That includes the following automatic steps:
1. Finding the launch window and timewrap towards it (on command)
2. Launch on window
3. Low Droo orbit and circularization.
4. TransLunar injection burn.
5. Luna orbit and circularization.
6. DeOrbit and landing burn (on command)

It would be better done in video but I don't wanna go through recordings and editing when there's no one interested. I'll do it if I got more 5 followers, UpVotes or comments for this post


13 Comments

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    8,458 crowxe

    EP 1: https://www.simplerockets.com/Videos/View/52899

    Pinned 4.9 years ago
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    6,278 Pjork

    Impressive

    +1 5.0 years ago
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    8,458 crowxe

    @Rizkyman fifth UpVote means will do the video soon

    5.0 years ago
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    22.8k Rizkyman

    Already upvote

    5.0 years ago
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    8,458 crowxe

    @CasualCrusade
    I realised that after doing my first luna gravity assist, I realised I need more delta v than when I do my Mars burn from Droo . I can't exactly grasp the mechanism or concept that makes less perigee to be more effective at injection burn

    5.0 years ago
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    @Jetspeed1001 not exactly... To get into a 500km, circular orbit and, subsequently, execute a TLI would require more Delta V than getting into a 100 km orbit followed by the same action. Check out the Oberth Effect.

    5.0 years ago
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    why exactly a low droo orbit? wouldn't a high droo orbit be best for goin beyond droo?

    5.0 years ago
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    That would be a good sandbox..

    5.0 years ago
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    8,458 crowxe

    That sounds close to what I would have done until I came to the idea of revolving command chip (the basic principle of the SR2 radars) , I use the window parameter you mentioned , 30 degrees. I include the radar in my craft , find the direction to Luna and then measures the remaining angle (if you just missed the window by 5 degrees then you'll need Droo to rotate 355 degrees) I add around 7 degrees before the launch window (time to orbit). Based on the angle remaining and the length of lunar day, I order a time wrap and launch. The rest is easy but full with tiny obstacles that sometimes don't appear until I encounter them by accident through varying conditions

    5.0 years ago
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    I’m thinking there’s 2 solutions to this problem: a 2 craft and a 3 craft solution:

    • In the 2 craft solution, one craft can either be in space or on the ground which will serve as the trigger craft. Essentially this craft triggers step 1 and 2 from above, which will activate the launch vehicle’s sequence which will be timed as such that:
      •The craft will launch x minutes after the activation program occurs
      •The orbital sequence is straightforward: Make a gravity turn which puts in on a ideal trajectory, give it a standard Apoapsis such as 85-150km, and circularize, completing step 3.
      -For step 3, however, a special requirement must be met: the Apoapsis or periapsis must be placed specifically in the prograde direction of Luna’s path, at roughly 30-40 degrees to the left of Luna. This will account for the timing mechanism needed to perform a prograde maneuver which will rendezvous with Luna Apollo style, fulfilling step 4.

    -And the rest would be pretty straightforward. Just rely on timing of the periapsis and Apoapsis and the altitude of both.

    Edit: on the 3 craft solution one craft in orbit would detect the Luna Launch window with some sort of programmable clock. A ground craft (eg. The radar) would store this data and when a spacecraft is on the launchpad it could send a signal to the radar unit which will indicate a craft ready for a lunar trip. Then the radar would receive the data from the satellite in orbit with the launch window and would launch the craft as soon as the conditions (that the craft exists and that a launch window is occurring) are met.

    Edit 2: why not one craft? To reduce runtime lag. If all of these tasks were occurring on an actively operating craft (which might or might not be necessary if we can’t transmit information between craft yet) it would be bad on frame rate, as I found out while testing the Droosat launch vehicle which came out recently with 50+ satellites (and of course a monster program!) so outsourcing programs to be pre-run by other craft would simplify the craft actually going to Luna.

    +1 5.0 years ago
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    One interested here!

    +1 5.0 years ago
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    8,458 crowxe

    @Jaime731 only the system start up and the Luna DeOrbit/landing . We don't wanna rocket launch or land when we're not paying attention

    5.0 years ago
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    Six step on command?

    5.0 years ago

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