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Cox Engine of The Month
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1/2A Nut's

"RC Speed Boat Power Drive TD .020"

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Tank Pick Up Improvement Empty Tank Pick Up Improvement

Post  Iceberg Thu Aug 20, 2020 7:09 pm

Does anyone know the brand of this tank?

Tank Pick Up Improvement Img_7410

It has a hemi circle dome in the backplate to pickup the fuel. But it was leaving 25% of the fuel not sucked up. Like why is this hemisphere in the backplate?

Tank Pick Up Improvement Img_7411

So I put this piece of Brass pipe. What other system should this tank have? Surely 25% of the fuel was not supposed to be left over?

Tank Pick Up Improvement Img_7412


Thanks
Iceberg

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Post  dckrsn Thu Aug 20, 2020 10:04 pm

Hi Iceberg, I believe that's a Norvel tank mount. That's all I know.
Bob
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Post  Iceberg Thu Aug 20, 2020 11:12 pm

Hi Bob
Yes looks for sure Norvel. Good enough tank. I've had this one about 10 years but not happy with the 25% fuel not consumed on flights. I fixed it at the moment. What is inside your tank to ensure full amount of fuel getting used?

Thanks
Iceberg


Last edited by Iceberg on Thu Aug 20, 2020 11:20 pm; edited 1 time in total (Reason for editing : Correct name)
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Tank Pick Up Improvement Empty You done right my boy.

Post  happydad Fri Aug 21, 2020 12:04 am

Iceberg wrote:Hi Bob
Yes looks for sure Norvel. Good enough tank. I've had this one about 10 years but not happy with the 25% fuel not consumed on flights. I fixed it at the moment. What is inside your tank to ensure full amount of fuel getting used?

Thanks
Iceberg

Iceberg:  I think you did the right thing by adding the flexible tubing and Pipe, (?) to extend to the bottom rear of the tank. If a CL it should be to the outside rear corner where all the fuel gathers.
   Great job. Clapping Clapping
Most tanks use a “clunk” or a weighted piece with a hole at one end to pickup fuel. Google it. I think they are sold with Sullivan fuel tanks. Tank, rubber stopper, tubing for in, out, overflow and a clunk pickup. It is just a brass or lead piece with a hole at one end for pickup and the other end the size of the tubing you would use.
Easy, Peasy.

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Post  getback Fri Aug 21, 2020 8:03 am

If your fling R/C i would go with a clunk set up / I have heard those tanks get leaks to them ,, i think it was Ken for one that said something to that . Here's a link that has some good info ... . https://www.modelairplanenews.com/fuel-systems-made-easy/#visitor_pref_pop And U get a news letter Laughing
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Post  dckrsn Fri Aug 21, 2020 8:20 am

Iceberg wrote:Hi Bob
Yes looks for sure Norvel. Good enough tank. I've had this one about 10 years but not happy with the 25% fuel not consumed on flights. I fixed it at the moment. What is inside your tank to ensure full amount of fuel getting used?
Thanks
Iceberg
Iceberg, that tank and engine aren't mine. I lifted
the photo from ebay. What?
Bob
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Post  Iceberg Fri Aug 21, 2020 10:47 am

Hi Bob
Thanks for finding the picture and identifying the tank brand.

Yes the clunk style I have had on some other tanks before nut not this one. I use it on a boat so the centrifugal slosh of the fuel is greatly reduced from a plane. But I might put a "clunk" pickup in there anyway.

Thanks so much!

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