Hypergolic fuel rocket engines are pretty prominent, especially in soviet rocket engines. Are there any plans to add hypergolic fuel to the game? With a brown/orange transparent flame with the end farthest from the engine being more brown/green? It would be pretty cool
There’s not really any point to having them in game right now is the problem. Main advantage to them is they are not cryogenic so do not boil off, but since that’s not models in the game …..
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If you just want the visual effect of using them I found it relatively least to change the exhaust properties of the engines in the “advanced properties” of the tinker panel. In fact that’s one parameter you can change that will still work in a career game.