|
|
Mark McClure <markmcclure@me.com> wrote:
>Navy T-34C's have a rubber bladder lining of the fuel tanks. They use
>jet fuel so it's not an issue of ethanol but more of a if there is a
>leak just replace the bladder solution.
>
>Not sure about your fuel tank design but could you not use some sort of
>a liner?
>
>Mark
>
>On Aug 16, 2013, at 7:23 AM, Ernest Christley <echristley@att.net>
>wrote:
>
>> I think this is going to be the solution, Lynn. The tank isn't
>exactly smooth at the outlet, so I'm going to have to make some
>modifications to the general concept, and I may end up with a bit of
>unusable fuel, which I don't have now. But, I have a bulkhead fitting
>on hand, so I'll at least give it a try.
>>
>>
>> On 08/15/2013 12:41 PM, Lehanover@aol.com wrote:
>>> If the tank is smooth on the inside. You could hand ream the hole
>out to big enough for a bulkhead fitting. The long run of the fitting
>would go into the tank. Make up a thick aluminum disc, big enough to
>cover the crack. Use fuel tank sealer in the hole and under the washer.
>Tighten the jamb huts with sealant under each.
>>> You could have the same washer under the bottom side as well.
>>> Now the crack is covered top and bottom with sealant and washers.
>Trim off any excess fitting and radius inlet to improve flow. The
>fitting can now be pointed in any direction. I can make a drawing if
> you need one.
>>>
>>> Lynn E. Hanover
>>>
>>>
>>>
>>> In a message dated 8/15/2013 10:30:37 A.M. Eastern Daylight Time,
>echristley@att.net writes:
>>> The Delta has one ~50gal tank that sits behind the back seat. Not
>>> wishing to fight the compatibility issues between epoxies and
>whatever
>>> the government may mandate be put into our fuel supply next year, I
>went
>>> with an welded up aluminum tank which I epoxied into the turtleback.
>>>
>>> For fittings, I welded in two NPT adapter bungs to the bottom of the
>
>>> tank. One for fuel supply, and one for return. I had a small,
>seeping
>>> leak at the supply fitting. I needed to turn the NPT-to-AN6 90
>degree
>>> adapter one more turn to make it seal. I got it most of the way
>around
>>> before I heard a sharp ping. The bung that I welded in is now
>split.
>>> And that split is guaranteed to expand with vibration.
>>>
>>> The only solution I can think if is to cut a round hole to remove
>the
>>> bung, and then construct two plates (one for the inside of the tank
>and
>>> one for the outside), with a hole in the center for the 90 degree
>>> adapter. The problem is, the tank can now be viewed as a bomb. How
>can
>>> I cut a hole in the bottom of the tank, which will require that I
>work
>>> in an enclose space, without the possibility of a spark making short
>
>>> work of everything?
>>>
>>> --
>>> Homepage: http://www.flyrotary.com/
>>> Archive and UnSub:
>http://mail.lancaironline.net:81/lists/flyrotary/List.html
>>
Not with the baffling
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
|
|