gilflo
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Junior Rocket Scientist
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MechJeb2 in RSS/RO: Classic Ascent Versus PVG Ascent
gilflo replied to gilflo's topic in KSP1 Mods Discussions
Ok I got the Dev MechJeb 2....when I get the "non Dev" build, PVG runs perfectly, but I do a little better with my classic ascent program...minus 100 to 200 DV ! -
[1.12] KSP-RO - Realism Overhaul [16 May 2022]
gilflo replied to Theysen's topic in KSP1 Mod Releases
Hello guys, I have seen a lot of complicated google sheets about RO engines. I create mine to compare engine in the following ways so that I could design Huge launchers to send 50 Tons to 150 tons in low Moon Orbit: -Thrust ASL and VAC given by 1kg of each engine -What is the Total Mass of propellant drained in kg/s for 1 Ton of each engine -What the Total Mass of Propellant drained in kg/s for 1 Ton of Thrust ASL/VAC given by each Engine -Engine datas: Name and config, Engine Weight, HR and ISP ASL and VAC, Number of Ignitions, Type of propellant, Gimball or not, Pressure Feed Tank or not, minimum Throttle possible, The purpose is to optimise the weight of my launchers Feel free to complete https://docs.google.com/spreadsheets/d/1r_ZUX34zdgkpzcFAR7MOAD9QsSyyTCxeQ03Z5vtOVoY/edit?usp=sharing- 2,178 replies
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Hello all, I am playing Realism Overhaul KSP 1.12.3, using MechJeb2 for my rocket ascent. I built quite a Huge rocket - 2 Stages LqH/LqO - to set in orbit 400 kms my 225T charge. I never succeed the ascent using PVG method, even after reading all about PVG ascent here: https://github.com/KSP-RO/RP-1/wiki/TroubleshootingMechJebPVG I tried many classic ascent methods and send my charge in orbit with only 7527 DV Atm 9133 DV VAC with insertion behind Periapsis. Here are the parameters: Stage 1: 6 engines M1U-SL 3502 DV Atm 4208DV VAC TWR SLT 1.50 Stage 2 3 engines CobraH 4025 DV Atm 4925 DV VAC TWR 1.38 TTL DV 7527 DV Atmo 9133 DV VAC Charge: Lunar station + Injector 225T (Engine AR 22) TOW: Launcher + charge 2615T Height 182m Diameter 9m Engines Base 10m Orbit 400 kms Gravity turn begins at 100m/s, Turn shape 37,5% -End turn 150kms at -4° I do not understand why PVG can't perform this launch: I need more DV and it ends with more than 1000 kms apoapsis and low periapsis. I know it depends hardly on rocket parameters, but my rocket seems quite "standard" !
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[1.12] KSP-RO - Realism Overhaul [16 May 2022]
gilflo replied to Theysen's topic in KSP1 Mod Releases
OK, thank you for your answer, but the fact is that it is not clear when you read in the VAB about LE engines!- 2,178 replies
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[1.12] KSP-RO - Realism Overhaul [16 May 2022]
gilflo replied to Theysen's topic in KSP1 Mod Releases
Hello all, i have noticed something weird when using RO engines, family LE-5. When using throttable engines, LE-5A to LE-5B-3, i noticed that when you throttle up from minimum Throttle, the engine rpm jump from minimum to 74%, then you can use rpm between 74% and 100%. There’s no possible rpm use between 74% and minimum which is 5% for LE-5A and 3% for other engines, so engines are throttable from 74% to 100%, then you must jump directly to 3 or 5%: Is it a normal use? It is not that it looks like when reading engines datas- 2,178 replies
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gilflo started following RSS Mission inspired by Artemis Mission
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Hi guys, I launched myself this Challenge Create a remote Comment around Earth with 3 probes to control probes to the Moon Create a superHeavy Launcher, 2 stages 1st LFO (Re -usable stage) from Earth to 60 kms, then LH2O to low orbit 200-250 kms Here is the test: https://youtu.be/xkE_TTSKdFI Diameter 8m50 to launch an Orbital LunarGateway able to join a 100 kms Moon Polar Orbit: 5 launches with 1 central Core, with Lab, and habitats and 4 cryogenic tanks to dock on the central core Create a Starship, diameter 8m50, Height 50m, able to join the LunarGateway from Earth Low orbit and launch it with the superHeavy launcher Starship: 12 passengers + 1 exploration Rover and ability to survive launch crash in atmosphere. Payload to Moon from Lunar Gateway: More than 25T Mission of Starship: Land the rover that will search a site to build a MoonBase Create 3 modular moonBase elements to launch and dock to Lunar Gateway. The Starship will deliver them 1 by 1 to be assembled on moon Create and launch to lunar gateway a moon driller, able to drill, then move and refuel the Starship in order to fill the LunarGateway tanks Create and launch an SSTO Shuttle to lunar gateway for crew rotation Create a shuttle to stay near MoonBase for emergency evacuation
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[1.12.X] RealChute Parachute Systems v1.4.8.3 | 24/01/21
gilflo replied to stupid_chris's topic in KSP1 Mod Releases
Hello Is there a way to prevent chutes from autocut? I land vertically my first stage in the sea. it's very high: 92m ( I am playing RSS) Once it is landed it falls horizontal in the water after a while and then breaks: if the chute where not cut, they would prevent the stage from breaking because it would fall very slowly. Thanks for reply -
The fact is that if you don't act in a certain way, after tweak scale, one of your symmetrical fuel tank will get the right fuel according to tweak scale, and the other tank will get the initial fuel, the before you tweak scale. To avoid it, select your fuel tank, put your symetrical tank not tweak scaled, select your fuel, you'll get the original quantity with a normal tank, then tweak scale one tank, and the other tank will be tweak scaled too with the right quantity in each fuel tank. If you want to proceed with another similar tweak scaled tank in symmetry, don't take from the previous tweakscaled tank using option key, but select another original tank, put it in symmetry, then select fuel options, and tweakscale again, and so on....This is the only way to get symmetrical fuel in tweakscaled tank
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[1.12.X] Feline Utility Rovers v1.3.4 (28. April 2022)
gilflo replied to Nils277's topic in KSP1 Mod Releases
Hello, does anybody know how to board those stupid kernels, once they are on top of the ladder: they are unable to walk on the jetway to board!!!