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-   -   New water tank system (http://www.aquamist.co.uk/forum2/vbulletin/showthread.php?t=2648)

Richard L 27-07-2014 10:02 PM

New water tank system
 
We are a new anorexia tank: 5L. Might work for some but fun to put in to the market place.
Please give me some feedback and comments, gratefully received, good or bad .

http://www.aquamist-direct.com/806-6...th-bracket-5l/

http://www.aquamist.co.uk/tank/Tss.jpg

Dust 28-07-2014 01:11 PM

Re: New water tank system
 
Assumptions - The holes in the middle are mounting point? Is it baffled? For a straight liner it would seem to be a great choice, but for a turner I would hope that it is baffled. Wondering if tilting it 90 degrees and mounting the low level and pickup on what is now the bottom might not be a better idea. Just initial thoughts. Looks like a repurposed water container to me.

Richard L 28-07-2014 05:56 PM

Re: New water tank system
 
Thanks for chiming in.

The four dimples are for keeping the tank stay in shape. Large plastic surfaces tend to loose its original shape in warm environments and filled. The dimples on each side of the tank are thermally welded together during injection moulding. They form a strong a single air-tight wall. If you wish to use those dimples for mounting purposes, you need to drill a couple of through holes.

I have worked on this tank for a while now. I shared your concern regarding liquid sloshing around during corning. As the width is only 2.6", side-way sloshing is of no concern. If the thin face is in the line of travel.

The tank is baffled no chance of sloshing in any direction. I will make a video to demonstrate it, time permitting.

The tank is a perfect square, 13" x 13". I am not sure your comment about tilting it 90 degrees. Please do explain.

Richard

Dust 28-07-2014 06:09 PM

Re: New water tank system
 
If it wasn't baffled, I was suggesting turning it so that the water would have a gravity point. With the square bottom the water could slush left and right (again I didn't see or read about a baffle) so the suggestion for a cone at the bottom with the fill port at the top. If it's baffled it's not a worry.

I take it the weight isn't enough that it needs mounting from the top as well?

Richard L 28-07-2014 06:24 PM

Re: New water tank system
 
The baffle is a long vertical dividing wall from the top (filler cap) to the bottom. The wall is approximately 3" from the outlet ports face.

The wall where the dimples met is approximately 3mm thick. It is debatable if it can withstand a negative 5G on a full tank (5kgs). How many G's on a 30 mph crash test?

Anyway, we are a bit concern about using just two 6mm bolts of the drilled dimples. We supplied two acetal stand-offs to filled the voids on the dimples, giving extra support. These stand-offs only comes with our purpose made bracket.

Richard L 28-07-2014 06:45 PM

Re: New water tank system
 
See the two stand-offs inside the back dimples?

http://www.aquamist.co.uk/tank/dimples.gif


http://www.aquamist.co.uk/tank/acetal.jpg

Richard L 29-07-2014 06:56 PM

Re: New water tank system
 
anti-sloshing video:

http://youtu.be/gXszFa3MkKM

Dust 30-07-2014 12:50 PM

Re: New water tank system
 
I saw the video posted last night on youtube. It didn't look to anti-slosh until I focused on the right side.

Pit Viper 30-07-2014 01:24 PM

Re: New water tank system
 
I think it's a great solution. Considering the thinness, it also wouldn't take much modification to stack a few side-by-side if you needed added capacity.

Dust 30-07-2014 02:09 PM

Re: New water tank system
 
Pit Viper, that is exactly what I was thinking. Run bolts through the four dimples with the rubber/plastic? spacers, tie them together and go. I could see $100 a pop getting old quick though.

Richard, are the caps vented like the Howerton Engineering tanks are?


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