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Strange goop in the overflow bottle

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larry(at)macsmachine.com
Guest

Posted: Sun Nov 02, 2008 4:15 pm Post subject: Strange goop in the overflow bottle

Hi Guys,



This week begins the Annual Inspection of my 601HDS and one of the first 

things was a coolant leak that dripped ever so slightly from the coolant 

overflow bottle. Large filler hoses were moved out of the way. I tried 

to siphon the last half-inch of coolant, but goop on the bottom 

prevented it. The coolant bottle was removed and the last half-pint of 

coolant was poured into another bottle. The bottom goop was very 

different from the clean and transparent coolant. It was gray-black and 

didn’t act or feel like oil. After flushing the goop out of the bottle 

in two level chunks, I put the goop on paper and it dried to a 

gray-black cake. Rubbed between the fingers, it felt like an extremely 

fine compound. The bottle was refilled and set on a shelf to check it 

again for leakage. There was a leak spot on the back firewall side where 

the bottle contacts a rivet head. I've another bottle to install but was 

very curious about the accumulated 1/8-inch of goop on the bottom of the 

coolant bottle. Any ideas of what it might be? I've never encountered 

this before. It's not oil, nor does it leave a carbon trace on the 

fingers. It washes off like regular soil. Volume was 1/8 x 2 x 3 lg. The 

coolant bottle has never been changed or cleaned, but my coolant has 

been changed twice at 60 hours. Any ideas?



Thank you for your response,



Larry McFarland 601HDS at www.macsmachine.com

Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Sun Nov 02, 2008 7:37 pm Post subject: Re: Strange goop in the overflow bottle

Larry,



We Ionize the water in production at GM to eliminate electrolysis.  That or a chemical reaction between the aluminum and the coolant itself can cause erosion of the aluminum.  It sounds like it might be that type of a thing or its getting dirt from somewhere.  If coolant can get out dirt can get in.

_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/

jimandmandy(at)yahoo.com
Guest

Posted: Mon Nov 03, 2008 10:35 am Post subject: Strange goop in the overflow bottle

You didnt say, but can we assume it is a Rotax 912 of some sort? 

If so, did you use Evans waterless coolant or an automotive coolant and water mixture?



--- On Sun, 11/2/08, LarryMcFarland <larry(at)macsmachine.com> wrote:

 	  Quote: 	
		  From: LarryMcFarland <larry(at)macsmachine.com>

Subject: Strange goop in the overflow bottle

To: zenith601-list(at)matronics.com, "stratus-list" <stratus-list(at)matronics.com>

Date: Sunday, November 2, 2008, 4:14 PM



 	  Quote: 	
		  --> Zenith601-List message posted by: LarryMcFarland<larry(at)macsmachine.com>Hi Guys,This week begins the Annual Inspection of my 601HDS and one of the first things was a coolant leak that dripped ever so slightly from the

 coolant overflow bottle. Large filler hoses were moved out of the way. I tried to siphon the last half-inch of coolant, but goop on the bottom prevented it. The coolant bottle was removed and the last half-pint of coolant was poured into another bottle. The bottom goop was very different from the clean and transparent coolant. It was gray-black and didn¢t act or feel like oil. After flushing the goop out of the bottle in two level chunks, I put the goop on paper and it dried to a gray-black cake. Rubbed between the fingers, it felt like an extremely fine compound. The bottle was refilled and set on a shelf to check it again for leakage. There was a leak spot on the back firewall side where the bottle contacts a rivet head. I've another bottle to install but was very curious about the accumulated 1/8-inch of goop on the bottom of the coolant bottle. Any ideas of what it might be? I've never

 encountered this before. It's not oil, nor does it leave a carbon trace on the fingers. It washes off like regular soil. Volume was 1/8 x 2 x 3 lg. The coolant bottle has never been changed or cleaned, but my coolant has been changed twice at 60 hours. Any ideas?Thank you for your response,Larry McFarland 601HDS at www.macsmachine.com 	
	
 [quote][b]

larry(at)macsmachine.com
Guest

Posted: Mon Nov 03, 2008 3:46 pm Post subject: Strange goop in the overflow bottle

Hi Jimbo,

I fly a Stratus Subaru and use 50/50 de-ionized water and anti-freeze. 

I've never tried the waterless stuff.

The goop when burned, smelled like rubber, so I must presume the residue 

is hose material that gets worn

off the inside diameter by the fast moving coolant. Then it gathers up 

at my overflow when the engine is

shut down and collects in the bottom of my coolant bottle.



Larry McFarland 601HDS at www.macsmachine.com



Jimbo wrote:

 	  Quote: 	
		   You didnt say, but can we assume it is a Rotax 912 of some sort?

 If so, did you use Evans waterless coolant or an automotive coolant 

 and water mixture?



 --- On *Sun, 11/2/08, LarryMcFarland /<larry(at)macsmachine.com>/* wrote:



     From: LarryMcFarland <larry(at)macsmachine.com>

     Subject: Strange goop in the overflow bottle

     To: zenith601-list(at)matronics.com, "stratus-list"

     <stratus-list(at)matronics.com>

     Date: Sunday, November 2, 2008, 4:14 PM



     

     <larry(at)macsmachine.com>



     Hi Guys,



     This week begins the Annual Inspection of my 601HDS and one of the first 

     things was a coolant leak that dripped ever so slightly from the

      coolant 

     overflow bottle. Large filler hoses were moved out of the way. I tried 

     to siphon the last half-inch of coolant, but goop on the bottom 

     prevented it. The coolant bottle was removed and the last half-pint of 

     coolant was poured into another bottle. The bottom goop was very 

     different from the clean and transparent coolant. It was gray-black and 

     didn¢t act or feel like oil. After flushing the goop out of the bottle 

     in two level chunks, I put the goop on paper and it dried to a 

     gray-black cake. Rubbed between the fingers, it felt like an extremely 

     fine compound. The bottle was refilled and set on a shelf to check it 

     again for leakage. There was a leak spot on the back firewall side where 

     the bottle contacts a rivet head. I've another bottle to install but was 

     very curious about the accumulated 1/8-inch of goop on the bottom of the 

     coolant bottle. Any ideas of what it might be? I've never

      encountered 

     this before. It's not oil, nor does it leave a carbon trace on the 

     fingers. It washes off like regular soil. Volume was 1/8 x 2 x 3 lg. The 

     coolant bottle has never been changed or cleaned, but my coolant has 

     been changed twice at 60 hours. Any ideas?



     Thank you for your response,



     Larry McFarland 601HDS at www.macsmachine.com





 *



 *

K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Nov 04, 2008 3:46 am Post subject: Re: Strange goop in the overflow bottle

The gloop is often formed over time when some one has use a little grease or spray ( WD40) to put the pipes on or off with. with the heat and glycol a small amount of the the rubber tubeing is dissolved.



Never spray wd 40 type of lube in the hose as this softens the rubber.

  

 Hope this is of use



 Kev

_________________
Back home .................

brianrobertwood(at)gmail.
Guest

Posted: Tue Nov 04, 2008 4:02 am Post subject: Strange goop in the overflow bottle

What are the water pump impellers made of?



Brian



Em Tue, 04 Nov 2008 09:46:48 -0200, K Dilks <kevin.dilks(at)liwest.at>  

escreveu:



 	  Quote: 	
		   



 The gloop is often formed over time when some one has use a little  

 grease or spray ( WD40) to put the pipes on or off with. with the heat  

 and glycol a small amount of the the rubber tubeing is dissolved.



 Never spray wd 40 type of lube in the hose as this softens the rubber.

 Hope this is of use



  Kev



 --------

 Austria ...guess where I work!





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 12212#212212






	


-- 

Usando o revolucionário cliente de e-mail do Opera:  

http://www.opera.com/mail/

K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Nov 04, 2008 4:18 am Post subject: Re: Strange goop in the overflow bottle

Impeller is Aluminium or Aluminum.......

Oil seals are a ceramic rotary type.



Or light shiny metal if your a hobbit .

 Kev

_________________
Back home .................

brianrobertwood(at)gmail.
Guest

Posted: Tue Nov 04, 2008 4:24 am Post subject: Strange goop in the overflow bottle

How often should the coolant be changed?



Brian



Em Tue, 04 Nov 2008 10:18:51 -0200, K Dilks <kevin.dilks(at)liwest.at>  

escreveu:



 	  Quote: 	
		   



 Impeller is Aluminium or Aluminum.......

 Oil seals are a ceramic rotary type.



 Or light shiny metal if your a hobbit .

  Kev



 --------

 Austria ...guess where I work!





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 12216#212216






	


-- 

Usando o revolucionário cliente de e-mail do Opera:  

http://www.opera.com/mail/

K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Nov 04, 2008 4:48 am Post subject: Re: Strange goop in the overflow bottle

Normally recommend 2 years. try and use 40 to 50% mix with de ionised water. too much glycole reduces the flow around the system and also not so good at removing the heat.

 Evans coolant is the worst if you run hot as this increases the temp by up to 20c. 

 Run normal coolant but DO use the 1.5 bar pressure cap to stop boile off.

Kev

_________________
Back home .................

brianrobertwood(at)gmail.
Guest

Posted: Tue Nov 04, 2008 4:55 am Post subject: Strange goop in the overflow bottle

Thanks for the informed replies. Can you help out a little more and  

explain de-ionized water? If it is not available commercially, can it be  

"made"?



Brian in Brazil



Em Tue, 04 Nov 2008 10:48:22 -0200, K Dilks <kevin.dilks(at)liwest.at>  

escreveu:



 	  Quote: 	
		   



 Normally recommend 2 years. try and use 40 to 50% mix with de ionised  

 water. too much glycole reduces the flow around the system and also not  

 so good at removing the heat.

  Evans coolant is the worst if you run hot as this increases the temp by  

 up to 20c.

  Run normal coolant but DO use the 1.5 bar pressure cap to stop boile  

 off.

 Kev



 --------

 Austria ...guess where I work!





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 12222#212222






	


-- 

Usando o revolucionário cliente de e-mail do Opera:  

http://www.opera.com/mail/

K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Nov 04, 2008 5:04 am Post subject: Re: Strange goop in the overflow bottle

Water they sell for batterys is the stuff,or for irons.



 Coolant for Toyota, BMW, and Merc all good as the only have aluminium compatable stuff. look out for some GM stuff as not good, for iron block motors only.





 or if into making hooch just distille some in your rig.....

Kev

_________________
Back home .................

larry(at)macsmachine.com
Guest

Posted: Tue Nov 04, 2008 6:02 am Post subject: Strange goop in the overflow bottle

Hi Brian,

Cast iron centrifugal type.



Larry McFarland 601HDS at www.macsmachine.com



Brian R. Wood wrote:

 	  Quote: 	
		   

 <brianrobertwood(at)gmail.com>



 What are the water pump impellers made of?



 Brian



 Em Tue, 04 Nov 2008 09:46:48 -0200, K Dilks <kevin.dilks(at)liwest.at> 

 escreveu:



> 

>

> The gloop is often formed over time when some one has use a little 

> grease or spray ( WD40) to put the pipes on or off with. with the 

> heat and glycol a small amount of the the rubber tubeing is dissolved.

>

> Never spray wd 40 type of lube in the hose as this softens the rubber.

> Hope this is of use

>

>  Kev

>

> --------

> Austria ...guess where I work!

>

>

> Read this topic online here:

>

> http://forums.matronics.com/viewtopic.php?p 12212#212212

>

>



ca

z601(at)anemicaardvark.co
Guest

Posted: Tue Nov 04, 2008 6:34 am Post subject: Strange goop in the overflow bottle

On Tuesday 04 November 2008 07:04, K Dilks wrote:

 	  Quote: 	
		   



 Water they sell for batterys is the stuff,or for irons.




	


In the U.S., the stuff you're describing is sold as "distilled water." Even my 

grocery store carries it.

==============================================

Those who can, do. Those who can't, sue.

=================================================

               Jim B. Belcher

    BS, MS Physics, math, Computer Science

                  A&P/IA

           Instrument Rated Pilot

     General Radio Telephone Certificate

=================================================

K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Nov 04, 2008 6:49 am Post subject: Re: Strange goop in the overflow bottle

........and further down the page it said,



  or if into making hooch just distille some in your rig..... 

  Kev



LOL



 	  z601(at)anemicaardvark.co wrote: 	
		  On Tuesday 04 November 2008 07:04, K Dilks wrote:

 	  Quote: 	
		   



 Water they sell for batterys is the stuff,or for irons.

	


In the U.S., the stuff you're describing is sold as "distilled water." Even my 

grocery store carries it.

==============================================

Those who can, do. Those who can't, sue.

=================================================

               Jim B. Belcher

    BS, MS Physics, math, Computer Science

                  A&P/IA

           Instrument Rated Pilot

     General Radio Telephone Certificate

=================================================

_________________
Back home .................

bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Tue Nov 04, 2008 8:46 am Post subject: Strange goop in the overflow bottle

Distilled water works just as well and should be commonly available.



Deionized water is just water that has been passed though a device  

that removes the dissolved ionic compounds using electrically charged  

plates and permeable membranes. The process is nearly as effective at  

purifying water as distillation but requires less energy and can  

quickly produce large quantities of purified water.

 	  Quote: 	
		  

 

 >



 Thanks for the informed replies. Can you help out a little more and  

 explain de-ionized water? If it is not available commercially, can  

 it be "made"?



 Brian in Brazil




	




-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

brianrobertwood(at)gmail.
Guest

Posted: Tue Nov 04, 2008 8:55 am Post subject: Strange goop in the overflow bottle

Thanks, that clears things up for me. All the gasoline stations here have  

distilled water, but I don't recall seeing "de-ionized" water.



Brian in Brazil



Em Tue, 04 Nov 2008 14:45:08 -0200, Bryan Martin  

<bryanmmartin(at)comcast.net> escreveu:



 	  Quote: 	
		   

 <bryanmmartin(at)comcast.net>



 Distilled water works just as well and should be commonly available.



 Deionized water is just water that has been passed though a device that  

 removes the dissolved ionic compounds using electrically charged plates  

 and permeable membranes. The process is nearly as effective at purifying  

 water as distillation but requires less energy and can quickly produce  

 large quantities of purified water.

>

> 

> <brianrobertwood(at)gmail.com>

>

> Thanks for the informed replies. Can you help out a little more and  

> explain de-ionized water? If it is not available commercially, can it  

> be "made"?

>

> Brian in Brazil

>


	


-- 

Usando o revolucionário cliente de e-mail do Opera:  

http://www.opera.com/mail/

ggower_99(at)yahoo.com
Guest

Posted: Tue Nov 04, 2008 12:58 pm Post subject: Strange goop in the overflow bottle

Agua bi-destilada  in spanish.  

 Saludos

 Gary Gower.

 do not archive.



--- On Tue, 11/4/08, K Dilks <kevin.dilks(at)liwest.at> wrote:



  	  Quote: 	
		  From: K Dilks <kevin.dilks(at)liwest.at>

Subject: Re: Strange goop in the overflow bottle

To: zenith601-list(at)matronics.com

Date: Tuesday, November 4, 2008, 8:04 AM



 	  Quote: 	
		  --> Zenith601-List message posted by: "K Dilks"

<kevin.dilks(at)liwest.at>



Water they sell for batterys is the stuff,or for irons.



 Coolant for Toyota, BMW, and Merc all good as the only have aluminium

compatable stuff. look out for some GM stuff as not good, for iron block motors

only.





 or if into making hooch just distille some in your rig.....

Kev



--------

Austria ...guess where I work!





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p 12224#212224





	
	


         [quote][b]

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