Here are the things you need to balance: Gravity losses. (Best way to picture this: imagine if your TWR on the pad were 1.00001. You'd sloooooooowly lift off, basically just hovering. Adding more than 1 decreases the delta v and increases TWR. Any TWR above 1.2 will work adequately for the middle stages, but most stock mid-stage engines and most balanced mod mid-stage engines have a good fuel efficiency setup for rapid burning, so I tend to go for a higher TWR like 1.5 again. For craft larger than about 15 tons, the nuke is the most efficient engine delta v wise. No, there is no 'ideal' TWR in space since you are not limited by the time it takes to accelerate. est la masse totale du vaisseau (en kilogrammes). More info here. On utilise ici l'accélération de la pesanteur au niveau du sol =, / pour Kerbin). Picking the "right" TWR will depend on the characteristics of your ship. Select your mission objective by clicking on links like "Low Orbit" or "Surface"! subhumann's SSTO Ascent Profile. This is a dV waste that your ship incurs because it's spending fuel fighting gravity rather than making the ship go faster. More charts for the other planets here. ... See also the aerobraking calculator. tavert's Landing and Takeoff Delta-V vs TWR and specific impulse charts. = ⋅ > Où est la force de poussée des moteurs (en newtons). And about the way of calculating the perfect inclination for a rocket of given mass, with certain TWR and speed, at given height. Full Plane/SSTO Guide here. The reason your second attempt was more efficient was because you took advantage of the Oberth Effect and changed your velocity at a faster … I am currently aiming to develop my own KSP kOS autopilot for bringing every (or almost every (or some)) rocket into LKO. KSP Flight Controls Keyboard Map (as of 0.22) by Trigger Au. Si le ratio poussée-poids (thrust-yo-weight ration, TWR) est inférieur à 1, la fusée ne décollera pas du pas de tir. I was wondering about the math behind the atmospheric system KSP is using. Ratio poussée-poids (TWR) → See also: Ratio poussée-poids. atomic_houseboat's Mission Flow Diagram alterbaron's KSC landing chart.
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