Simple Launch setup with a Pressure Fed Engine - Stationeers: Ep24

Simple Launch setup with a Pressure Fed Engine - Stationeers: Ep24
#gameplay #survival #letsplay #craft
A new season of Stationeers, again starting on Mars.
In this episode, we launch our first rocket and start exploring the moons of Mars, but can we land again without destroying our rocket or landing pad?
#stationeers #tutorial
You don't have to be a rocket scientist to do this, but it helps! 😁
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Chapters
00:00:00 Introduction

[@dragonflygameruk4094]

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[@dacoz]

@30 minutes the reason why your pump is cycling on/off is because you are turning it off at the beginning of each loop of the programing. (not a problem if it is run once, but if you are looping it, it will try to turn it off each cycle.) you should have the standard state (off) before the beginning of the loop, and a turn off based on the lever.
disregard my comment if you have noticed it before the end of the video.

[@dragonflygameruk4094]

@dacoz Thanks. Thanks for your comment.
I did eventually spot my error and fixed it.

[@charlesheath7571]

First off TY TY TVM for ur mistake of using the wrong engine, now I’m upgrading my rockets to the pressure fed engines. I’ve also made it fuel efficient! It’s feed pipe is pressurized at 50MPa when launching or landing, and set to 15MPa in space to save on fuel. (50MPa=30kN ish 15MPa = 6kN ish)
The only things that add wt to a rocket are fuselages engine miners (500kg ea) space ice/ore (1kg per 100 aka a stack) and fuel 0.016 kg per mol of H2 /O2, added together. So if it’s not those things load it to the max with pipes for extra volume for more fuel!

[@dragonflygameruk4094]

@charlesheath7571 you're welcome. Thanks on the info, regarding masses in the rocket.
In the next video I switch back to the Pressure Fed Gas Engine, in the video I have it set to 48MPa with a small header tank, as I had 50MPa burst pressure for the pipes in my head but I've subsequently realised the burst pressure is 60MPa so I've now upped it to 58MPa and get 38Kn of thrust at lift-off and it leaps off the launchpad like a gazzelle.
So, does the engine run more efficently at the lower pressures in space?

[@charlesheath7571]

@@dragonflygameruk4094 it’s not that’s more efficient in space it cause you only need 1N of thrust to move. The way I do this the WeightToThust from the avionics, l r0 avi ThrustToWeight , sltz r0 r0 then it branches down to a diff loop set to 15MPa. The reason why it’s slower but my fuel times goes from 600 to about 4000 and an small increase of my eta. Also when landing, as soon as start to comedown cause mars gravity my ThrustToWeight becomes more than 0 so it goes to the full throttle mode and will stay that way for relaunch!

[@dragonflygameruk4094]

@charlesheath7571 Once you're out of the gravity well and in orbit, if there is no efficiency improvement at the lower pressure, you're simply trading speed for time. It will still take x number of mols of fuel to change speed by y Delta V.
I might have to try testing this out to see if there is any difference.