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  #1  
Old 06-07-2023, 03:59 PM
dweyant dweyant is offline
 
Join Date: Sep 2012
Location: 07TS
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Default RV-14 EXP Snorkel help

Working on fitting the snorkel on my RV-14A EXP.

I can not get it to line up without getting in the way of the oil return line on the cylinder. Anyone have any suggestions on how they got everything to line up?

Thanks,

-Dan
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  #2  
Old 06-07-2023, 04:42 PM
asw20c asw20c is offline
 
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Hi Dan,
Without seeing your setup, I'd be willing to bet that you aren't going to get it to line up without conflicting with the oil return line. On mine, my snorkel interfered with both the oil return line and the starter solenoid. You will find some discussion of this topic within this forum. Some suggest that you can bend the oil return line, others suggest you replace the tubing with wire braid flex hose, and yet others suggest cutting the snorkel to create clearance and then glass it back together. I took a somewhat hybrid approach. Where the oil return line and starter solenoid touched my snorkel, I cut a slot, then installed the snorkel and used both the oil return line and starter solenoid as "molds" to reglass the snorkel around them. My thinking is that you don't want to interfere with the air flow in the snorkel any more than is necessary because it will affect the horsepower your engine can develop. This left some minor speed bumps on the inside but maintained the overall general shape. Lots of options but I can't say which is best. I contacted Vans about my situation and they said the snorkel fit on their prototype. Just goes to show the variability in snorkel manufacture and various engine configurations.
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  #3  
Old 06-07-2023, 05:09 PM
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Jetmart Jetmart is offline
 
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Here is a similar discussion.

https://vansairforce.net/community/s....php?p=1679610

Note post # 10 from Scott.
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  #4  
Old 06-07-2023, 05:17 PM
Bavafa Bavafa is offline
 
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The EXP snorkel has a bit of interference with the oil return line of #2 cylinder but should not have any issues with the starter, mine did not.
I personally did not like VANS instruction of how the process of fitting goes and modified it slightly.
But in regards to the oil return line, I disconnected it to get the snorkel fitted first than I was able to turn the 45 degree elbow just enough to create enough clearance but some folks have reported that they had to build a new line which is very easy to do.
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Old 06-07-2023, 06:11 PM
dweyant dweyant is offline
 
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Thanks for the help everyone!

Sounds like Van’s needs to update the instructions…

-Dan
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Old 06-07-2023, 06:13 PM
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hgerhardt hgerhardt is offline
 
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I had that problem with my IO-360. In my case, I shortened that first section of the tube which has the B-nut (flare fitting) by 1/2" or so and re-flared the end. That pulled it in towards the cylinder head just enough to clear the snorkel. Slightly re-formed the S-bend on the bottom to accommodate the shorter first section.
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  #7  
Old 06-07-2023, 08:30 PM
TS Flightlines TS Flightlines is offline
 
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Here is our oil return tube, modified to clear the snorkle. $84.95 on our website, https://aircraftspecialty.com/rv-14.html

Tom
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  #8  
Old 06-07-2023, 08:39 PM
dweyant dweyant is offline
 
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Quote:
Originally Posted by TS Flightlines View Post
Here is our oil return tube, modified to clear the snorkle. $84.95 on our website, https://aircraftspecialty.com/rv-14.html

Tom
Already ordered one Tom!

-Dan
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  #9  
Old 06-08-2023, 02:24 PM
glider_rider glider_rider is offline
 
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Quote:
Originally Posted by dweyant View Post
Working on fitting the snorkel on my RV-14A EXP.

I can not get it to line up without getting in the way of the oil return line on the cylinder. Anyone have any suggestions on how they got everything to line up?

Thanks,

-Dan
I used a hair dryer to warm up the snorkel and change its shape slightly. 10 minutes job
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  #10  
Old 07-17-2023, 07:21 PM
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DonJr DonJr is offline
 
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Quote:
Originally Posted by hgerhardt View Post
I had that problem with my IO-360. In my case, I shortened that first section of the tube which has the B-nut (flare fitting) by 1/2" or so and re-flared the end. That pulled it in towards the cylinder head just enough to clear the snorkel. Slightly re-formed the S-bend on the bottom to accommodate the shorter first section.
I did something similar to my return tube. It would be a quick fix for VANS to work with Lycoming to have the return tube shorten at the factory. I had other issues with two of the other return tubes rubbing up against the lower heat shields on cylinders 1 & 2. A slight twist fixed the rubbing issue. But, a quick note to Lycoming QA from VANS would fix this.
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