X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf18aec.mail.bellsouth.net ([205.152.59.66] verified) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1020890 for flyrotary@lancaironline.net; Fri, 24 Jun 2005 18:42:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.66; envelope-from=13brv3@bellsouth.net Received: from ibm59aec.bellsouth.net ([65.6.194.9]) by imf18aec.mail.bellsouth.net with ESMTP id <20050624224123.DMAI2372.imf18aec.mail.bellsouth.net@ibm59aec.bellsouth.net> for ; Fri, 24 Jun 2005 18:41:23 -0400 Received: from rd ([65.6.194.9]) by ibm59aec.bellsouth.net with ESMTP id <20050624224122.NQNH5167.ibm59aec.bellsouth.net@rd> for ; Fri, 24 Jun 2005 18:41:22 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Brake Line Incident Photos Date: Fri, 24 Jun 2005 17:40:17 -0500 Message-ID: <001101c5790d$d86f8490$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C578E3.EF997C90" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C578E3.EF997C90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Re "stainless steel braided line", Ed: The stuff inside the "stainless steel braid" ain't "steel" - it's rubber and/or teflon tubing - stuff = that will melt from heat soaking from hot calipers back into hose. Well, I hope you're wrong about the melting part David. The Earl's hose = I'm using is good for 300F. =20 =20 I've seen planes with plastic line throughout. In fact, the Kolb in the garage has plastic now, but it won't when I get done with it. I've got = no problem with using plastic for the reservoir, just not the pressure = lines.=20 =20 On the RV-8, I used the aluminum tubing that Van's sent, and never had a = bit of trouble with it. On the RV-3, I used aluminum, and had 2 or 3 = different occurrences of cracks near the fitting on the brake caliper. The gear = on the -3 has some shimmy problems, so I figured it was just getting shaken = too much. With that in mind, I thought perhaps I had too much loop, but reducing it didn't help either. Stainless braided hose did though :-) =20 Cheers, Rusty (no dyno purchase today) ------=_NextPart_000_0012_01C578E3.EF997C90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Re "stainless steel braided line", Ed:  The stuff = inside=20 the "stainless steel braid" ain't "steel" - it's rubber and/or teflon = tubing -=20 stuff that will melt from heat soaking from hot calipers back into=20 hose.

Well, I = hope you're=20 wrong about the melting part David.  The Earl's hose I'm using is = good for=20 300F. 
 
I've = seen planes with=20 plastic line throughout.  In fact, the Kolb in the garage has = plastic now,=20 but it won't when I get done with it.  I've got no problem with = using=20 plastic for the reservoir, just not the pressure lines. =
 
On the = RV-8, I used the=20 aluminum tubing that Van's sent, and never had a bit of trouble with = it. =20 On the RV-3, I used aluminum, and had 2 or 3 different occurrences of = cracks=20 near the fitting on the brake caliper.  The gear on the -3 has some = shimmy=20 problems, so I figured it was just getting shaken too much.  With = that in=20 mind, I thought perhaps I had too much loop, but reducing it didn't help = either.  Stainless braided hose did though :-)
 
Cheers,
Rusty = (no dyno purchase=20 today)




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