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09-16-2016, 10:20 PM
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#1 |
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RCC Senior Contributor
I am: balbir s
Join Date: Sep 2014
Location: pickering, ON.
Radio of choice:
Futaba 10J # of RCs: 13
Feedback: 30 / 97%
Posts: 655
Total Props: 2
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Why won't the tank empty????
Hi Guys,
i recently bought a used FuntanaX 20cc gasser. With an electric fuel pump I am able to fill the gas tank, but for some reason when i reverse the switch on the fuel pump the tank won't empty. I tried the same fuel pump on my other gasser and low and behold NO problem at all it fills up and also empties.... so what gives???  Any suggestions would be appreciated. Thank you in advance for your valued input. Balbir
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FLY HARD BUT LAND SOFTLY 
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09-16-2016, 10:28 PM
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#2 |
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RCC Master Contributor
I am: Ryan T
Join Date: Aug 2016
Location: Onoway AB
Radio of choice:
Radiomaster TX16S # of RCs: 17
Feedback: 25 / 100%
Posts: 1,041
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Re: Why won't the tank empty????
Is there by any chance a one way valve installed in the fuel line causing the pump to not be able to pump?? Or it's not vented so it's pulling the tank into a vacuum? Couple off the top of my head?
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09-16-2016, 10:30 PM
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#3 |
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RCC Supreme Contributor
I am: Len S
Join Date: Mar 2009
Location: Kelowna, BC
Radio of choice:
DS16 Jeti and Airtronics SD-6 # of RCs: 10
Feedback: 257 / 100%
Posts: 11,768
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Re: Why won't the tank empty????
Probably filling thru the vent which pulls air when trying to empty.
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09-16-2016, 10:37 PM
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#4 |
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RCC Senior Contributor
I am: balbir s
Join Date: Sep 2014
Location: pickering, ON.
Radio of choice:
Futaba 10J # of RCs: 13
Feedback: 30 / 97%
Posts: 655
Total Props: 2
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Re: Why won't the tank empty????
I tried to empty it through the overflow fuel line as well but that didn't work
__________________
FLY HARD BUT LAND SOFTLY
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09-16-2016, 11:39 PM
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#5 |
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RCC Supreme Contributor
I am: Len S
Join Date: Mar 2009
Location: Kelowna, BC
Radio of choice:
DS16 Jeti and Airtronics SD-6 # of RCs: 10
Feedback: 257 / 100%
Posts: 11,768
Total Props: 136
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Re: Why won't the tank empty????
Isn't the overflow the same as a vent line ?... Try the line from the fuel pickup.
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09-17-2016, 12:53 PM
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#6 |
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RCC Senior Contributor
I am: balbir s
Join Date: Sep 2014
Location: pickering, ON.
Radio of choice:
Futaba 10J # of RCs: 13
Feedback: 30 / 97%
Posts: 655
Total Props: 2
|
Re: Why won't the tank empty????
yes both the overflow and the vent line are the same, i tried both the vent line and the fill line, finally i just unplugged the fuel dot, turned the plane upside down and empty it straight into the gas container - i guess i will have to take out the fuel tank and re-check the lines - its ok its raining in TO so good time to check it out now...... thanks for your help.
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FLY HARD BUT LAND SOFTLY
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