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oil cooler overhaul

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skidmk

Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

Posted: Sun Feb 24, 2013 3:19 pm Post subject: oil cooler overhaul

Looking like the oil cooler is starting to leak.  Overhaul time.  Any recommendations out there?  Cheaper to replace?  Thoughts?



Mike

CJ6A Housai equipped

_________________
Mike "Skidmk" Bourget
Ottawa, Ontario

dougsappllc(at)gmail.com
Guest

Posted: Mon Feb 25, 2013 8:23 am Post subject: oil cooler overhaul

Mike and all,Back in the office today after a short break from the cold and snow.

Mike, I have both new and used coolers in stock. 

Best,

Doug



 

On Sun, Feb 24, 2013 at 1:19 PM, skidmk <skidmk(at)gmail.com (skidmk(at)gmail.com)> wrote:

[quote] --> Yak-List message posted by: "skidmk" <skidmk(at)gmail.com (skidmk(at)gmail.com)>

 

 Looking like the oil cooler is starting to leak.  Overhaul time.  Any recommendations out there?  Cheaper to replace?  Thoughts?

 

 Mike

 CJ6A Housai equipped

 

 --------

 Mike &quot;Skidmk&quot; Bourget

 Ottawa, Ontario

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=394955#394955

 

 

 

 

 

 

 

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 [b]

Harv

Joined: 01 Jul 2010
Posts: 172

Posted: Tue Feb 26, 2013 6:19 am Post subject: Re: oil cooler overhaul

Talking of oil coolers for the CJ6....



Has anyone replicated it in modern materials or come up with an off the shelf usable alternative?



I removed mine for internal cleaning and was absolutely staggered by the weight of it..... Its brass and probably weights about 25kg!



You'd gain some good performance if a firm like 'MOCAL' would replicate it in aluminum.



Any ideas?



Rgs

Harv

mikspin

Joined: 12 Aug 2007
Posts: 66

Posted: Tue Feb 26, 2013 9:07 am Post subject: Re: oil cooler overhaul

i have a guy building up a modified cooler for a Yak 52TW.  He has experience with a variety of aircraft coolers as well as items such as Mustang radiators.  Contact me off list for info.



Mike Hastings

mark.bitterlich(at)navy.m
Guest

Posted: Tue Feb 26, 2013 10:02 am Post subject: oil cooler overhaul

Is there a reason you don't feel comfortable putting his name and number

here?  



Just curious... nothing bad meant by it.  



Mark

--

rmhou(at)yahoo.com
Guest

Posted: Tue Feb 26, 2013 12:33 pm Post subject: oil cooler overhaul

"... an off the shelf usable alternative?"

I was just thinking about the same thing for my CJ recently. However, my motivation is not for weight saving. I was thinking mounting the oil cooler inside the engine cowling. The advantages seem to be a shorter run of the oil hoses, easier hose replacement and possible cabin heat using the oil cooler. What do you think?





        From: Harv <martin.harvey(at)kbr.com>

 To: yak-list(at)matronics.com 

 Sent: Tuesday, February 26, 2013 6:19 AM

 Subject: Re: oil cooler overhaul

  

 

 --> Yak-List message posted by: "Harv" <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)>



Talking of oil coolers for the CJ6....



Has anyone replicated it in modern materials or come up with an off the shelf usable alternative?



I removed mine for internal cleaning and was absolutely staggered by the weight of it..... Its brass and probably weights about 25kg!



You'd gain some good performance if a firm like 'MOCAL' would replicate it in aluminum.



Any ideas?



Rgs

Harv





Read this topic online here:



http://forums.matronics.com/view                     -Mat===============



 

 

   

 [quote][b]

dougsappllc(at)gmail.com
Guest

Posted: Tue Feb 26, 2013 12:53 pm Post subject: oil cooler overhaul

I have not done the numbers but I am afraid that you would have to add a ton of weight to the tail to off set moving the oil cooler to the firewall.  



Doug



On Tue, Feb 26, 2013 at 12:28 PM, Robin Hou <rmhou(at)yahoo.com (rmhou(at)yahoo.com)> wrote:

 [quote]"... an off the shelf usable alternative?"

 



 I was just thinking about the same thing for my CJ recently. However, my motivation is not for weight saving. I was thinking mounting the oil cooler inside the engine cowling. The advantages seem to be a shorter run of the oil hoses, easier hose replacement and possible cabin heat using the oil cooler. What do you think?

 



         From: Harv <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)>

  To: yak-list(at)matronics.com (yak-list(at)matronics.com) 

 Sent: Tuesday, February 26, 2013 6:19 AM

  Subject: Re: oil cooler overhaul

  

 

 --> Yak-List message posted by: "Harv" <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)>



Talking of oil coolers for the CJ6....



Has anyone replicated it in modern materials or come up with an off the shelf usable alternative?

 

I removed mine for internal cleaning and was absolutely staggered by the weight of it..... Its brass and probably weights about 25kg!



You'd gain some good performance if a firm like 'MOCAL' would replicate it in aluminum.

 

Any ideas?



Rgs

Harv





Read this topic online here:



http://forums.matronics.com/view                     -Mat===============

 





 

 

   

  	  Quote: 	
		  



et="_blank">http://www.matronics.com/Navigator?Yak-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

samira.h(at)shaw.ca
Guest

Posted: Tue Feb 26, 2013 4:09 pm Post subject: oil cooler overhaul

Mike,



some time ago I have met a guy who

was not happy with the performance

of the oil cooler in his CJ.



He told me he installed a Broussard/Stearman

oil cooler instead and it works like a charm.



Can't remember his name but he might

read this list and tell us more.

cheers



Elmar

wlannon(at)shaw.ca
Guest

Posted: Tue Feb 26, 2013 6:47 pm Post subject: oil cooler overhaul

Hi Mike;



See if you can determine where it's leaking from.  If from a fitting that is 

likely repairable without too much trouble. If leaking from the core it will 

need overhaul or replacement.



There are two overhaul facilities I know of.   Ultimate Oil Cooler in 

Winnipeg (in the Aero Recip. facility) and Pacific Oil Cooler in the Los 

Angeles area.  Been meaning to look up the contact info. at the hangar but 

keep forgetting.  I have used both over the years.  I suspect there are more 

in the far east (Toronto or Montreal) but don't know.



A core leak can be very expensive to repair so if that is the problem you 

may want to get a new one from Doug.



Cheers;

Walt



--

skidmk

Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

Posted: Wed Feb 27, 2013 1:58 pm Post subject: Re: oil cooler overhaul

Thanks fella,,, we'll take it out this weekend and check it for problem.  Given the cost of shipping, and then finding out it will cost a ton to repair.  We'll probably just pony up and send Doug some spring cash    



M

_________________
Mike "Skidmk" Bourget
Ottawa, Ontario

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