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    make sure you target the satellite that you want to dock with(in map view - tap on the target satellite, and the button that looks like a square will target it), then if you tap on the velocity meter(at the bottom of the screen) it should toggle between the velocity relative to the target or orbit...then in the auto burn screen, it should also show your closest point and velocity(to the target) under the projected path of your craft

    5.1 years ago
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    ok - cool, so more of a mobile device/craft issue, and not a limit of the mobile version...im glad to hear my old galaxy note 4 phone is holding strong - i started with craft graphics on "low", but moved it to "medium" about a week ago - it will slow down every once in a while, but usually recovers in a couple seconds....eventually i have to try it on windows - the detail of this game is amazing

    5.1 years ago
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    ok - yeah, it says 314 parts - wonder why its working on my phone, i did a test flight to urados(thinking that would be the answer), but ill remember to keep it under 300 in the future

    5.1 years ago
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    thanks for the quick response ...but, hmmm - i built and used it on mobile(i only have the mobile version) - it is a little more detailed than my other uploads, but worked on flights so far

    5.1 years ago
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    make sure the landing legs are in a action group(there is a "landing legs" name by default). in the "part proprties" of the command pod/chip, there is a "edit activation groups" button, and you can select which action groups start "on" or "off" - it might take a second for them to lower...so im not sure if it will work if they need to be down to stand up immediately

    +2 5.1 years ago
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    i usually get into orbit first, and try to aim the escape from lunas gravity in the opposite direction of lunas orbit(in relation to droo) - to lose some speed...once the rocket is out of lunas gravity, retrograde burn until the orbit gets close to droo, and you can use the atmosphere to slow down

    5.1 years ago
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    ok - thank you, wasnt sure if i was missing a setting or something

    5.1 years ago
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    the best use i could find for the nuclear engines is orbiting satellites or docking, the low thrust is good for dialing in the orbit to exactly where you want it, to get into rcs range...and water usually has a good amount of delta v in small tanks

    5.1 years ago
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    the nuclear powered engines can use water or hydrogen for fuel - the water is about 10 times denser than hydrogen, and will make the tank alot heavier but burn longer

    +3 5.1 years ago
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    there are some good youtube tutorials on the rendezvous - target the satellite, and once you are approaching the nearest point of orbit to the satellite, tap "target lock"(under the prograde/retrograde lock) and the green orbit arrow will show your orbit relative to the satellite(instead of the planet). once that is locked, you can do a burn to match your velocity if you tap the "velocity" meter it should switch to your velocity relative to the target, that should be close to 0 m/s when you can switch to rcs for aligning to dock. make sure your view of the satellite that you are controlling is aligned with the rcs in "translation mode"...so when you push up, down, left, right on rcs, it moves the right direction - i put a little fin on the rear of top side of my satellite so it was easier to see the "up" side - i wouldnt call it easy, but it is fun - i hope this helps

    +2 5.1 years ago
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    great explanation - you can also check how efficient each type will be by looking at the TWR and Delta V while changing fuel types to see which one will give you enough thrust to lift off, or enough km/s to reach a target...those 2 numbers help me alot with the size of the tanks

    5.1 years ago
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    if the parts are not directly connected to the fuel tank ("battery" selected as type) - it might need the "fuel line" selected on all the parts between your robotic parts and the battery fuel tank...like if the battery tank was on the top of the rocket, and a rotator was on the bottom part, just turn the "fuel line" setting to "on" in the settings of those 2 parts, and every part between them, and they should operate - same for monopropellant and rcs, or xenon tank and ion engine

    5.1 years ago
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    i think the aerospike nozzle is made to be efficient in vacuum, so i have never used it to launch. but another option would be to use some small rockets, just a little lower than the middle engine (with the radial mirror mode) and interstages just to stand up on take-off, and discard them after launch.

    5.2 years ago
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    i will give that a try, thank you

    5.2 years ago
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    i agree with that, for functionality - like adding shocks to land easier, or more solar panels to charge batteries, or more stages for efficiency - but not making a fuel tank out of 50 parts to make it look rounded (or i would play auto cad) - im not trying to downtalk anyones super realistic giant crafts, i wish the mobile version would fly them...but it doesnt, and doesnt recognize alot of the parts that aren't in the mobile version parts list.

    5.2 years ago
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    im not looking for anything specific, just tying to see if there is a way to filter out the giant ones that are built to look super realistic, which are pretty cool, but it doesnt run good on the andriod around 300+ parts. i have downloaded a couple that never run out of fuel with empty tanks to start, and just keep flying, which kind of takes the fun out of ..for me at least. maybe its just too soon after the mobile version released

    +1 5.2 years ago
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    i got it to work once, but not sure how. what does the button look like to activate the auto burn?

    5.2 years ago
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    no problem, glad it worked out - i usually build the satellites seperate also...its easier to modify them without having to take apart the whole fairing to see it

    5.2 years ago
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    it took me a couple of tries, and some help to get the ion engine to work - my try produces 20N (0.020kN) of thrust, and will only move a really light satellite(so far) - but it needed a command chip xenon battery, regular battery, solar panels, and the ion engine (i turned the "fuel line" on each part)...but it still runs out the battery faster than the solar panels charge it. im not sure if the battery recharges the xenon battery, but my small xenon tank is still at 100% after a bunch of burns that ran the regular battery down. i uploaded it, if its any help to look at

    5.2 years ago
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    when you are in the builder screen, just drag the whole satellite into the square on the top left that says "create subassembly" - it looks like the trash can square, but on the opposite side of the screen, and only pops up after a assembly is highlighted. when you want to load it, if you click the "add part" icon, the bottom square icon (under gizmos) is the "load subassembly" - it will show your list of subassemblies

    +1 5.2 years ago
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    first (usually once im in orbit around Droo, in "map view") tap on your target(we will say "luna"), then hit the middle icon on the right side of the screen(it should say "map view") - in that pop up box, tap the top right icon (it looks like a square target) - it should say "luna targeted"

    now - if you tap on any specific point on your orbit, a "+" will appear. tap on the plus and there will be icons for prograde and retrograde burns, ect. - if you slide them in either direction, it will show a projected orbit for a burn on that point. this is where i guess where "luna" will be in its orbit, and aim my orbit at that distance. (usually a prograde burn with the "+" on the opposite side of droo as my target)

    now, when your projected burn orbit is reached out to where you want it, tap on any point of that orbit, and it will show where "luna" is located in relation to your rocket (there will be a rocket icon on your projected orbit, and a "luna" icon on its orbit with a "closest distance" pop up under it)

    the goal is to have your rocket, and target ("luna") at the same place, same time.

    this would be so much easier to explain with some screenshots, but i hope it helps...i still havent figured how to do "auto burns", but its got to be somewhere in that sequence.

    +1 5.2 years ago