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Mark,
I would be careful with ATF. The high detergent level may or may not be compatable with seals. Why not use a fluid DESIGNED for the task. The only possible benefit is availability anywhere. The thing is if you are sure your seals are ok with automotive fluid it is available anywhere. Dot 5 is a good compromise for someone who wants a more widely compatable fluid. It is also good with paint. I would also be skeptical about the non-compressibility issue.
Bill Jepson -----Original Message----- From: Mark R Steitle <mark.steitle@austin.utexas.edu> To: Rotary motors in aircraft <flyrotary@lancaironline.net> Sent: Tue, 6 Dec 2005 14:07:43 -0600 Subject: [FlyRotary] Re: Brake Fire Photo
Has anyone heard of using Mobil 1 ATF in their brake system? A CFI and very experienced RV-8 owner told me that he has been using Mobil 1 ATF in his RV-8 for years because, 1) its very high flash point, 2) it doesn't attract moisture, 3) is non-compressible, 4) is compatible with the seals, and 5) doesn't harm the paint. I was wondering if anyone on the list has used Mobil 1 ATF? If so, what are your experiences?
Mark S.
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of wrjjrs@aol.com
Sent: Tuesday, December 06, 2005 1:59 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Brake Fire Photo
The thing to take from Ed's brake problem is to trust your judgment on some things. There was no problem with his rotary engine here, rather a so called, "Tried and true" standard part was what failed. I understand why many people will follow plans to the letter and I don't argue with that. The fact is that we often accept certified parts as gospel. My advise to the group is that if something seems shaky, (like 200°F flash point brake fluid), it is probably a holdover from early flying days. investigate if it might be improved! I WILL NOT USE OLD STYLE BRAKE FLUID IN MY AIRCRAFT. I plan to use a racing quality brake fluid. If it is necessary I'll change the seals.
-----Original Message-----
From: Bob Perkinson <bobperk@bellsouth.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Tue, 6 Dec 2005 12:10:23 -0600
Subject: [FlyRotary] Re: Brake Fire Photo
Boy Ed, all the excitement you have had kind of makes me wonder why I am building and experimental airplane}:>) I am not sure I can handle that much excitement, but I guess I will try. My-9 fuselage is in Chicago today, sand should be in Nashville Friday,
Bob Perkinson
Hendersonville, TN.
RV9 N658RP Reserved
If nothing changes
Nothing changes
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