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Need radiator!

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Rical26

Joined: 27 Mar 2008
Posts: 15

Posted: Fri Jun 04, 2010 8:41 pm Post subject: Need radiator!

Hi, I'm on this list for about 1 year, read every e-mail  but never put 

my 2 cents!!!I'm looking for an aluminum radiator  for my rotax 582

You can e-mail me at rical26(at)rogers.com

Thanks!



Richard

Carlsbad Springs Ontario Canada

Kitfox 4 582 C 123hours C-FPVV

- The Matronics Kitfox-List Email Forum -

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dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sat Jun 05, 2010 2:16 am Post subject: Re: Need radiator!

I would be interested in how an aluminum rad works over a copper/brass rad.   I don't think that the aluminum will dissipate the heat better.



Do you have heat troubles now ?

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_________________
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Rical26

Joined: 27 Mar 2008
Posts: 15

Posted: Sat Jun 05, 2010 4:59 am Post subject: Need radiator!

HI Dave, there is a dent in the middle of the rad, it's rotten, fins are 

starting to detach and I  have heat problem. So,I'm looking for a new 

rad and I wanted to try the aluminum rad, according to some people I can 

lower the temps by 20 degree! Anybody  with a 582 and an aluminum rad?



Richard

Carlsbad Springs Ontario Canada

Kitfox 4 582 C 123hours C-FPVV



dave wrote:

 	  Quote: 	
		   



 I would be interested in how an aluminum rad works over a copper/brass rad.   I don't think that the aluminum will dissipate the heat better.



 Do you have heat troubles now ?



 --------

 Rotax Dealer, Ontario Canada

 http://www.cfisher.com/

 Awesome *New Forum *

 http://rotaxaircraft.com/forum/

 Realtime Kitfox movies to separate  the internet  chatter from the truth  

 http://www.youtube.com/profile_videos?user=kitfoxflyer





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=300102#300102

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sat Jun 05, 2010 6:07 am Post subject: Re: Need radiator!

Richard,



I would get more than one proven result on changing from Copper to Aluminum without changing the area. The kitfox Rad is about 80 square inches and about 2 inches thick.  Making it thicker will not do much.  I think by getting a custom rad 2 to 3 inches thick and adding 1 in taller will help as you will increase the area by 25%. I don't think that this will cause and speed loss as the Kitfox is drag machine already. 



Alum rads in my opinion are not as strong as the Copper/brass rads in our application. Ours are bolted solidly. Aluminum will can case harden and cause cracking. Alum rads should be rubber mounted.



Here is some stuff I did a few years ago with good success. 

http://www.cfisher.com/cowl.html



One other thing is to use 90% distilled water and 10% dexcool. You will get better cooling this way.



I have 2  model 2  here right now that run 180 to 190 F and I might get a custom rad done as above. But it will be costly.   400 to 600$  each I bet.

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

Rical26

Joined: 27 Mar 2008
Posts: 15

Posted: Sat Jun 05, 2010 1:22 pm Post subject: Need radiator!

Thanks Dave..... everything makeS a lot of sense!! As for mixing, right 

now I have 50-50 and run at about 190F. Like you suggest, 90-10%, what 

about winter?



Thanks



Richard



Carlsbad Springs Ontario Canada



Kitfox 4 582 C 123hours C-FPVV





dave wrote:

 	  Quote: 	
		   



 Richard,



 I would get more than one proven result on changing from Copper to Aluminum without changing the area. The kitfox Rad is about 80 square inches and about 2 inches thick.  Making it thicker will not do much.  I think by getting a custom rad 2 to 3 inches thick and adding 1 in taller will help as you will increase the area by 25%. I don't think that this will cause and speed loss as the Kitfox is drag machine already. 



 Alum rads in my opinion are not as strong as the Copper/brass rads in our application. Ours are bolted solidly. Aluminum will can case harden and cause cracking. Alum rads should be rubber mounted.



 Here is some stuff I did a few years ago with good success. 

 http://www.cfisher.com/cowl.html



 One other thing is to use 90% distilled water and 10% dexcool. You will get better cooling this way.



 I have 2  model 2  here right now that run 180 to 190 F and I might get a custom rad done as above. But it will be costly.   400 to 600$  each I bet.



 --------

 Rotax Dealer, Ontario Canada

 http://www.cfisher.com/

 Awesome *New Forum *

 http://rotaxaircraft.com/forum/

 Realtime Kitfox movies to separate  the internet  chatter from the truth  

 http://www.youtube.com/profile_videos?user=kitfoxflyer





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=300116#300116

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sun Jun 06, 2010 3:46 am Post subject: Re: Need radiator!

Winter you have to increase the antifreeze again.

I like to get mine good to -25 to -35 C --  I have seen it go to slush before. 



You want a new rad?   I got one guy that might go for a new one soon. 



Will let you know

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

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