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Engine and radiator hoses

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paul.the.aviator(at)gmail
Guest

Posted: Sat Jan 03, 2009 10:32 am Post subject: Engine and radiator hoses

Hi all



Some time ago someone posted a few pictures of blue silicone hoses for

the rotax engine and radiator.  I was wondering who that was and if

the hoses turned out to be a success.



Thanks,  Paul

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Gilles.Thesee(at)ac-greno
Guest

Posted: Sat Jan 03, 2009 11:04 am Post subject: Engine and radiator hoses

Paul McAllister a écrit :

 	  Quote: 	
		   Some time ago someone posted a few pictures of blue silicone hoses for

 the rotax engine and radiator.  I was wondering who that was and if

 the hoses turned out to be a success.

   


	


Paul and all,



When installing our 914, someone had installed blue silicone hoses, and 

showed really great pictures of his engine. As the price of those 

"racing-car" hoses was high, we were induced into thinking that we would 

get what we were paying for from this race-car online shop.



The result was disappointing :



- Those hoses are slippery, and tend to slip out of their fittings 

despite dual hose clamps. Scary when it concern oil lines. They needed 

constant surveillance.

- They are rather bulky, and hard to route in our really cramped 

cowling. But I understand that the Europa is somewhat larger in this 

respect.

- They are very flimsy, and this may prove critical concerning oil 

aspiration from the oil tank when cold (see relevant Rotax SBs)

- The soft material gets cut by the clamps we were using.

- And most important, this multiple layer blue material was porous : it 

started "sweating" oil through the hose walls from day one on every 

line. No measurable amount, though, but enough to make things a bit 

untidy, and make us worry about our circuits liquid-tightness. Nothing 

visible with radiator



Bottom line, we finally replaced them with regular rubber-based hoses, 

and dumped the sticky blue stuff. No problem since.

Took some pictures at the time, for a future information page on Contrails.



Caveat builder 

FWIW,



With Best Wishes,

-- 

Gilles

http://contrails.free.fr

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karelvranken(at)hotmail.c
Guest

Posted: Sat Jan 03, 2009 1:41 pm Post subject: Engine and radiator hoses

Hi Paul,

If my memory is still intact it was Svein Jonhsen 

sidsel.svein(at)oslo.online.no who refered to a Swedish man perhaps Stefan 

Ingmarsson who used that kind of blue hoses. I don't know if it was with 

success. You may ask him directly about.

Kind regards,

Karel Vranken.

---

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Ivor Phillips

Joined: 16 Jan 2006
Posts: 253
Location: London UK

Posted: Sat Jan 03, 2009 1:51 pm Post subject: Engine and radiator hoses

Hi Gilles

I wouldn't use Silicone for oil or fuel its NOT a suitable material,

But its use for water/ glycol mix is recommended, If you use the latest Rotax type spring clamps it will stop any weapage due to expansion and contraction,

I have changed all my coolant pipes to silicone and after 130 hours havenâ€™t lossed a drop, IMHO they are superior to the rubber hose supplied by Europa,

regards

Ivor

---- Gilles Thesee <Gilles.Thesee(at)ac-grenoble.fr> wrote: 

 	  Quote: 	

 Paul McAllister a Ã©crit :

 > Some time ago someone posted a few pictures of blue silicone hoses for

 > the rotax engine and radiator.  I was wondering who that was and if

 > the hoses turned out to be a success.

 >   

 Paul and all,

 When installing our 914, someone had installed blue silicone hoses, and 

 showed really great pictures of his engine. As the price of those 

 "racing-car" hoses was high, we were induced into thinking that we would 

 get what we were paying for from this race-car online shop.

 The result was disappointing :

 - Those hoses are slippery, and tend to slip out of their fittings 

 despite dual hose clamps. Scary when it concern oil lines. They needed 

 constant surveillance.

 - They are rather bulky, and hard to route in our really cramped 

 cowling. But I understand that the Europa is somewhat larger in this 

 respect.

 - They are very flimsy, and this may prove critical concerning oil 

 aspiration from the oil tank when cold (see relevant Rotax SBs)

 - The soft material gets cut by the clamps we were using.

 - And most important, this multiple layer blue material was porous : it 

 started "sweating" oil through the hose walls from day one on every 

 line. No measurable amount, though, but enough to make things a bit 

 untidy, and make us worry about our circuits liquid-tightness. Nothing 

 visible with radiator

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rparigor(at)suffolk.lib.n
Guest

Posted: Sat Jan 03, 2009 2:14 pm Post subject: Engine and radiator hoses

Hi Gilles



Silicone hose is suitable for coolant and intake.



It is not well suited for fuel or oil.



See www.mcmaster.com



search  51845KAC



I have a set of blue silicone hoses for coolant and intercooler. It was

purchased from the guy who was advertising them in the Europa Clubs

newsletter.



Best use constant tension spring type clamps if you can. Some race car

guys that really turn up turbo have them pop off. One secret that seems to

work is they clean and install with hairspray on intake.

Ron Parigoris

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Gilles.Thesee(at)ac-greno
Guest

Posted: Sat Jan 03, 2009 2:22 pm Post subject: Engine and radiator hoses

ivor.phillips(at)ntlworld.com a Ã©crit :

 	  Quote: 	
		   I wouldn't use Silicone for oil or fuel its NOT a suitable material,

 But its use for water/ glycol mix is recommended, If you use the latest Rotax type spring clamps it will stop any weapage due to expansion and contraction,

 I have changed all my coolant pipes to silicone and after 130 hours havenâ€™t lossed a drop, IMHO they are superior to the rubber hose supplied by Europa,

   

Ivor,
	




Thank you for the info.

I must say that we never lost a drop of water, whatever the hoses. The 

cylinder head to expansion tank hoses and clamps came with the engine.

Out of memory the fuel lines are Aeroquip 601 or something.



Best regards,

-- 

Gilles

http://contrails.free.fr

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kheindl(at)msn.com
Guest

Posted: Sat Jan 03, 2009 5:25 pm Post subject: Engine and radiator hoses

 

 Paul C

  

 I bought the two silicone hoses to/from radiator from Ingmarsson in Sweden C but by the time you pay for shipping C paypal fee C and taxes C I ended up paying almost 200 dollars. You can buy several sets of rubber hoses from Europa for that. I replaced the other coolant hoses with silicone hoses from ACS. I use ss hose clips C but may change to those oetiker clips.

  

 Karl

 





 	  Quote: 	
		   Date: Sat C 3 Jan 2009 12:29:52 -0600

 From: paul.the.aviator(at)gmail.com

 To: europa-list(at)matronics.com

 Subject: Engine and radiator hoses

 

 --> Europa-List message posted by: "Paul McAllister" <paul.the.aviator(at)gmail.com>

 

 Hi all

 

 Some time ago someone posted a few pictures of blue silicone hoses for

 the rotax engine and radiator. I was wondering who that was and if

 the hoses turned out to be a success.

 

 Th======================

&gt==================
	


[quote] 

 

 

   	  Quote: 	
		  [b]

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air.guerner(at)orange.fr
Guest

Posted: Sun Jan 04, 2009 9:17 am Post subject: Engine and radiator hoses

Hi  Paul,

  

 I have  installed the blue silicone hoses from Stefan Ingemarsson on the water radiator   and am very happy with them. The replacement was done one and a half year  and 150 flying hours ago. The silicone is a lot better than the original  rubber material for withstanding the heat radiated by the  exhaust. Expensive but absolutely worth it in my  opinion.

 Regards

 Remi

 F-PGKL

 630 hours now

  

    



Hi  all



Some time ago someone posted a few pictures of blue silicone hoses  for

the rotax engine and radiator.  I was wondering who that was and  if

the hoses turned out to be a  success.



    [quote][b]

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cptimm(at)telus.net
Guest

Posted: Sun Jan 04, 2009 10:40 am Post subject: Engine and radiator hoses

I am also flying with the silicone hoses from  Stefan Ingemarsson in Sweden and find them to be very high quality and easy to  install. For the spring-clips I could not find a special tool and used an old  pair of two-position pliers, which worked like a charm. Europa Aircraft could  not supply the formed hoses for the classic mono-wheel at the time.  

  

 I also recently finished and installed fairings for  the main wheel and have flown with that installation for a few hours. It turns  out, that there is lots of room for a landing light in the forward part of the  fairing, which is attached to the swinging arm. I have made moulds for the  two-part fairings and could produce the moldings for interested parties.  

  

 Peter Timm

 #110

  

  

  

  

  

 [quote]   ---

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