VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics

Prev Previous Post   Next Post Next
  #1  
Old 08-01-2017, 10:41 PM
Jake14 Jake14 is offline
 
Join Date: May 2014
Location: Seattle
Posts: 103
Default QB wing vent leak

Just started phase 1 and noticed a drip from the QB Wing left tank vent line whenever the tank's more than half full, ie. when the fuel level is up to the inboard rib vent connection. Checking the forum, looks like the only cause could be a bad vent line connection inside the tank at the inboard tank rib...grrrrrr....

Nobody at Van's to talk to during Oshkosh so nothing left to do but pull the tank, buy $63 worth of hole saw and mandrel at Home Club and open it up.

The nut was fairly tight, but the flare was very large and thin. The nut would not go over the flare without turning it like a screw. so that may have jammed things up somewhat, Also the close-up shows what looks like a crack in the flare..
I guess this is the one fitting in the tank which can't be leak checked easily


Not sure what a good fix would be, there's not much room to cut or flare in such close quarters, but maybe if I removed the fitting from the rib, there would be enough room to pull the entire vent tube out and replace it with a new one.

When Van's support gets back I'll see what they recommend. Since it's a quick-build, maybe they'll just give me a new tank :-)

Last edited by Jake14 : 08-02-2017 at 12:03 AM.
Reply With Quote
 


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 09:34 AM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.