X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 870454 for flyrotary@lancaironline.net; Sat, 10 Dec 2005 01:18:33 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.70; envelope-from=13brv3@bellsouth.net Received: from ibm67aec.bellsouth.net ([65.6.194.9]) by imf22aec.mail.bellsouth.net with ESMTP id <20051210002443.OEBQ7752.imf22aec.mail.bellsouth.net@ibm67aec.bellsouth.net> for ; Fri, 9 Dec 2005 19:24:43 -0500 Received: from rd ([65.6.194.9]) by ibm67aec.bellsouth.net with ESMTP id <20051210002443.LZBD7041.ibm67aec.bellsouth.net@rd> for ; Fri, 9 Dec 2005 19:24:43 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Brake Fluid Info Date: Fri, 9 Dec 2005 18:24:44 -0600 Message-ID: <000001c5fd20$1e9b6b50$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C5FCED.D400FB50" 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_01C5FCED.D400FB50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable In chaper "S. Lubricants" on page 27, in the section for hydraulics it calls out "MIL-H-5606/MIL-H-83282 Or equivalent (Red Oils)". Right after that is: NOTE: Dot 5.1 brake fluid is NOT compatible with MATCO mfg brakes, and will damage the Buna-N o-rings used in the system. =20 I think they forgot to mention that it was OK to use DOT 5, after all, = why make the point of mentioning that DOT 5.1 is bad? The following = description is from the Matco web page, regarding one of their common master = cylinders: =20 MATCO mfg's MCMC-4 master cylinder uses a REMOTE reservoir. The MCMC-4 = can be used in individual or dual brake applications. Buna-n orings are = used in this assembly. Mil-H-5606 aircraft hydraulic fluid or compatible fluids = are reccomended. DOT5 may be used but not DOT5.1 which contains glycol. = DOT3 and DOT4 may not be used and will cause immediate damage to the seals.=20 =20 FWIW, I just put DOT 5 in the Kolb brakes, with Matco master cylinders. I'll also use it in the RV-8, assuming it works OK in the Kolb. =20 =20 Cheers, Rusty (up over) ------=_NextPart_000_0001_01C5FCED.D400FB50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

In chaper "S. Lubricants" on page 27, in the section = for=20 hydraulics it
calls out "MIL-H-5606/MIL-H-83282 Or equivalent (Red=20 Oils)".  Right
after that is:

NOTE: Dot 5.1 brake fluid = is NOT=20 compatible with MATCO mfg brakes, and
will damage the Buna-N o-rings = used in=20 the system.

 
I think = they forgot to=20 mention that it was OK to use DOT 5, after all, why make the point of = mentioning=20 that DOT 5.1 is bad?  The following description is from the Matco = web page,=20 regarding one of their common master cylinders:
 
MATCO mfg's MCMC-4 = master cylinder=20 uses a REMOTE reservoir. The MCMC-4 can be used in individual or dual = brake=20 applications.  Buna-n orings are used in this assembly.  = Mil-H-5606=20 aircraft hydraulic fluid or compatible fluids are = reccomended.  DOT5=20 may be used but not DOT5.1 which contains glycol.  DOT3 and DOT4 = may not be=20 used and will cause immediate damage to the seals.
 
FWIW, I = just put DOT 5=20 in the Kolb brakes, with Matco master cylinders.  I'll also use it = in the=20 RV-8, assuming it works OK in the Kolb. 
 
Cheers,
Rusty = (up=20 over)
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