Yak-List Digest Archive

Tue 03/07/17


Total Messages Posted: 5



Today's Message Index:
----------------------
 
     1. 10:49 AM - Re: Air Tank Cocktail (ChangDriver)
     2. 12:23 PM - Re: Re: Air Tank Cocktail (A. Dennis Savarese)
     3. 12:35 PM - Re: Air Tank Cocktail (Bitterlich, Mark G CIV NAVAIR, WD)
     4. 12:50 PM - Re: Re: Air Tank Cocktail (Ernest Martinez)
     5. 11:50 PM - Re: Nanchang Company, M14P approval (jay-dub)
 
 
 


Message 1


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    Time: 10:49:24 AM PST US
    Subject: Re: Air Tank Cocktail
    From: "ChangDriver" <capav8r@gmail.com>
    A&P in my area who has been working on Yaks and my CJ for many years has always recommended and used antifreeze in the air system. Great lubricant, absorbs water, not petroleum based, rust inhibitors in it and similar consistency to what is recommended in the manual, etc, etc. YMMV, Craig Read this topic online here: http://forums.matronics.com/viewtopic.php?p=466971#466971


    Message 2


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    Time: 12:23:50 PM PST US
    From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
    Subject: Re: Air Tank Cocktail
    Interesting. I'm wondering what the antifreeze does to the rubber seals in the actuators and unlock assemblies? Just for grins, try soaking a couple of the replacement chevron seals for a few days and see if they swell or any sign of deterioration. Let us know the results please. Dennis Sent from my iPad > On Mar 7, 2017, at 1:47 PM, ChangDriver <capav8r@gmail.com> wrote: > > > A&P in my area who has been working on Yaks and my CJ for many years has always recommended and used antifreeze in the air system. Great lubricant, absorbs water, not petroleum based, rust inhibitors in it and similar consistency to what is recommended in the manual, etc, etc. > > YMMV, > > Craig > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=466971#466971 > > > > > > > > >


    Message 3


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    Time: 12:35:21 PM PST US
    From: "Bitterlich, Mark G CIV NAVAIR, WD" <mark.bitterlich@navy.mil>
    Subject: Re: Air Tank Cocktail
    Craig, I disagree with your A&P's recommendation. I would ask him what other aircraft pneumatic system has he experience with where he unilaterally added antifreeze because he "felt it was a good idea". And I'll put it out there in another way. How about if your A&P mechanic calls an FAA maintenance inspector and says: "Hey, I'm working on this Chinese and Russian aircraft that has a pneumatic system used for flaps, landing gear and brakes..... what are your feeling about me adding ANTIFREEZE into the system, because hey... it is a great lubricant, absorbs water, has rust inhibitors, etc., etc. Do that and let's see what they say. RTFM (Read the Manual) Mark p.s. I've been working on Russian aircraft for 18 years now, and military aircraft for 47 years. Just FYI, military aircraft also have high pressure pneumatic systems and we do NOT recommend adding antifreeze to the system.... ever. -----Original Message----- From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of ChangDriver Sent: Tuesday, March 07, 2017 1:48 PM Subject: [Non-DoD Source] Yak-List: Re: Air Tank Cocktail A&P in my area who has been working on Yaks and my CJ for many years has always recommended and used antifreeze in the air system. Great lubricant, absorbs water, not petroleum based, rust inhibitors in it and similar consistency to what is recommended in the manual, etc, etc. YMMV, Craig Read this topic online here: http://forums.matronics.com/viewtopic.php?p=466971#466971


    Message 4


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    Time: 12:50:16 PM PST US
    From: Ernest Martinez <erniel29@gmail.com>
    Subject: Re: Air Tank Cocktail
    The main ingredient in Antifreeze is ethylene glycol which when oxidized eventually turns into oxalic acid. Not too good for aluminum, and I don't know how long term exposure would affect steel. Ernie On Tue, Mar 7, 2017 at 3:33 PM, Bitterlich, Mark G CIV NAVAIR, WD < mark.bitterlich@navy.mil> wrote: > mark.bitterlich@navy.mil> > > Craig, I disagree with your A&P's recommendation. I would ask him what > other aircraft pneumatic system has he experience with where he > unilaterally added antifreeze because he "felt it was a good idea". And > I'll put it out there in another way. How about if your A&P mechanic calls > an FAA maintenance inspector and says: "Hey, I'm working on this Chinese > and Russian aircraft that has a pneumatic system used for flaps, landing > gear and brakes..... what are your feeling about me adding ANTIFREEZE into > the system, because hey... it is a great lubricant, absorbs water, has rust > inhibitors, etc., etc. Do that and let's see what they say. > > RTFM (Read the Manual) > > Mark > > p.s. I've been working on Russian aircraft for 18 years now, and military > aircraft for 47 years. Just FYI, military aircraft also have high pressure > pneumatic systems and we do NOT recommend adding antifreeze to the > system.... ever. > > > -----Original Message----- > From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@ > matronics.com] On Behalf Of ChangDriver > Sent: Tuesday, March 07, 2017 1:48 PM > To: yak-list@matronics.com > Subject: [Non-DoD Source] Yak-List: Re: Air Tank Cocktail > > > A&P in my area who has been working on Yaks and my CJ for many years has > always recommended and used antifreeze in the air system. Great lubricant, > absorbs water, not petroleum based, rust inhibitors in it and similar > consistency to what is recommended in the manual, etc, etc. > > YMMV, > > Craig > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=466971#466971 > >


    Message 5


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    Time: 11:50:34 PM PST US
    Subject: Re: Nanchang Company, M14P approval
    From: "jay-dub" <flyjnw@gmail.com>
    Get in touch with Bob at White Waltham. His Chang is almost ready with the M14P. -------- CJ and Yak-52 owner Read this topic online here: http://forums.matronics.com/viewtopic.php?p=466994#466994




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