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Need Info on Inexpensive fuel fill fitting -w-T

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Need Info on Inexpensive fuel fill fitting -w-T

Old 02-02-2004, 01:57 PM
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Default Need Info on Inexpensive fuel fill fitting -w-T

I heard about a fuel filling system where a T tube is inserted into the feed line then fuel tubing connected to the middle outlet of the T is run outside of the cowel then plugged. The plug is removed for fuling and reinserted after for flying. I am trying to put this on my new plane but won't the fuel run back into and out the carberator instead of into the tank?? How are they setting this up. The only thing I can think of is they close the needle valve while fueling it may stop the fuel from running into the carb.
Old 02-02-2004, 02:07 PM
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Default RE: Need Info on Inexpensive fuel fill fitting -w-T

Closing the needle would work if the needle seats properly. You could use a pair of forceps or a clothespin to clamp off the fuel line to the carb, presuming you can get to it.

Jim
Old 02-02-2004, 11:19 PM
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Default RE: Need Info on Inexpensive fuel fill fitting -w-T

I wish I would have know it wasn't straight forward before I bought all the T tubes and plugs but I heard that the Quick Fill setup leaks after a while but that would have been the way to go for $13. I was thinking about a using a check valve but hadn't thought that one out yet and there $8 each anyway. Another Idea a friend suggested was to use the third line on the tank run the pickup to the bottom and up and out the cowel -fill then plug it for flight but there's allways the possibility that it will also run back to the carb. Oh well it's fun trying to figure it out anyway!!
Old 02-17-2004, 10:46 AM
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Default RE: Need Info on Inexpensive fuel fill fitting -w-T

Fuel shouldn't run into the carb if the carb is closed. When you shutdown your plane at the end of a flight the carb is closed anyways. Liquid will follow the path of least resistance, so when you fill, it should all go to the tank. Fuel may go as far as the filling the fuel line to the carb, but it should not flood it.

I'm looking at the same thing. I wrote and e-mail to Madison Components and ask them about their Fuel Dot setup with a Y valve. I figured a "Y" or "T" connection had some kind of check valve in them, but they dont. You just have to make sure your carb is closed when fueling.

I hope I typed this correctly and good luck

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