Heavy Feet??
Randy
RV-7
----- Original Message -----
From: "Panama Red" <panamared505@brier.net>
To: <rv-list@matronics.com>
Sent: Wednesday, November 18, 2009 10:53 AM
Subject: Re: Brake Fire wasBrakes
I think I might have missed something. Why are so many RVs having brake
fires, requiring the redesign of the entire brake system?
I have been flying my RV for 8 years with the brakes built exactly to the
plans. Just wondering, should I ground my RV and redesign the entire brake
system?
Bob
RV 6 "Wicked Witch of the West"
----- Original Message -----
From: <dave.gribble@mchsi.com>
To: <rv-list@matronics.com>
Sent: Wednesday, November 18, 2009 10:08 AM
Subject: Re: Brake Fire wasBrakes
>
> Hi Ed - thanks for posting.... can you post the part number / source /
> approximate $$ of the thicker rotors?
>
> Thanks again,
>
> dave
> -------------- Original message ----------------------
> From: "Ed Anderson" <eanderson@carolina.rr.com>
>>
>>
>> I whole heartedly agree with Ed Holyoke about replacing the MIL-H_5606
>> with
>> the Mil-H-8328. Being one of those who had experience with a brake fluid
>> fire while using the older MIL-H_5606, I never realized until after the
>> incident that its' flash point was just a bit above the boiling point of
>> water. Fortunately I only lost a wheel pant an tube/tire out of the
>> incident.
>>
>> I also replace the aluminum tubes ( the side of the right brake line blew
>> a
>> chunk out and sprayed the hot rotor with brake fluid) with stainless
>> steel
>> braided brake lines and replace the brake rotors with a set that had
>> double
>> the thickness of the standard RV brake rotor. Doubling the mass with the
>> same amount of heat effectively reduces the temperature of the mass.
>>
>> The thicker rotors provided an unexpected side benefit in that brake fade
>> even after a hard stop is gone and the pads wear more evenly and last
>> longer.
>>
>> But, of all my changes the switch to the MIL-H-8328 is the cheapest and
>> probably the most effective in reducing probably of brake fluid fire.
>>
>> YMMV
>>
>> Ed
>>
>> Ed Anderson
>>
>> Rv-6A N494BW Rotary Powered
>>
>> Matthews, NC
>>
>> eanderson@carolina.rr.com
>>
>> http://www.andersonee.com
>>
>> http://www.dmack.net/mazda/index.html
>>
>> http://www.flyrotary.com/
>>
>> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>>
>> http://www.rotaryaviation.com/Rotorhead%20Truth.htm
>>
>> -----Original Message-----
>> From: owner-rv-list-server@matronics.com
>> [mailto:owner-rv-list-server@matronics.com] On Behalf Of Ed Holyoke
>> Sent: Wednesday, November 18, 2009 1:36 AM
>> To: rv-list@matronics.com
>> Subject: Re: Brakes
>>
>>
>> And Viton O-rings at the calipers. They're rated for higher temps.
>>
>> Pax,
>>
>> Ed Holyoke
>>
>> Kelly McMullen wrote:
>> >
>> > If you mean Mil 5606, consider an improvement:
>> > "Standard" brake fluid for GA aircraft is MIL-H-5606. This fluid has
>> > been around forever and works fine, but can be improved upon.
>> > MIL-H-83282 was introduced a few years back and is a synthetic
>> > upgrade. It performs better in every regard, but of special interest
>> > is the flash point. 5606 has a flash point of around 225 whereas
>> > 83282 is around 425. This can be a factor with RVs because there have
>> > been several reported cases of brake fires on RVs and some have taken
>> > the whole aircraft with it. Do yourself a favor, upgrade the standard
>> > MIL-H-5606 to MIL-H-83282: Royco 782 or Aero Shell 31.
>> >
>> > Tom Gummo wrote:
>> >>
>> >> On the non pressure side, they are nice as you can see if there is
>> >> RED fluid in the lines.
>> >>
>> >> Tom Gummo
>> >> Harmon Rocket II
>> >> 370 hours and still smiling.
>> >>
>> >>
>> >> ----- Original Message ----- From: "Kelly McMullen"
>> >> <kellym@aviating.com>
>> >> To: <rv-list@matronics.com>
>> >> Sent: Tuesday, November 17, 2009 6:32 PM
>> >> Subject: Re: Brakes
>> >>
>> >>
>> >>>
>> >>> http://www.bonacoinc.com/
>> >>> I believe they have kits for your RV, but the website has little
>> >>> info beyond what hose and fittings they have available.
>> >>>
>> >>> Norman Hunger wrote:
>> >>>> Hi everybody, I'm poking around my long dormant resurrected kit and
>> >>>> noticing the right side optional brake pedal lines are white
>> >>>> plastic. Does any one sell a kit to do this with nicer lines? Can
>> >>>> small AN fittings be used here?
>> >>>>
>> >>>> I was reading about a brake pedal improvement where the short pivot
>> >>>> point bolts are replaced with AN3-60 bolts. The result is one bolt
>> >>>> all the way across the bottom of the pedal instead of a single bolt
>> >>>> on each side. The better alignment of the single bolt shaft reduces
>> >>>> the possibility of binding and makes the pedals operate smoother.
>> >>>> Is this true?
>> >>>>
>> >>>> I also read some time back about one complaining about draggy
>> >>>> brakes and the need to upgrade the springs on the master cylinders
>> >>>> for stronger ones. Is this true?
>> >>>>
>> >>>> And what about the brakes? My Vans wheels and brakes and tires are
>> >>>> now about ten years old. Is it worth while to install Grove wheels
>> >>>> and brakes? Do they work better?
>> >>>> http://www.groveaircraft.com/56-1a.html
>> >>>>
>> >>>> Who makes the best tires?
>> >>>>
>> >>>> Thanks for your support....
>> >>>> Norman Hunger
>> >>>> RV6A Delta BC
>> >>>> Do not archive
>> >>>> Nov 17-09 - 15
>> >>>>
>> >>>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> __________ Information from ESET NOD32 Antivirus, version of virus
>> >>> signature database 4615 (20091117) __________
>> >>>
>> >>> The message was checked by ESET NOD32 Antivirus.
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>> __________ Information from ESET NOD32 Antivirus, version of virus
>> signature
>> database 3267 (20080714) __________
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>> The message was checked by ESET NOD32 Antivirus.
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