Please send me all your unwanted brake fluid. Do you change the fluid every 3 years? I don’t think so.
Ned Derickson 520 331-0112 > On Nov 20, 2022, at 5:00 AM, krnet-requ...@list.krnet.org wrote: > > Send KRnet mailing list submissions to > krnet@list.krnet.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://list.krnet.org/mailman/listinfo/krnet > or, via email, send a message with subject or body 'help' to > krnet-requ...@list.krnet.org > > You can reach the person managing the list at > krnet-ow...@list.krnet.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of KRnet digest..." > > > Today's Topics: > > 1. Brake Fluid (mark jones) > 2. Re: Brake Fluid (Mark Langford) > 3. Re: Brake Fluid (Craig Williams) > 4. Re: Brake Fluid (Dr. Feng Hsu) > 5. Re: Brake Fluid (k...@bouyea.net) > 6. Re: Brake Fluid (Dr. Feng Hsu) > 7. Re: Brake Fluid (Mark Langford) > 8. Re: Brake Fluid (Flesner) > 9. Re: Brake Fluid (Dr. Feng Hsu) > 10. Re: Brake Fluid (Flesner) > 11. Re: Brake Fluid (Rich Parker) > 12. Re: Brake Fluid (k...@bouyea.net) > 13. Re: Brake Fluid (Mark Langford) > 14. Re: Brake Fluid (Rich Parker) > 15. Re: Brake Fluid (Flesner) > 16. Re: Brake Fluid (Steven Willman) > 17. Re: Brake Fluid (Flesner) > 18. Re: Brake Fluid (John Price) > 19. Re: Brake Fluid (Dr. Feng Hsu) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sat, 19 Nov 2022 10:22:15 -0500 > From: mark jones <flyk...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: KRnet> Brake Fluid > Message-ID: > <CAPV=ta9oubr8trzgk6sx6hxd-8d0hqo_ruakg9izovrphz6...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Does aviation brake fluid have a long shelf life? I have some that must be > at least ten years old. Is it safe to use? > > Mark Jones (N771MJ) > Oldsmar, FL > > flyk...@gmail.com > www.flykr2s.com > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/6d0f8386/attachment-0001.htm> > > ------------------------------ > > Message: 2 > Date: Sat, 19 Nov 2022 09:38:26 -0600 > From: Mark Langford <m...@n56ml.com> > To: mark jones via KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <2329b191-7741-4316-33a3-c9b6aab70...@n56ml.com> > Content-Type: text/plain; charset=UTF-8; format=flowed > > Mark Jones wrote: > > Does aviation brake fluid have a long shelf life? I have some that must > be at least ten years old. Is it safe to use? > > Just use it.? I've been using the same one gallon can for 20 years, and > it's fine.? I'm sure somewhere you can find some short shelf life > cited....probably from somebody that sells it,? but I don't see people > in a rush to change their brake fluid at annuals.? If it ain't broke, > don't "fix" it.? I did some research on it (admittedly a year ago, which > is forever in my brain), and I was not concerned. > > Also, I've learned the "exercising" brake cylinders past their normal > limits is risky business, because o-rings go places they are not used to > going and do funny things, so it's best to leave that stuff alone, in my > humble opinion, FWIW.? Of course it you fill the brake system from the > wheel up, this is not usually an issue.? It's the bleeding through > pumping stuff that can get you in trouble. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com > Huntsville, AL > > > > > ------------------------------ > > Message: 3 > Date: Sat, 19 Nov 2022 10:53:18 -0500 (EST) > From: Craig Williams <cr...@kr2seafury.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <2081838223.2488364.1668873198...@email.ionos.com> > Content-Type: text/plain; charset=UTF-8 > > Here is more than you ever wanted to know. BTW, I use Texaco #15 (5606H > equivalent) that is at least 30 yrs old in the KR and my Cessna. > > See #4 below. If it meets that STD then its fine according to the military. > > Current spec is MIL-PRF5606H > > 3.5.4 Storage stability > The fully blended product shall show no separation of ingredients or evidence > of crystallization. The fully blended product shall be clear and transparent > when examined visually, and shall conform to the requirements of section 3 > after 12 months of storage as specified in 4.4.3 > > 4.4.3 Table 5. Storage stability test > > Use FED-STD-791 Test Method 3465 > > 1.Store the sample for one year in the storage chamber 24? " 3?C (75? " 5?F) > 2. At the end of the 12-month period, remove the jar from the chamber, being > careful not to shake or agitate the contents. > 3.Visually examine the sample, and note the presence of cloudiness, sediment, > suspended matter, discoloration, or other changes in homogeneity. > 4. Report the presence of cloudiness, sediment, suspended matter, > discoloration, or other changes in homogeneity. > > 6.1.1 Storage conditions > Prior to use in the intended equipment, the product may be stored under > conditions of covered or uncovered storage in geographic areas that range in > temperatures from -57?C to +49?C. > > Craig > N886MJ > >> On 11/19/2022 9:22 AM CST mark jones via KRnet <krnet@list.krnet.org> wrote: >> >> >> Does aviation brake fluid have a long shelf life? I have some that must be >> at least ten years old. Is it safe to use? > > > ------------------------------ > > Message: 4 > Date: Sat, 19 Nov 2022 10:45:19 -0600 > From: "Dr. Feng Hsu" <fenghs...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > <caatz12qtrwmgqyhxpgliv0oa-zcnasog9qmwfzsqxj_shjz...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Mark, > > I bought a whole gallon of the aviation grade hydraulic fluid for about $45 > not long ago, so if I were you I'd choose to buy a brand new gallon or > bottle of ave fluid instead, simply because it's not worthy of taking any > risks for a small saving just around 45 bucks.... > > Happy holidays to all! > > Dr. Hsu > >> On Sat, Nov 19, 2022, 9:22 AM mark jones via KRnet <krnet@list.krnet.org> >> wrote: >> >> Does aviation brake fluid have a long shelf life? I have some that must be >> at least ten years old. Is it safe to use? >> >> Mark Jones (N771MJ) >> Oldsmar, FL >> >> flyk...@gmail.com >> www.flykr2s.com >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/0ba5acf7/attachment-0001.htm> > > ------------------------------ > > Message: 5 > Date: Sat, 19 Nov 2022 09:53:15 -0800 > From: <k...@bouyea.net> > To: "'KRnet'" <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <004801d8fc3f$cd214b00$6763e100$@bouyea.net> > Content-Type: text/plain; charset="utf-8" > > Mark, > > Though I?ve used old fluid before, Dr. Hsu is right on this one. At least > according to AC Spruce; > https://www.aircraftspruce.com/catalog/lgpages/hydfluid5606qt_09-27000.php > >>> Q: What is the shelf life for P/N: 09-27000 HYDRAULIC FLUID MIL-H-5606A? > >>> This product has a 3 year shelf life. > > John Bouyea / OR81/ Hillsboro, OR > N133RM KR-2S ? imported, fixed & flying > www.bouyea.net/N133RM > > > > On Behalf Of Dr. Feng Hsu via KRnet > Subject: Re: KRnet> Brake Fluid > > ?I'd choose to buy a brand new gallon or bottle of ave fluid instead > > Dr. Hsu > > > > mark jones via KRnet <krnet@list.krnet.org> wrote: > Does aviation brake fluid have a long shelf life? I have some that must be at > least ten years old. Is it safe to use? > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/632caa44/attachment-0001.htm> > > ------------------------------ > > Message: 6 > Date: Sat, 19 Nov 2022 12:07:44 -0600 > From: "Dr. Feng Hsu" <fenghs...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > <caatz12rofys27k07jtndjcsftszrehe8orty2p2dvbtofpw...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Thanks John for agreeing with my suggestion to Mark! Nevertheless, are you > saying that most of what I said here were wrong or ignorant...?! No hard > feelings at all John, am just trying to stirring up a little here in this > group. After all, it's been quiet, despite of the rapid approaching of > wonderful holidays ahead of us!!! > > Cheers & Happy holidays! > > Dr. Hsu > >> On Sat, Nov 19, 2022, 11:54 AM <k...@bouyea.net> wrote: >> >> Mark, >> >> Though I?ve used old fluid before, Dr. Hsu is right on this one. At least >> according to AC Spruce; >> https://www.aircraftspruce.com/catalog/lgpages/hydfluid5606qt_09-27000.php >> >>>> Q: What is the shelf life for P/N: 09-27000 HYDRAULIC FLUID MIL-H-5606A? >> >>>> This product has a 3 year shelf life. >> >> John Bouyea / OR81/ Hillsboro, OR >> N133RM KR-2S ? imported, fixed & flying >> www.bouyea.net/N133RM >> >> >> >> *On Behalf Of *Dr. Feng Hsu via KRnet >> *Subject:* Re: KRnet> Brake Fluid >> >> ?I'd choose to buy a brand new gallon or bottle of ave fluid instead >> >> Dr. Hsu >> >> >> >> mark jones via KRnet <krnet@list.krnet.org> wrote: >> Does aviation brake fluid have a long shelf life? I have some that must be >> at least ten years old. Is it safe to use? >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/c15efef7/attachment-0001.htm> > > ------------------------------ > > Message: 7 > Date: Sat, 19 Nov 2022 12:10:12 -0600 > From: Mark Langford <m...@n56ml.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <7530ad30-ee38-733b-9b8c-17d26105d...@n56ml.com> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > > John Bouyea wrote: > >>> This product has a 3 year shelf life. > > Yep, AS&S sells it, and the manufacturer makes it and sells it. I just > didn't want to wait several days, pay a bunch of money for a whole > 'nuther gallon, pay for shipping that thing, and still have the "old" > 9/10ths of a gallon of hydraulic oil to carry to Hazardous Waste > Disposal. The "old" hydraulic oil looked brand new to me, and I'm having > a hard time envisioning how something as simple as a brake cylinder and > caliper are so dependent on the exact qualities of the fluid they are > using (especially OIL), short of "material compatibility". Y'all do what > you want, and I'll do what I want.? I think I'll survive this tragically > foolish decision. > > YES, it's best to buy a NEW gallon of oil, I'll confess, especially > since it's your money and your time. > > I was in England for 9 months several years ago, and listened to a lot > of BBC news shows.? One of them was about shelf life of various > foods....how to figure out if it's bad, when it's dangerous to eat, > etc.? The bottom line was "use your eyes and nose to determine if it's > good or not".? I think we buy and throw away more vegetables and other > foods than we eat in this country....something like 70% (from memory, > probably not correct), and a large percentage of it is still fine to eat. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com > Huntsville, AL > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/df4a0f59/attachment-0001.htm> > > ------------------------------ > > Message: 8 > Date: Sat, 19 Nov 2022 12:19:19 -0600 > From: Flesner <fles...@frontier.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <e9cdff94-30b3-4577-9928-e45b19b09...@frontier.com> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > >> On 11/19/2022 9:22 AM, mark jones via KRnet wrote: >> Does aviation brake fluid have a long shelf life? I have some that >> must be at least ten years old. Is it safe to use? >> >> Mark Jones (N771MJ) > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Go with what makes you comfortable but I've not serviced the fluid in my > brake system since installing it 20 years ago and they just keep > working.? I keep the puck from coming out on? pad replacement so as not > to loose any fluid.? I check brake function before every start up by > holding the brakes and rocking my 200+ pounds in the seat.? I can tell > if the brakes are holding.? They are checked again on run up for mag > check and I suspect there is little chance of them failing in flight and > unavailable for landing.? Nose draggers? might want to take a bit more > precaution as you use brakes for steering.? Other than leaks or > corrosion issues I can't imagine a failure mode for the (correct type) > fluid. > > Larry Flesner > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/ad4493eb/attachment-0001.htm> > > ------------------------------ > > Message: 9 > Date: Sat, 19 Nov 2022 12:19:03 -0600 > From: "Dr. Feng Hsu" <fenghs...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > <CAATZ12RAitJxPwWcDR_cp-SHaU5=GseZLV9=ufh2y3ahbeo...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > By the way John, I forgot to add that, in my eyes you are such one of a > kind aviator who can use or reuse just about anything on your beautiful > KR2, or altering anything you can lay your hands on, let alone to use some > used hydraulic fluid ...! Am I correct?! > > My other question here is for Luis, and I thought he might have been flying > his newly finished & certified KR2S quietly since September, as I haven't > seen him showing up here in Houston yet with his bird so far...?! > > Cheers! > > Dr. Hsu > >> On Sat, Nov 19, 2022, 11:54 AM <k...@bouyea.net> wrote: >> >> Mark, >> >> Though I?ve used old fluid before, Dr. Hsu is right on this one. At least >> according to AC Spruce; >> https://www.aircraftspruce.com/catalog/lgpages/hydfluid5606qt_09-27000.php >> >>>> Q: What is the shelf life for P/N: 09-27000 HYDRAULIC FLUID MIL-H-5606A? >> >>>> This product has a 3 year shelf life. >> >> John Bouyea / OR81/ Hillsboro, OR >> N133RM KR-2S ? imported, fixed & flying >> www.bouyea.net/N133RM >> >> >> >> *On Behalf Of *Dr. Feng Hsu via KRnet >> *Subject:* Re: KRnet> Brake Fluid >> >> ?I'd choose to buy a brand new gallon or bottle of ave fluid instead >> >> Dr. Hsu >> >> >> >> mark jones via KRnet <krnet@list.krnet.org> wrote: >> Does aviation brake fluid have a long shelf life? I have some that must be >> at least ten years old. Is it safe to use? >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/c4b99a7b/attachment-0001.htm> > > ------------------------------ > > Message: 10 > Date: Sat, 19 Nov 2022 12:47:49 -0600 > From: Flesner <fles...@frontier.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <aefbc513-8cdc-f2c6-3d73-43a997ae2...@frontier.com> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > >> On 11/19/2022 11:53 AM, k...@bouyea.net wrote: >> >>>> Q: What is the shelf life for P/N: 09-27000 HYDRAULIC FLUID MIL-H-5606A? >> >>>> This product has a 3 year shelf life. >> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > I suspect this "disclaimer" has more to do with the legal department > than the chemist if it is a quality fluid, stored properly, and used > correctly.? I have some lightweight "Maytag" oil in a small can that is > 50+ years old That I still use around the house occasionally with > satisfactory results. > > Larry Flesner > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/38cc7f99/attachment-0001.htm> > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: g0q3Yb2YY90MtWyJ.jpg > Type: image/jpeg > Size: 141630 bytes > Desc: not available > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/38cc7f99/attachment-0001.jpg> > > ------------------------------ > > Message: 11 > Date: Sat, 19 Nov 2022 19:06:18 +0000 > From: Rich Parker <richonther...@hotmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > > <dm4pr12mb75753c089c4a7a25bac89918bf...@dm4pr12mb7575.namprd12.prod.outlook.com> > > Content-Type: text/plain; charset="us-ascii" > > Brake fluid is hygroscopic. However if it's been in a sealed container there > shouldn't be a problem. If you suspect it might have water in it you can > always bring it to boiling temp to remove the water. > > https://www.mynrma.com.au/cars-and-driving/car-servicing/resources/understanding-brake-fluid#:~:text=Brake%20fluids%20are%20hygroscopic%2C%20what,the%20vehicle%20is%20not%20driven. > > Rich > ________________________________ > From: KRnet <krnet-boun...@list.krnet.org> on behalf of Mark Langford > <m...@n56ml.com> > Sent: Saturday, November 19, 2022 10:38:26 AM > To: mark jones via KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > > Mark Jones wrote: > > Does aviation brake fluid have a long shelf life? I have some that must > be at least ten years old. Is it safe to use? > > Just use it. I've been using the same one gallon can for 20 years, and > it's fine. I'm sure somewhere you can find some short shelf life > cited....probably from somebody that sells it, but I don't see people > in a rush to change their brake fluid at annuals. If it ain't broke, > don't "fix" it. I did some research on it (admittedly a year ago, which > is forever in my brain), and I was not concerned. > > Also, I've learned the "exercising" brake cylinders past their normal > limits is risky business, because o-rings go places they are not used to > going and do funny things, so it's best to leave that stuff alone, in my > humble opinion, FWIW. Of course it you fill the brake system from the > wheel up, this is not usually an issue. It's the bleeding through > pumping stuff that can get you in trouble. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com > Huntsville, AL > > > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/3ee0687f/attachment-0001.htm> > > ------------------------------ > > Message: 12 > Date: Sat, 19 Nov 2022 11:14:48 -0800 > From: <k...@bouyea.net> > To: <fenghs...@gmail.com>, "'KRnet'" <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <007501d8fc4b$32142f40$963c8dc0$@bouyea.net> > Content-Type: text/plain; charset="utf-8" > > Dr. Hsu and all, > > No, I did not imply I REUSED brake fluid. That?s bad practice. I have > successfully put AGED brake fluid in my KR with good results. > > I bought my present gallon can for my Beechcraft; I sold that airplane in > 1993. I rebuilt the brakes in 133RM 4 years ago with fluid from that same can? > > As Flesner says, ?Your results may vary.? > > > > Subject: Re: KRnet> Brake Fluid > > By the way John, ? ?to use some used hydraulic fluid ...! Am I correct?!? > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/6f3c4efc/attachment-0001.htm> > > ------------------------------ > > Message: 13 > Date: Sat, 19 Nov 2022 13:16:50 -0600 > From: Mark Langford <m...@n56ml.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <974dee1c-1736-94ea-d79b-7ca1fb333...@n56ml.com> > Content-Type: text/plain; charset=UTF-8; format=flowed > > > Rich Parker wrote: > >>> Brake fluid is hygroscopic. However if it's been in a sealed > container there shouldn't be a problem. If you suspect it might have > water in it you can always bring it to boiling temp to remove the water.<< > > Car brake fluid and aircraft hydraulic brake oil are two completely > different things. Yes, car fluid is hygroscopic, and I do replace my > automotive brake fluid when it discolors, as it has become corrosive, at > least the stuff in the reservoir.? Last I heard, water and oil don't mix. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com > Huntsville, AL > > > > > ------------------------------ > > Message: 14 > Date: Sat, 19 Nov 2022 20:01:40 +0000 > From: Rich Parker <richonther...@hotmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > > <dm4pr12mb7575842b409c37d86967d602bf...@dm4pr12mb7575.namprd12.prod.outlook.com> > > Content-Type: text/plain; charset="us-ascii" > > What percentage of homebuilders do you think use aircraft vs auto brake > fluid...... > > Rich > ________________________________ > From: KRnet <krnet-boun...@list.krnet.org> on behalf of Mark Langford > <m...@n56ml.com> > Sent: Saturday, November 19, 2022 2:16:50 PM > To: krnet@list.krnet.org <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > > > Rich Parker wrote: > >>> Brake fluid is hygroscopic. However if it's been in a sealed > container there shouldn't be a problem. If you suspect it might have > water in it you can always bring it to boiling temp to remove the water.<< > > Car brake fluid and aircraft hydraulic brake oil are two completely > different things. Yes, car fluid is hygroscopic, and I do replace my > automotive brake fluid when it discolors, as it has become corrosive, at > least the stuff in the reservoir. Last I heard, water and oil don't mix. > > Mark Langford > m...@n56ml.com > http://www.n56ml.com > Huntsville, AL > > > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/8eee3dda/attachment-0001.htm> > > ------------------------------ > > Message: 15 > Date: Sat, 19 Nov 2022 14:23:52 -0600 > From: Flesner <fles...@frontier.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <39c4bfff-dd22-f79c-d7f7-2d87e4323...@frontier.com> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > >> On 11/19/2022 2:01 PM, Rich Parker via KRnet wrote: >> What percentage of homebuilders do you think use aircraft vs auto >> brake fluid...... >> >> Rich > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > With that in mind, builders should be more concerned with using the > correct type of fluid then being concerned with aging aviation brake > fluid.? I know of an A&P, I.A that used the incorrect type of fluid in > his Stenson Gullwing swelling up some "O" rings and locking up his > brakes.? Dumb mistakes come in all flavors. > > Larry Flesner > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/82bf4e13/attachment-0001.htm> > > ------------------------------ > > Message: 16 > Date: Sat, 19 Nov 2022 15:33:21 -0500 > From: Steven Willman <swill...@yahoo.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <d2143e60-2694-49c4-bd61-74b8453c6...@yahoo.com> > Content-Type: text/plain; charset="utf-8" > > Automotive brake fluid is a form of liquid plastic and also has alcohol in it > to keep any water that might find its way into the system from freezing. > That is what we were taught in tech school. I have stored unused brake fluid > (in the steel container purchased from the store) and it went dark. I have > never had that problem now that it is sold in plastic containers. I bleed > the brakes to purge the old fluid out every two years in my vehicles. I have > worked on cars that had fluid as thick as syrup (but it was not dark). The > lady drove through an intersection trying to stop. I value my life and the > lives of my family so I don?t let brake fluid get old. So tell me that there > is a difference between brake fluid used in a car and a plane.!!!!!!!!!!! > > Sent from my iPhone > >> On Nov 19, 2022, at 3:01 PM, Rich Parker via KRnet <krnet@list.krnet.org> >> wrote: >> >> ? What percentage of homebuilders do you think use aircraft vs auto brake >> fluid...... >> >> Rich >> From: KRnet <krnet-boun...@list.krnet.org> on behalf of Mark Langford >> <m...@n56ml.com> >> Sent: Saturday, November 19, 2022 2:16:50 PM >> To: krnet@list.krnet.org <krnet@list.krnet.org> >> Subject: Re: KRnet> Brake Fluid >> >> >> Rich Parker wrote: >> >>>> Brake fluid is hygroscopic. However if it's been in a sealed >> container there shouldn't be a problem. If you suspect it might have >> water in it you can always bring it to boiling temp to remove the water.<< >> >> Car brake fluid and aircraft hydraulic brake oil are two completely >> different things. Yes, car fluid is hygroscopic, and I do replace my >> automotive brake fluid when it discolors, as it has become corrosive, at >> least the stuff in the reservoir. Last I heard, water and oil don't mix. >> >> Mark Langford >> m...@n56ml.com >> http://www.n56ml.com >> Huntsville, AL >> >> >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/ffa2585f/attachment-0001.htm> > > ------------------------------ > > Message: 17 > Date: Sat, 19 Nov 2022 15:21:06 -0600 > From: Flesner <fles...@frontier.com> > To: krnet@list.krnet.org > Subject: Re: KRnet> Brake Fluid > Message-ID: <3112877a-85ab-c999-40fe-e353a2ac0...@frontier.com> > Content-Type: text/plain; charset=UTF-8; format=flowed > >> On 11/19/2022 2:33 PM, Steven Willman via KRnet wrote: >> ?The lady drove through an intersection trying to stop. ?I value my >> life and the lives of my family so I don?t let brake fluid get old. >> ?So tell me that there is a difference between brake fluid used in a >> car and a plane.!!!!!!!!!!! > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > If all brake fluids were the same all containers would simply be labeled > "brake fluid" and not identified? as one of the half dozen? or more > different types sold.? Know your system and go with what the > manufacturer specifies. > > I suspect there is more to the story of the lady? than mentioned here.? > If it were simply "old brake fluid" we'd have a lot more people killed > in accidents than we do now.? I'm guessing that not one in a thousand > cars on the road have their brake fluids changed in their lifetime.? > I've owned autos / trucks for 50+ years, driven them for a dozen or more > years with some past 200,000 miles and never once had brake fluid > changed and not once noticed reduced braking action other than worn > pads.? My current Buick is 15 years old with 140,000 miles and my > previous truck was 16 years old with 226,000 miles and I know for a fact > the brake fluids were never changed.? As always, > YRMV................................ > > Everyone has an opinion based on their own experiences so go with what > makes you comfortable.? It that doesn't work, try something different. > > Larry Flesner > > > > ------------------------------ > > Message: 18 > Date: Sat, 19 Nov 2022 19:44:12 -0500 > From: John Price <pricej...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: <f3776c53-a83b-4aa9-b51e-b4a071f0c...@gmail.com> > Content-Type: text/plain; charset=utf-8 > > I don?t post often but! ? When I was crewing or doing inspections on > airplanes (USAF aircraft mechanic ?69-?90) any open can of MIL 5606 was > disposed of promptly. We were concerned that the fluid might become > contaminated with dirt, dust or some other crud. If you need hydraulic > fluid, purchase the smallest quantity you can get. > > John Price > > >> On Nov 19, 2022, at 4:20 PM, Flesner via KRnet <krnet@list.krnet.org> wrote: >> >> ?On 11/19/2022 2:33 PM, Steven Willman via KRnet wrote: >>> The lady drove through an intersection trying to stop. I value my life and >>> the lives of my family so I don?t let brake fluid get old. So tell me that >>> there is a difference between brake fluid used in a car and a >>> plane.!!!!!!!!!!! >> >> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> >> If all brake fluids were the same all containers would simply be labeled >> "brake fluid" and not identified as one of the half dozen or more >> different types sold. Know your system and go with what the manufacturer >> specifies. >> >> I suspect there is more to the story of the lady than mentioned here. If >> it were simply "old brake fluid" we'd have a lot more people killed in >> accidents than we do now. I'm guessing that not one in a thousand cars on >> the road have their brake fluids changed in their lifetime. I've owned >> autos / trucks for 50+ years, driven them for a dozen or more years with >> some past 200,000 miles and never once had brake fluid changed and not once >> noticed reduced braking action other than worn pads. My current Buick is 15 >> years old with 140,000 miles and my previous truck was 16 years old with >> 226,000 miles and I know for a fact the brake fluids were never changed. As >> always, YRMV................................ >> >> Everyone has an opinion based on their own experiences so go with what makes >> you comfortable. It that doesn't work, try something different. >> >> Larry Flesner >> >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet > > > ------------------------------ > > Message: 19 > Date: Sat, 19 Nov 2022 20:15:54 -0600 > From: "Dr. Feng Hsu" <fenghs...@gmail.com> > To: KRnet <krnet@list.krnet.org> > Subject: Re: KRnet> Brake Fluid > Message-ID: > <CAATZ12Quk7f3DpOKTJDtoMxPVVQ=jpt7+b5rz10oxhd22+i...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > John, as a USAF veteran I can fully understand and appreciate your view > point concerning the use of old hydraulic fluid in any of the flying > aircrafts! > > Dr. Hsu > > > On Sat, Nov 19, 2022, 6:44 PM John Price via KRnet <krnet@list.krnet.org> > wrote: > >> I don?t post often but! ? When I was crewing or doing inspections on >> airplanes (USAF aircraft mechanic ?69-?90) any open can of MIL 5606 was >> disposed of promptly. We were concerned that the fluid might become >> contaminated with dirt, dust or some other crud. If you need hydraulic >> fluid, purchase the smallest quantity you can get. >> >> John Price >> >> >>> On Nov 19, 2022, at 4:20 PM, Flesner via KRnet <krnet@list.krnet.org> >> wrote: >>> >>> ?On 11/19/2022 2:33 PM, Steven Willman via KRnet wrote: >>>> The lady drove through an intersection trying to stop. I value my >> life and the lives of my family so I don?t let brake fluid get old. So >> tell me that there is a difference between brake fluid used in a car and a >> plane.!!!!!!!!!!! >>> >>> >> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>> >>> If all brake fluids were the same all containers would simply be labeled >> "brake fluid" and not identified as one of the half dozen or more >> different types sold. Know your system and go with what the manufacturer >> specifies. >>> >>> I suspect there is more to the story of the lady than mentioned here. >> If it were simply "old brake fluid" we'd have a lot more people killed in >> accidents than we do now. I'm guessing that not one in a thousand cars on >> the road have their brake fluids changed in their lifetime. I've owned >> autos / trucks for 50+ years, driven them for a dozen or more years with >> some past 200,000 miles and never once had brake fluid changed and not once >> noticed reduced braking action other than worn pads. My current Buick is >> 15 years old with 140,000 miles and my previous truck was 16 years old with >> 226,000 miles and I know for a fact the brake fluids were never changed. >> As always, YRMV................................ >>> >>> Everyone has an opinion based on their own experiences so go with what >> makes you comfortable. It that doesn't work, try something different. >>> >>> Larry Flesner >>> >>> -- >>> KRnet mailing list >>> KRnet@list.krnet.org >>> https://list.krnet.org/mailman/listinfo/krnet >> -- >> KRnet mailing list >> KRnet@list.krnet.org >> https://list.krnet.org/mailman/listinfo/krnet >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://list.krnet.org/mailman/private/krnet/attachments/20221119/f3739790/attachment-0001.htm> > > ------------------------------ > > Subject: Digest Footer > > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet > > > ------------------------------ > > End of KRnet Digest, Vol 194, Issue 1 > ************************************* -- KRnet mailing list KRnet@list.krnet.org https://list.krnet.org/mailman/listinfo/krnet
