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I have this small Electrolyzer + Hydrogen Generator setup in my base:

Hydrogen setup Hydrogen setup gas overlay Hydrogen setup power overlay

The Electrolyzer says it generates 112 g/s of Hydrogen, while the Hydrogen Generator states it needs 100g/s of Hydrogen to function and produce 800W of power.

The Hydrolyzer also generates 888g/s of Oxygen, which amounts to 1000g/s of total gas. The Pumps can pump 500g/s of gases each and the Gas Filter is able to handle the full 1000g/s on its own.

Power-wise it is a closed system, and the pumps and filter draw 720W total. So the whole system should have a positive net of 80W.

Even if this all checks out and in theory this should be auto-sustained, in practice the system can't run on his own without the dupes filling the connected battery manually at least once a day.

Am I missing something here? Thanks in advance!

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  • Do you have plenty of water? It might just keep running out and need to be re-primed constantly? Having a gas tank or two to buffer hydrogen would probably help considerably.
    – Paul Z
    Commented Apr 12 at 15:05
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    Additionally, the wiki suggests simple setups like this tend to overheat pretty quickly, which could become a problem.
    – Paul Z
    Commented Apr 12 at 15:12
  • @PaulZ yes, I'm tapping into a big reservoir with no flow interruption. I'm not concerned about heat at this moment, but thanks for mentioning it.
    – GigiSan
    Commented Apr 12 at 18:58

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The gas filter requires 120W per packet of gas that passes through. If a packet of 1000g goes through, it requires 120W. If a packet of 4g goes through, it will still require 120W.

As the hydrogen packets that you pump out are very tiny the process of filtering wastes a lot of power, this causes this setup to not be sustainable.

You need to either save power by using a cheaper solution for filtering gases, or use one of the well-tried Self-Powering Oxygen Machine setups

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    Wow, thanks for the interesting pointers!
    – GigiSan
    Commented Apr 16 at 9:47

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