operating pressure on the FC332 hose is 250 psi, with the burst pressure listed at 1000 psi. The shop said they blew one as a test, and it blew = at 1200 psi. The hose itself blew in the middle, and the fitting remained sealed. =20 =20 As for the inspector, I'll have some documentation handy that shows the intended usage of the hose. No inspector is going to insist that you go against Aeroquip's own recommendation for usage of their product. Let's face it Aeroquip knows their product better than the inspector does :-) =20 BTW, when was the last time you flew your plane Todd? Even without a = flying plane, I think I'm holding my own with you in flight hours :-) =20 =20 Cheers, Rusty (warp speed activity on the single rotor Kolb)=20 ------=_NextPart_000_0001_01C5D5B7.F8797CD0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
 The blue stuff is made by several=20 manufactures. Parker under the Trade name "PUSH-LOK", part #836. = This is=20 the stuff I use extensively at work. Goodyear also makes it under the = name=20 "Insta-Grip". We had one batch of this at work, and while I've not had = any=20 problems with any of it, it also didn't "feel" as hi quality so they've = gone=20 back to ordering the Parker stuff. 
 
I just bought about $250 worth of the Aeroquip = brand=20 "FC332" hose.  It's pretty nice looking hose!  I also saw = the=20 "Insta-Grip", and agree that it looked inferior.=20  
 
     This hose should not be = used with=20 metal hose clamps as when tightened the clamp can cut into the fibre = that=20 tightens onto the fitting with pressure. I don't know anything about the = heat=20 shrink clamps, but they may be a good solution to satisfy the=20 inspector.  
 
I asked about the heat shrink clamps, and = was told in=20 no uncertain terms NOT to use ANY type clamp.  As other have = mentioned, the=20 hose works on the Chinese handcuff principal.  Putting a = clamp,=20 particularly toward the end of the fitting actually prevents the = hose from=20 working as designed.  The operating pressure on the FC332 hose is = 250 psi,=20 with the burst pressure listed at 1000 psi.  The shop said they = blew one as=20 a test, and it blew at 1200 psi.  The hose itself blew in the = middle,=20 and the fitting remained sealed.  
 
As for the inspector, I'll have some = documentation=20 handy that shows the intended usage of the hose.  No inspector = is=20 going to insist that you go against Aeroquip's own recommendation = for=20 usage of their product.  Let's face it Aeroquip knows = their=20 product better than the inspector does = :-)
 
BTW, when was the last time you flew your = plane=20 Todd?  Even without a flying plane, I think I'm holding my own=20 with you in flight hours = :-)  
 
Cheers,
Rusty (warp speed activity on the single = rotor=20 Kolb) 
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