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Naptha is a great air seal/lock, what do you make with it?


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You can also use it to stack liquids with. It's more reliable than crude oil/petroleum in that respect as they can sometimes shift positions whereas naphtha does not.

An example would be a fertilizer maker where the natural gas output is isolated.

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After a bit of tinkering, it seems naptha likes to be occasionally consumed by mechanised airlocks if you open/close them too quickly... seems to be quite a slow moving liquid, or it's surface tension/stacking ability is causing something odd to happen.

Doing a bit more testing with it now but yeah, think i'd be tempted to just take the sopping wet debuff and never have it fail (for those important, seldom used locks anyways) :D 

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Mechanical airlocks tend to do that to all liquids if open and closed too rapidly. If it's a problem the solution is to put a delay on the door so it can only be used at certain intervals. Specifically with water locks it is extremely rare that you'd need them to be open. The default would be that you accept the debuff and just leave it as it is. However, there are some circumstances where an automated water lock would make sense, like if there's a chance of the circumstances in the water locked area changes and you need to vent out some gases or something else.

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Aye I just did a simple little build tinkering with it, and noticed that my middle airlock was eating my naptha :D

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Tweaked the filter and it's fine, but would be nice to know the exact threshold at which liquids get destroyed. Lacking the ability to type in decimals has me tearing my hair out currently  :mad:

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Just now, Grimgaw said:

That happens because of door orientation. You're trying to move 2 tiles worth of substance through 1 tile.

Naptha occupies 1 tile width, it's nothing to do with displacement, it's to do with the door closing as the remaining liquid above is still falling. The fact that it can be fixed by delaying the closing time shows this.

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Does anyone know what the maximum naptha is per tile ?

I'm noticing some very weird behaviour when making a huge tall 1 wide tower of it.

Bottom tile seems to over pressurise to ~1109kg, then simply revert back to ~849kg. I'm losing mass from the top of the pillar, but it's just vanishing into nowhere...

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10 minutes ago, Risu said:

It's trying to stay around 740 kg per cell, but obviously it's a very strange liquid.
 

Thats what I thought, but I just threw this together and you can watch it happen very quickly yourselves...

Towers of 2, 4, 5 then denominations of 5.

As soon as you get past 10 high, it starts compressing quite a bit - once you go past 35-40 the bottom tiles compress to around a ton.

Not sure at exactly what point it hits the magical 1109ish, and I don't have the time to keep tinkering now but it does seem to simply delete the mass.

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Also something I learned with naptha is that if you build a plastic ladder inside a liquid above its melting point, it will turn into naptha immediately and the liquid will lose nex to no heat. (the temperature of the plastic doesn't matter).

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