![]() In flight they face the trade-off between the lower atmosphere where intake air is easily available at lower speeds but air resistance is greater, and the upper atmosphere where there's less air resistance but higher speeds are required to collect sufficient intake air. The classical rocket equation doesn't hold valid for them. This is represented in-game by a much lower rate of fuel consumption. Jet engines use the same fuel as rocket engines, but unlike them jets draw oxygen from the atmosphere using air intakes rather than carrying the weight of oxidizer onboard. Listed below are general descriptions of jet engines and several broad types of rocket engines along with their advantages and disadvantages.ĭoes not respond rapidly to throttle changes due to turbo lagĬan only be used with an oxygenated atmosphere They differ by the kind of fuel they use and the controls used to operate them in-game. All use the same resources and are controlled the same way.Īll KSP's other reaction engines can operate using only resources stored or generated onboard and are collectively called rocket engines. Staying relevant to KSP, we separate out air-breathing jet engines which can only operate inside an oxygen-rich atmosphere from those able to operate in space. ![]() well, let's hope that you don't need that.Different sources classify kinds of reaction engine a bit differently, but all contradistinguish those which must collect outside material from those using only onboard material as reaction mass. If you need the electricity to keep your heat shield pointed in the right direction. Hopefully, you designed your rocket so that its aerodynamics orient you correctly on atmospheric insertion. To get on that trajectory, you may need to get out and push (which is possible with your suit jets, albeit slow), but it is doable. You may need to use the engine to brake a bit, but you can do that once you're committed to the atmosphere. Once you are on a re-entry trajectory, you don't need to worry about power. ![]() If you have the right trajectory, then you may need to do nothing at all. The best part is that in the stock game, you don't need electricity to start the main engines. It would not take much, but of course you will need to make a course correction afterwards. If you are using the right rocket engine (a Swivel or Reliant, for example) then you have an 'alternator' installed that generates electricity while the engine is running. Be certain that nothing is on and drawing the power you may want to use stability assist to keep your vessel facing the sun, but turn off any lights or other power-draining modules. It's preventable by having panels that are not 180° from one another (I like to use either 3-symmetry, or if I don't need that much power, having two panels at 90° from one another). This happens sometimes with the deployable panels when their rotational axis ends up pointing at the sun they can't get power because that's the direction that they cannot turn to face. Don't push the panels themselves you'll break them. You don't need a lot you just need to get it moving so that a panel eventually rotates to face the sun. This may require you to get out on an EVA and nudge the vessel with your suit jets. If you have solar panels, then turn the spacecraft to face the sun. Assuming that that is the problem, here are some solutions: ![]() Please helpĪs others have said, loss of power is the likely culprit here. It was worse than not having SAS active as I literally could not control my spacecraft.
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