- Daisy-chaining coolant containers
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Re: Daisy-chaining coolant containers
You need to get all the air out of the tubes between 1-2 and 2-3 for it to siphon.
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Re: Daisy-chaining coolant containers
Thank for replying Mo. All tubes are full, no air bubbles anywhere. Have tried more experiments... one possible change from previous layout was the pump was on the other table leg and was pumping down instead of up, so I've now remounted it horizontally. It's pumping *into* 3, so reverse the arrows in the photo.
I started the pump and the levels went slightly higher from 1 to 3, but they remained static. Ran for 10 minutes and no overflows, so looks like I'm back to the previous working state even though I don't fully understand how/why it's working.
Also noticed containers 2 & 3 were bulging slightly, and 1 was concave, so wonder if the system is more air-tight than I thought. Maybe the different air pressures inside the containers is affecting the flow, and every time I fiddle with the tubing, this affects the seals.
Slackening the tops of the containers 2 & 3 causes them to fill up rapidly and overflow, but slackening 1 has no effect!
The tube diameters are slightly different; the spindle tube coming from 1 is the narrowest, the link tubes are larger, and the pump tube larger still, but don't know if this is a factor.
If I can't rely on this 100% I may have to abandon it and buy a single large container. Daisy-chaining seemed the simplest solution at the time as I've got loads of 5L containers
- Daisy-chaining coolant containers
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