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  #61  
Old 12-11-2017, 11:40 AM
kiljoy's Avatar
kiljoy kiljoy is offline
 
Join Date: Sep 2014
Location: San Francisco
Posts: 73
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Hi everybody,

So I received a new supply of tank sealant from Vans and continued on with the left fuel tank.
Here is a snap of the fuel sender temp installation into the tank. That wire holding the float in place is STOUT.



Here's the outside shot of the tank. This is all presealing of the attach bracket and the inboard rib.



The sender is now sealed into the tank, the attach bracket and rib are in and the vent line connection is both torqued in and sealed. Now I play the waiting game until at least Wednesday. After that I'm going to beef up the tank cradle to withstand the weight of 25 gallons of water for leak testing.

My flying club's Christmas party was Friday night and I thought about making punch and dispensing it from my fuel tank but I thought that tank sealant might leave a slight aftertaste. Bitter... like anise. Anyways common sense got the better of me.

Anywho, here are the latest video feeds of tank work AND building of some EAA workbenches! Yes!! I finally got around to building a couple of them to replace the craptastic folding tables in our hangar. Once the locking casters get put onto the bottom they'll be perfect.

https://youtu.be/zztZG3AhMts
https://youtu.be/DwnFI6vlQes
https://youtu.be/WRJw39hmO9w
https://youtu.be/aM6cn8UF8BE

- Kilroy
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  #62  
Old 12-18-2017, 01:16 PM
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kiljoy kiljoy is offline
 
Join Date: Sep 2014
Location: San Francisco
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Hi everybody,

Since we last spoke the tank sealant has cured enough that I felt comfortable filling it up with
water and leak testing it! Our hangars only have a couple of places with a water hose so it was
off to the plane wash and hauling over 4 gallon jugs of water. I filled the tank up just waiting
for some kind of comedic spout of water to start shooting out sideways like a broken dike.
Thankfully nothing like that happened. The only place the tank leaked was out of the overflow
vent spout (because I didnt have an appopriate cap nut) and from the fuel cap. I'm not worried
about leaking from the fuel cap as I won't be doing inverted flight very much.

While waiting for the sealant to cure, instead of going onto the next fuel tank I've decided to take
a break from ribs and sealant and start working on the main spar. Of course in order to do that
I had to build a couple of work benches as the one i have is nice but not near large enough to
satisfy the space requirements of the spar. Anywho, after I made those I got to the j-channel
fabrication then the tank nut plates. Drill, baby, drill! Here are some pics from the last couple weeks:






And as always here are the video feeds from that work. Enjoy

https://youtu.be/DwnFI6vlQes
https://youtu.be/WRJw39hmO9w
https://youtu.be/aM6cn8UF8BE
https://youtu.be/qu93relRUyY
https://youtu.be/VQwrbJOARUU
https://youtu.be/TRtOaQrfJi8
https://youtu.be/Jh2E7pp2_7U
https://youtu.be/JaL21AynklM
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  #63  
Old 12-18-2017, 01:34 PM
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Carl Froehlich Carl Froehlich is offline
 
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Location: Dogwood Airpark (VA42)
Posts: 1,188
Default You do not want the fuel cap to leak

Adjust the seal on the cap as needed (loosen the locking nut, then turning teh bottom disk, and retighten the locking nut).

You donít want water getting into the tank when sitting on the ramp in the rain.

Carl
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  #64  
Old 12-18-2017, 04:13 PM
kiljoy's Avatar
kiljoy kiljoy is offline
 
Join Date: Sep 2014
Location: San Francisco
Posts: 73
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Quote:
Originally Posted by Carl Froehlich View Post
Adjust the seal on the cap as needed (loosen the locking nut, then turning teh bottom disk, and retighten the locking nut).

You donít want water getting into the tank when sitting on the ramp in the rain.

Carl
Very true. I'll adjust it tomorrow and refill the tank.
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  #65  
Old 01-14-2018, 11:59 AM
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kiljoy kiljoy is offline
 
Join Date: Sep 2014
Location: San Francisco
Posts: 73
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Okay so the holidays are over finally and it's time to get back to work on the plane!!! Over the holidays
I had a nice time back home in the south with my dad and siblings. I shot a couple of deer, drank a lot
of wine, etc etc

Anyways back to the important stuff. As suggested to me by Carl Froehlich I had adjusted the fuel cap
on the left tank, refilled the tank and tested again for leaks. This time no dribbling of anything from
the fuel cap so its all happy there.

One of the VAF members, Mikeandmaz, came in from over the pond to check out the build and get his
hands dirty. I'd been kind of putting off riveting the back baffle and attach Zee's to the left tank. It
was really nothing more than silly fear. I knew what it meant to have to open up the baffle to get inside.
Once sealed up that was it, theoretically anyways.







I put the fuel sender float on the inside, we cleaned the inside out thoroughly with lint free clothes, and
commenced to clecoing the baffle on. Together Mike and I riveted the baffle then attach Zees in place.
Once that was done nothing to do but wait. The sealant should be dry tomorrow. At that point
all I need to do is go back, countersink and rivet the remaining baffle rivets and that SHOULD be it.
After that seals it's the balloon test and when that passes I'll call it done.

With the tank in waiting I turned my attention back to the main spar and the ribs. I took an hour and
shored up one of the work benches. Note to self but the next time I build a set of the EAA work benches
I'm going to buy 2 extra 2x4s and use those as the source for the 33" pieces. The original 4 used are
going to stay full length. 8' tables are much more useful. Also I've started re purposing one of my ram
mounts to use to help me document my build.



Anyways, The ribs have been fluted, flattened, final drilled, deburred, dimpled (bottom flange only),
primed, step drilled, bushings put in and are riveted to the main spar itself!



And of course the obligatory through the ribs pic:



It's making me nervous though as now the ribs are held onto the spar with nothing but rivets and
a couple of bolt/washer/nut combos. Once I get the rear spar on I'll feel a little more comfortable.

Anyways here's just a few links to the video feeds that have been put up. There's a lot of them
so I'm only linking a few. Enjoy.

https://youtu.be/ELeL0lj1FrI
https://youtu.be/i9HqQp1sMn0
https://youtu.be/-PPBZVfI9r4
https://youtu.be/va90x4sRjy4
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