Mailing List flyrotary@lancaironline.net Message #40960
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Re: non flamable brake fluid-compatable
Date: Fri, 4 Jan 2008 09:30:29 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Bob, on the RV list, there have been assertions that Automatic Transmission Fluid is a suitable substitute for brake hydraulic fluid - for what that's worth.
 
Ed
----- Original Message -----
Sent: Friday, January 04, 2008 8:58 AM
Subject: [FlyRotary] Re: non flamable brake fluid-compatable

I havent finished my brakes as of yet, but this conversation made me wonder what was recommended for my plane. to my suprise, Supermarine recommends ATF!
 
Bob Mears
Supermarind Spitfire


-----Original Message-----
From: Ed Anderson <eanderson@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, 4 Jan 2008 7:37 am
Subject: [FlyRotary] Re: non flamable brake fluid-compatable

 
----- Original Message -----
Sent: Friday, January 04, 2008 3:36 AM
Subject: [FlyRotary] Re: non flamable brake fluid-compatable

In a message dated 1/3/2008 4:26:48 PM Pacific Standard Time, eanderson@carolina.rr.com writes:
Mark, ACI is the place where I ordered my PRF 83282 after my brake fire back in 2005.
I could not find it anyplace at the time where you could get a quantity less than 1 gallon.  Most FBO appear not interested and are sticking with the more flammable 5606 - I mean there is no point in switching if you're never going to have a hydraulic oil fire {:>).  The 83282 flash point is over 200F higher than that of the 5606
 
Ed
And they are both crap compared to modern automotive fluids! Sorry I couldn't help myself. But that corn oil mung will never see the inside of my brake cylinders. I'm not looking for an arguement just stating a fact.
Bill Jepson


You are undoubtedly  correct, Bill. However, aircraft insurance companies sometimes get picky about what is substituted for "Aircraft approved" products.  Also,  There have been a number of stories in the past about folks attempting to use automotive brake fluid in aircraft brake systems only to find out their seals were not compatible and ended up having to disassemble and replace brake seals.  So naturally, you want to make certain the entire system components is compatible with what ever brake fluid you are using.
 
Ed
 
 
 
Ed


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