Currently it's somewhere between 50%~60% of fuel tank's volume. From what I've heard, you took this ratio based on Shuttle's LOX tank. The problem is your base was improper: LOX tank of Shuttle is not a cylinder.

shuttle

Cylindrical tanks should be able to hold at least 99% of it's volume, considering there's no practical internal structures and their wall thickness is practically negligible.

SLS

The real internal structure comes from intertank and such. Since we're flying bipropellant rockets, our fuel tank should be consisted of the actual fuel tank and oxidizer tank. Even though 60% utilization is way far small.

SLS Cutaway

A maintainer of KSP Realism Overhaul, Pap, said that 90% utilization would be a good number if people build rockets without intertanks.. Builders like me make all the intertank and such by myself, so for my kind of people the utilization should be 99% or higher. In my opinion, you can make a hidden parameter accessible via tinker panel so that players can set their tanks' utilization.

Suggestion Done Fixed in 0.9.802.0

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    @KellyNyanbinary it’s technically possible for an iOS MacBook Air to exist, just jailbreak the device and force it to run iOS

    +1 1.5 years ago
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    @KellyNyanbinary, I noticed you changed your profile picture. It looks weird…

    2.6 years ago
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    @FelixFan1 Wording choice aside, she's correct in that you aren't entitled to quick updates like you seem to think you are. If you have an issue with the slow speed at which updates are rolled out to the App Store, bring that up with Apple because it's beyond Jundroo's control.


    @KellyNyanbinary Seriously, there's no need to respond the way you did after that comment. It was needlessly aggressive, and swearing in a manner such as that is not tolerated here.


    Now then, I will remind you both that this is a place of civilized discussion, and you both have violated that with your respective outbursts. Please read the website rules here.

    2.6 years ago
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    If you got it through the Apple App Store go to that. But it’ll be a few days before Apple verified the update. Be patient please. @FelixFan1

    +1 2.6 years ago
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    There is no iOS MacBook Air in existence. But if you mean a macOS MacBook Air just open Steam and wait for it to download @FelixFan1

    2.6 years ago
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    after all these years, we finally have it

    2.7 years ago
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    @AndrewGarrison can you also add a thrust modifier to rocket engines that also scales fuel consumption? And have the default value the same as the default fuel tank utilization value.

    +1 2.7 years ago
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    I went with an approach like what @KellyNyanbinary has suggested and added a "utilization" attribute to the FuelTank modifier. I did not change the default value because we need lower utilization for gameplay, but now you can XML mod your fuel tanks to have the percentage you want.

    +7 2.7 years ago
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    The system is smaller and so fuel tank capacity should be...Some time ago I tried building a rocket for solar system sized one and I needed more than 5000 delta V to get into earth orbit. So if system and fuel tank capacity would be bigger it would be as balanced as it is right now I guess, but the system would be more computer power expensive.

    +1 2.8 years ago
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    @AndrewGarrison please add this. You can just add a new XML attribute called fueltank utilization and have it at 0.6 for all existing tanks, but new ones dragged out will be 0.9.

    Also buff new engine’s thrust by 50%

    +2 2.8 years ago
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    Nice 69

    +1 2.9 years ago
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    9,381 SpaceJunk69

    @Elgaagung Post Formatting Guide,check it

    +2 3.1 years ago
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    @12345678910312 I'm sorry but all you've written in your comment are already considered in my original post. Read carefully before you write something.

    3.1 years ago
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    129 Remedy31

    @Brittishaerospace see the upvotes those are the people who need this

    3.1 years ago
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    @Brittishaerospace You know you're playing a simulator, right? What do you think the plethora of real physics calculations and real rocket science information windows and options are there for? The game is trying to be insanely realistic, because that's the whole point.

    +1 3.1 years ago
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    @Brittishaerospace he basically means the fuel tanks don’t hold enough fuel, so in reality, E V E R Y O N E needs this so it’s easier to get to places

    +2 3.2 years ago
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    It's just a game. Not reality. Who even needs this.

    3.2 years ago
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    And by the way, the wet/dry mass ration of tanks in the game are very realistic

    3.4 years ago
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    Nope, the tanks in the game are 90% realistic. A lot of space in the tank is taken by additional equipment such as electronics, pressure tanks, fuel lines, empty space, and other spacetrash. And this is impossible to make a fully cylinder tank because there are will be stress concentrators. So, in game pills-like tanks in cylinder model. Developers aren't stupid to make such a mistake. When I tried to calculate rocket tanks I made the same mistake as you made. My tanks carried much more fuel than all real.

    3.4 years ago
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    我觉得因为缩小了天体的比例,也会缩小逃逸速度和燃料

    3.5 years ago
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    150 RebelKm

    @thedarkguns That why I dont like the OG galaxy that comes with it... I like the realistic add on. I just make my tanks giant and tinker them to the size I need.

    3.8 years ago
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    10.1k Insanity

    @25loed you wont be able to fix it, as you would need unity to alter stuff scripted into the game.

    3.9 years ago
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    1,432 Pepethecat

    Its true, it mostly makes Hydrolox useless for me due to it's density. Another thing is it affects my replica's performance since they are usually to scale and 0.6x sized for the sake of the smaller solar system. My SLS requires the second stage to use methalox (when in real life they use hydrolox) for it to even reach the moon cause of the fact that the tanks only hold 50-60% fuel which is outrageous. Just seeing the tank hulls in images and references shows you that it is NOT 40% tank and at worst 15% probably on those insulated tanks, you dont really need math to figure this one out.

    +4 4.0 years ago
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    To give a specific example I tried to mock up the SpaceX starship and had to go from 9m diameter to 12m diameter to get the fuel mass right. That comes out to ~56% of the fuel I "should" have at that volume.

    +1 4.1 years ago
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    6,271 Pjork

    @AnotherFireFox lol...

    4.1 years ago
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