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Coolant Radiator

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goff

Joined: 18 Jan 2007
Posts: 71

Posted: Wed Oct 23, 2013 4:12 am Post subject: Coolant Radiator

The coolant radiator in G-CHOX (XS Rotax 912ULS) is leaking. We need to replace it asap. Europa O4 are out of stock.



Does anyone know of any other source?



Goff Moore

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The leaking radiator

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pjlevi(at)gmail.com
Guest

Posted: Wed Oct 23, 2013 5:36 am Post subject: Coolant Radiator

Goff,

  Mine is a Rotax UL but I had the same problem last April and Europa factory could not help.  It is actually a motor cycle radiator and my engineer contacted the original manufacturers (who had previously supplied Europa).  I know they provided an excellent service very quickly, they did not replace the radiator but repaired it and gave it a full renovation job for about a third of the cost Europa would have charged for a new one.  It came back looking like new and in perfect condition.

  



I have spoken to my engineer and inspector, Gary Johnson, he recalls (from memory) it was a company in Saffron Walden, but will check out the name and contact details tonight and send them to you.  He can be contacted on <thehighflyer(at)aol.com (thehighflyer(at)aol.com)> .  

  



I have just searched on Google and found a firm of motor cycle repairers and restorers in Saffron Walden called Motorcycle Restoration Company (next to Audley End Station), Unit 3, Wenden Court, Station Road, Wendens Ambro, Saffron Walden, Essex, CB11 4LB, tel. 01799 542323/07734 591456, www.motorcyclerestorationcompany.com.  There is also another motorcycle shop in Saffron Walden, Bert's Motorcycles, 13b Debden Road, Saffron Walden, Essex, CB11 4AA, Tel. 01799 525611.  I have no idea whether it was either of them or neither, but worth a phone call. Otherwise contact Gary tonight or he will contact you.

  



Yours sincerely,

  Philip

  



Philip J. Levi



 

 

Europa Monowheel Classic, G-BWWB , based at Old Warden.



  



 



On 23 October 2013 13:12, goff <goffmoore(at)aol.com (goffmoore(at)aol.com)> wrote:

[quote]  --> Europa-List message posted by: "goff" <goffmoore(at)aol.com (goffmoore(at)aol.com)>

 

 The coolant radiator in G-CHOX (XS Rotax 912ULS) is leaking. We need to replace it asap. Europa O4 are out of stock.

 

 Does anyone know of any other source?

 

 Goff Moore

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=411177#411177

 

 

 

 

 Attachments:

 

 http://forums.matronics.com//files/rad_dimensions_115.jpg

 

 

 

 

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  target="_blank">http://www.matronics.com/Navigator?Europa-List

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 http://forums.matronics.com

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 le, List Admin.

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

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mike.davies210(at)gmail.c
Guest

Posted: Wed Oct 23, 2013 5:55 am Post subject: Coolant Radiator

Try Neville Eyre he may be able to help

 He had one made for me last year 

Mike G-MLXP On Oct 23, 2013 1:15 PM, "goff" <goffmoore(at)aol.com (goffmoore(at)aol.com)> wrote:[quote] --> Europa-List message posted by: "goff" <goffmoore(at)aol.com (goffmoore(at)aol.com)>

 

 The coolant radiator in G-CHOX (XS Rotax 912ULS) is leaking. We need to replace it asap. Europa O4 are out of stock.

 

 Does anyone know of any other source?

 

 Goff Moore

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=411177#411177

 

 

 

 

 Attachments:

 

 http://forums.matronics.com//files/rad_dimensions_115.jpg

 

 

 

 

 ===========

  target="_blank">http://www.matronics.com/Navigator?Europa-List

 ===========

 http://forums.matronics.com

 ===========

 le, List Admin.

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

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 [b]

kjburns(at)btinternet.com
Guest

Posted: Wed Oct 23, 2013 6:04 am Post subject: Coolant Radiator

Try Richard at 

http://www.eesaviation.com/  Has had radiators repaired, and if really bad re-cored , his contact details are 



 01858 880807 His hanger / workshop is at Coventry Gliding club ...Hanger 3 , LE17 6JJ, 



Regards

Kevin

        From: goff <goffmoore(at)aol.com>

 To: europa-list(at)matronics.com 

 Sent: Wednesday, 23 October 2013, 13:12

 Subject: Europa-List: Coolant Radiator

  

 

--> Europa-List message posted by: "goff" <goffmoore(at)aol.com (goffmoore(at)aol.com)>



The coolant radiator in G-CHOX (XS Rotax 912ULS) is leaking. We need to replace it asap. Europa O4 are out of stock.



Does anyone know of any other source?



Goff Moore





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=411177#411177





Attachments: 



http://forums.matronics.com//files/rad_dimensions_115.jpst" target="_blank">http://www.matronics.com/Navigator?Europa-List [quote][b]

ptag.dev(at)tiscali.co.uk
Guest

Posted: Wed Oct 23, 2013 6:08 am Post subject: Coolant Radiator

Hi! Geoff ........from the dim and distant past I'm thinking Matco/Masters

Auto Radiators but I can't seem to turn up anything other than that probably

Neville will jump in with a conversion part number. I would have thought

Europa would give you a guide

Regards

Bob Harrison. G-PTAG



--

frans(at)privatepilots.nl
Guest

Posted: Thu Oct 24, 2013 1:55 am Post subject: Coolant Radiator

-----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1

Take a look at www.aluminiumradiators.com

They produce the Rotax radiators. The quality is high, support is

excellent and the prices are very reasonable.

They are also quite easy at building radiators at custom spec. I had

my special radiator made there too.



If you replace the standard SX-radiator, you might consider to make it

"thinner" (less "depth"). Although this sounds contradictionary, this

improves the airflow through the radiator and enhances cooling. The

standard radiator is way too thick.



Think about it this way: the air flowing through the radiator is

picking up heat. When it arrives at the rear half of the radiator, the

air has been warmed up during its journey through the front half, and

is unable to offer much further cooling.



The math says that if you double the depth of the radiator with 100%,

it only offers 25% more cooling. However the airflow reduces due to

internal friction, so at some point a thicker radiator will even offer

less cooling than a thinner one. The Europa-XS radiator is way past

the top of that curve, especially at lower airspeeds (like on the ground).



You won't find such a thick radiator in other modern airplanes. Yes,

the P51 had a thick radiator, but it was flying with quite a different

speed than your Europa.



In my airplane I have a thin radiator, and it was only when I took out

the large bulky radiator that all my cooling issues disappeared.



So, if you have to swap your radiator anyway, it might well worth it

to allow for a little improvement.



Frans

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goff

Joined: 18 Jan 2007
Posts: 71

Posted: Thu Oct 24, 2013 7:42 am Post subject: Re: Coolant Radiator

Philip, Gary, Mike, Kevin, Bob & Frans,



Thanks so much for your replies, so many good sources out there. I've learned a lot.



Based on Philip & Gary's recommendation we shipped our radiator for repair today to  http://www.gmxradiators.co.uk/



This is probably the cheapest and easiest option for us at the moment, but I love Frans' idea of a thinner rad. For five years we've had to manage coolant temperatures rather than forget about them. We'll certainly look into this.



Goff

goff

Joined: 18 Jan 2007
Posts: 71

Posted: Thu Oct 24, 2013 7:58 am Post subject: Re: Coolant Radiator

Frans,



Your link to www.aluminiumradiators.com doesn't work.

Do you have another?



Goff

N6ZY

Joined: 08 Aug 2011
Posts: 31

Posted: Thu Oct 24, 2013 8:17 am Post subject: Coolant Radiator

The correct address is www.aluminiumracing.com, and I can vouch for the quality of their rads.  The one I got from them was beautifully made, and considerably cheaper than the Rotax one.



Jerry Fisher

On Oct 24, 2013, at 11:58 AM, goff wrote:



 	  Quote: 	
		   

 

 Frans,

 

 Your link to www.aluminiumradiators.com doesn't work.

 Do you have another?

 

 Goff

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=411322#411322

neveyre(at)aol.com
Guest

Posted: Thu Oct 24, 2013 8:34 am Post subject: Coolant Radiator

Philip,

  I'm afraid I have to tell you, you are talking out of your southern hemisphere !

  The XS radiator was made specifically for Europa, by a well established Motorsport supplier, never was from a motorcycle, and not from anyone in Saffron Walden, or in fact anywhere in Essex. I know who and where, 'aint in Essex !

  The company who make these for Europa have a very long lead time, I understand a new batch is due to arrive at Europa some time very soon. Having one custom made will cost more than having a stock one from Europa.

  Having said that, I would look at having the original one repaired, any good alloy welder could do it easily. Do a pressure test, in a bucket of water to be sure all is well before refitting.

  Cheers,

  Nev.

  

  

  --

paul.the.aviator(at)gmail
Guest

Posted: Thu Oct 24, 2013 8:46 am Post subject: Coolant Radiator

Hi 



Had mine repaired and pressure tested for $50 by local radiator shop. Failing that I have a second hand one that I probably won't use if you want to buy it.

 Paul

On Thu, Oct 24, 2013 at 11:33 AM, Neville Eyre <neveyre(at)aol.com (neveyre(at)aol.com)> wrote:

 [quote] Philip,

  I'm afraid I have to tell you, you are talking out of your southern hemisphere !

  The XS radiator was made specifically for Europa, by a well established Motorsport supplier, never was from a motorcycle, and not from anyone in Saffron Walden, or in fact anywhere in Essex. I know who and where, 'aint in Essex !

   The company who make these for Europa have a very long lead time, I understand a new batch is due to arrive at Europa some time very soon. Having one custom made will cost more than having a stock one from Europa.

   Having said that, I would look at having the original one repaired, any good alloy welder could do it easily. Do a pressure test, in a bucket of water to be sure all is well before refitting.

   Cheers,

  Nev.

  

  

  --

tonyrenshaw268(at)gmail.c
Guest

Posted: Thu Oct 24, 2013 1:38 pm Post subject: Coolant Radiator

Hi Philip,I live in the Southern Hemisphere, and whilst I know most of the worlds population doesn't, we have feelings down under. We aren't precious though.



TR



[quote]On Thu, Oct 24, 2013 at 11:33 AM, Neville Eyre <neveyre(at)aol.com (neveyre(at)aol.com)> wrote:

 [quote] Philip,

  I'm afraid I have to tell you, you are talking out of your southern hemisphere !

  The XS radiator was made specifically for Europa, by a well established Motorsport supplier, never was from a motorcycle, and not from anyone in Saffron Walden, or in fact anywhere in Essex. I know who and where, 'aint in Essex !

   The company who make these for Europa have a very long lead time, I understand a new batch is due to arrive at Europa some time very soon. Having one custom made will cost more than having a stock one from Europa.

   Having said that, I would look at having the original one repaired, any good alloy welder could do it easily. Do a pressure test, in a bucket of water to be sure all is well before refitting.

   Cheers,

  Nev.

  

  

  --

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