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  #1  
Old 11-12-2014, 08:31 AM
Peterk Peterk is offline
 
Join Date: Mar 2008
Location: Texas
Posts: 1,378
Default Five Year Hose Replacement

Just curious. As my 12 comes upon its 5 year mark I have to consider how to deal with the Rotax recommendation to change all hoses. Obviously, this time frame has proven to be a point of failure in more than one case or Rotax would not suggest it. I'm sure there are hoses that last longer and those that do not.

All that said, has anyone changed all of theirs yet...or plan to soon? My understanding is that the recommendation includes carburetor rubber elements, fuel lines and coolant lines. I replaced the carburetor elements just recently because they did in fact fail...so it does happen. I have not replaced any others as of yet. My 12 is five years old this month with 600 plus hours.

Would be interested in what the factory did since they have 5 year old aircraft as well. Both the red one and the blue one on the east coast would quality. Did Van's change all of the hoses?

Not sure anyone wants to blow a radiator hose (or fuel hose) in flight. As I said, just curious. Thanks.
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  #2  
Old 11-12-2014, 09:51 AM
664781 664781 is offline
 
Join Date: Jan 2005
Location: Powder Springs, Ga
Posts: 309
Default Hoses

I used A/C grade medium press hose instead of the Rotax ones. You will have to use the 1 molded collant hose from Rotax. No options on the radiator hose though.
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  #3  
Old 11-12-2014, 09:58 AM
RFSchaller RFSchaller is offline
 
Join Date: Oct 2010
Location: Phoenix, AZ
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Default

When I was a teenager I had a FIAT in the days when they were few and far between. I had a hard time getting regional parts and replaced its molded radiator hose with a muti-ply hose that was flexible enough to make all those twists and turns. That might be an option on the ROTAX one if it's too expensive.
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  #4  
Old 11-12-2014, 10:01 AM
mrt890 mrt890 is offline
 
Join Date: May 2008
Location: Friday Harbor, Wa
Posts: 300
Default

Quote:
Originally Posted by 664781 View Post
I used A/C grade medium press hose instead of the Rotax ones. You will have to use the 1 molded collant hose from Rotax. No options on the radiator hose though.
What size hose did you use, metric or something close.
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  #5  
Old 11-12-2014, 10:35 AM
RGaines RGaines is offline
 
Join Date: Aug 2007
Location: Novato, CA
Posts: 151
Default Hoses

I recall reading that the hoses are not Rotax hoses but ones fabricated by Van's and are not affected by the 5 year replacement. I don't know where I read it and I hope I am not making it up.

Rich
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  #6  
Old 11-12-2014, 10:37 AM
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akarmy akarmy is offline
 
Join Date: Jan 2005
Location: Auburn, WA
Posts: 668
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On my 912 powered Kitfox I did the 5 year replacement this last year. Like many I was suspect of the process since everything was working fine and showing no signs of leaking or problems.

Once I got all the lines off you could see the hoses breaking down and starting to get cracks in some of them. I was glad to have done it. But it was not very much fun. You can't really see the issues until you look inside. Mostly the coolant hoses looked the worst.

At the same time I had Tom From TSFlight lines make up new fuel lines FWF out of teflon hose and firesleve so those will now be lifetime hoses.

The carb rubber parts looked fine when removed, but I replaced them anyways.
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  #7  
Old 11-12-2014, 12:54 PM
Loki Loki is offline
 
Join Date: Oct 2014
Location: Marysvale, UT
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A good read on this is on the Rotax-Owner forum in the blog section. I think it is page number 4 and it is a two part article.
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  #8  
Old 11-12-2014, 01:35 PM
Bavafa Bavafa is offline
 
Join Date: Oct 2007
Location: Sacramento, CA
Posts: 3,351
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Just wondering if this is also recommended for other engines such as Lycoming. A friend told me that the fuel lines will need replacing every five years.

Thoughts????
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  #9  
Old 11-12-2014, 01:55 PM
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bhassel bhassel is offline
 
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You might look at these:

https://www.tsflightlines.com/new-releases.html

I'm not affiliated in any way nor have I tried the product...

Bob
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  #10  
Old 11-12-2014, 08:54 PM
Peterk Peterk is offline
 
Join Date: Mar 2008
Location: Texas
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lots of interesting thoughts and actions...wonder what Van's did with their two? Scott?
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