ANDAIR Fuel Valve installation

lucaperazzolli · #1 10-04-2007, 12:10 PM

Hi to everybody ! (this is my first post)

Has somebody a suggest for install my ANDAIR FS20x7 into my RV8qb fuselage

Thanx in advance

N941WR · #2 10-04-2007, 02:46 PM

Welcome to the forum!

Nothing difficult to the installation. Click on this picture:

The foam was used to keep the fuel line from moving.

Ironflight · #3 10-04-2007, 03:06 PM

The -8 is just a little trickier to mount than on the -9 Bill, because it's over in the confined area of the left hip panel. I'll have to look for some pictures - you have to be a little creative with the tube bending.

Paul

JonJay · #4 10-04-2007, 03:32 PM

Quote:

Originally Posted by N941WR

Welcome to the forum!

Nothing difficult to the installation. Click on this picture:

The foam was used to keep the fuel line from moving.

Careful with that foam! It is combustible with very toxic fumes and will also promote corrosion in aluminum! I am sure nothing will happen and you are not using that much of it, but I would not want my fuel lines burried in that stuff!
It is really intended for household use like filling cracks. Just an observation.
Check the material data safety sheet on anything before using it in your airplane.

N908RV · #5 10-04-2007, 06:28 PM

Hi Luca,

Wish I had pics of the finished bends of all of the install, but you can get an idea of where the valve is installed - it is basically in the stock location, but with a special removable bracket supporting the aft portion of the valve mounting tabs:

N941WR · #6 10-04-2007, 06:50 PM

Quote:

Originally Posted by JonJay

Careful with that foam! It is combustible with very toxic fumes and will also promote corrosion in aluminum! I am sure nothing will happen and you are not using that much of it, but I would not want my fuel lines burried in that stuff!
It is really intended for household use like filling cracks. Just an observation.
Check the material data safety sheet on anything before using it in your airplane.

Jon,

If there is a fire there, I will have a lot more to worry about than a few fumes. BTW, my carpet, leather seats, etc. are not fire proof so I don't see the point in using fireproof foam here.

As for the corrosion, that is not an issue as long as they stay dry. I read about the corrosion - foam issue before and from what I can tell, that happened on the gear legs, out in the weather. This should not be an issue.

The aluminum I used for the form has not deteriorated one bit in the year and a half it has been in there.

Regarding the amount of foam, after that stuff hardened, the top was cut off even with the top of the forms, which happened to be the same height as the tunnel cover.

Quote:

Originally Posted by Ironflight

The -8 is just a little trickier to mount than on the -9 Bill, because it's over in the confined area of the left hip panel. I'll have to look for some pictures - you have to be a little creative with the tube bending.

Paul

Sorry Paul, I missed that he is building an -8.

AntiGravity · #7 10-04-2007, 07:03 PM

I'm in the process of installing a duplex 20-3 FS20x20-3. My kitlog has numerous pictures. My install is a little more complex I suppose because of the additional fuel return lines that will go out to the tanks. As you will see, my first attempt at simply replacing the existing bracket with an 'identical' one just a little wider flopped: I then used flat sheet and a supporting angle. I'm not done with all the pipe bending yet (need more from Vans), but I'm happy with what I have so far.

Might help.

lucaperazzolli · #8 10-05-2007, 01:55 AM

It's incredible, in a few hours a lot of information for me! Thanx a lot to everybody. If Rob can send some tube bending pics I will appreciate. Sorry for my poor english.
I'm more happy now, it's real : I'm not alone in my adventure

Luca

Bubblehead · #9 10-05-2007, 05:59 AM

I don't think it matters but isn't the valve in the picture turned 180 degrees? Shouldn't the pointer should be forward.

I've bought the valve and will be converting my -8 to Andair this winter. You photo was very helpful.

Thanks,

John

Allen231ah · #10 10-05-2007, 06:17 AM

Doing all the tubing bends for the -8 can be tough . I ordered replacement tubing twice . One thing I found helpful was to bend and fit the tubing in sections, the piece that goes to the R tank I think I did 3 sections . Leave the ends long and overlap them ,ducktape the sections together . Once this (mock up) is removed then make your 1 piece part on the work table using the mockup as a pattern . This worked for me, I did very little adjustment to the finished part .