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  #11  
Old 11-06-2018, 09:43 PM
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AndyRV7 AndyRV7 is offline
 
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Quote:
Originally Posted by Sam Buchanan View Post
Tom, I'm not suggesting anyone delay replacing hoses. However, the stainless braided hose with rubber lining that I've used in the RV-6 since 1999 have never shown any form of failure or lack of flexibility each time I have rebuilt them. This gives me confidence the hoses are reliable for my service intervals.

Just another data point.
My mechanic said the same thing. From what I remember, all the things that you can check for including the crunchy sound weren't happening with my hoses. I'm not making an argument one way or another.

So Tom, what do a set of hoses go for for my app? You can PM me if you like. Thanks.
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  #12  
Old 11-07-2018, 05:40 AM
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Hoses are cheap and easy to replace. Set a time frame to replace and inspect for leaking annually. A metal tag attached to each hose gives replacement specs.
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  #13  
Old 11-07-2018, 08:09 AM
FinnFlyer FinnFlyer is offline
 
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Location: Bell, FL
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Default Still flexible not a good test

I had just had my annual condition inspection done by an A&P. He said the fuel hoses still felt good (steel braided rubber) -- flexible.

Turning on fuel pump for the next flight I smelled gas.
I took off the cowling, turned on fuel pump and saw gas spewing out through the steel braid!

Granted it's high pressure (40 PSI) and I run mogas.

Now I'm using non-steelbraided hoses and replace them every 3 years.

Finn
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  #14  
Old 11-07-2018, 09:39 AM
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AndyRV7 AndyRV7 is offline
 
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Quote:
Originally Posted by FinnFlyer View Post
I had just had my annual condition inspection done by an A&P. He said the fuel hoses still felt good (steel braided rubber) -- flexible.

Turning on fuel pump for the next flight I smelled gas.
I took off the cowling, turned on fuel pump and saw gas spewing out through the steel braid!

Granted it's high pressure (40 PSI) and I run mogas.

Now I'm using non-steelbraided hoses and replace them every 3 years.

Finn
everyone's worst nightmare!
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  #15  
Old 11-07-2018, 09:50 AM
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JonJay JonJay is offline
 
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I went nine years 685 hours on my 303's. I know folks who have gone much longer, but youre taking your chances. Mine where still in great shape. I cut a couple open for inspection.
I package up the hoses and sent them to Tom to copy.

One caution. The Teflon hoses are a bit stiffer than the 303. I had to modify some routing as a result so it may not be an exact swap. My 303's where within tolerance for bend radius and the Teflon could make those turns but I didn't like how they "loaded" some of the fittings so I changed the routing a bit. Not a big deal and Tom's product with integral firesleeve makes for a cleaner install.
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  #16  
Old 11-07-2018, 11:04 AM
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N941WR N941WR is offline
 
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On a carbureted O-360, the following are the hoses I remember needing:

1. Gssolater to fuel pump
2.:Fuel pump to carb
3. Accessory case to oil cooler
4. Oil cooler to accessory case
5. Fuel pressure line
6. Oil pressure line
7. Manifold pressure line

Did I miss anything?
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Last edited by N941WR : 11-07-2018 at 12:19 PM.
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  #17  
Old 11-08-2018, 08:29 AM
TS Flightlines TS Flightlines is offline
 
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Sam, are using mogas?

Tom
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  #18  
Old 11-08-2018, 08:31 AM
TS Flightlines TS Flightlines is offline
 
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Finn, my point EXACTLY!
Tom
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  #19  
Old 11-08-2018, 09:14 AM
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Sam Buchanan Sam Buchanan is offline
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Quote:
Originally Posted by TS Flightlines View Post
Sam, are using mogas?

Tom
Non-ethanol premium 90% of the time, the remainder is 100LL.

Once again, I'm only relating my experiences, not trying to encourage a particular hose replacement protocol and certainly not being argumentative.
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Last edited by Sam Buchanan : 11-08-2018 at 09:20 AM.
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  #20  
Old 11-08-2018, 04:00 PM
TS Flightlines TS Flightlines is offline
 
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Sam, we also are not trying to be argumentative. We are just relaying information based on our experience.

Tom
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Teflon Hose Assemblies for Experimentals
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