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How are you landing your rovers?


GalaxyGryphon

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Wouldn't the rockets do the exact same thing as well?

It should, if you fire up an rocket and decouple it it will continue to burn. One tips is to give too low trust to lift the rover and then decople skycrane who will fly away.

If you use multiple landing rockets don't send all at once, I did during an test on kerbin and they collided over the base.

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What I've done before is to land a small lander module, then fly the rover off of it. It's not as clean as a skycrane and only works in low-gravity environments, but the balancing is a lot more tolerant. (RCS usually works, but for the larger rover below I used radial engines attached to Oscar-B fuel tanks.)

xc2mp.png

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AFAIK KSP can't handle gimballed engines ABOVE CoG.

They gimbal always like CoG would be above them (like in traditional rocket).

Some way around this is locking gimbals, but you need other means to steer in that case (more torque or RCS)

Also you can add some ballast to make CoG align perfectly with CoT

Edit Somehow I didn't notce that this thread is 8 pages long... and what I wrote is nothing new...

Edited by unWinged
Ninja'd
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I am noticed something very very odd..... if i remove the ASAS it flys almost perfectly, as soon as i put it back on the ship is uncontrollable..... a glitch?

edit: i think it has something to do with activating it before launch. as i put it back on and didn't use it, and it once again flew fine.

Your center of mass looks to be very slightly AHEAD of your center of thrust.

ASAS does not account for this, and will therefore give inverted control commands to your vectored engines if they're in front of the CoM.

Try lowering the engines.

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This is Munbus 3 - designed to round up all the Kerbals I've stranded on the Mun. It'll carry 17 (incl. driver) Kerbals in total.

-snip-

Neat, and well-balanced design. For some reason it has some similarities to my smaller Mobile Munbase :D. Also, nice practical (non-overkill) approach to the launch boosters.

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Edit Somehow I didn't notce that this thread is 8 pages long... and what I wrote is nothing new...

It's only 8 pages long if you haven't edited your forum settings. It just hit page 3 for me :)

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This is my favorite method.

KIEmphL.jpg

I've built some dual tiny rovers that land in pairs slung off the side of a lander, and a few giant rovers with landing rockets built in, but I like medium sized rovers, and this works great for those.

Here's version 2 of that rover on the launch pad.

gh8DXPr.jpg

Edited by Ogre
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Just a quick demonstration around Kerbin. The rover comes with a heat shield and drogue chutes for atmospheric landings.

XrQN22D.jpg

After the heat shield is released the drogue chutes are deployed. I like self-powered rovers for hopping over difficult terrain/righting itself if it flips. The parachute stage comes with landing lights for night landings.

myTKkr3.jpg

When within a few meters of the ground the rover comes to a hover and the parachute stage is released.

rSxg0P4.png

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I revised my last design. This one can land, undock and drive around, dock to a matching lander, come back and re-dock with the lifter and then head back to orbit.

screenshot56.png

Edited by Eleven
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I don't generally go the Skycrane route. My preferred method is to have detachable side sections containing the vertical-lift engines; once on the surface, I have the option of leaving them on, or dumping them to save weight. The CBM 2.5m docking ports are essential for this, as they have far higher strengths than the stock ports (even the new Sr. port).

This assumes I'm not landing on any body with an atmosphere, though. For those, I'll either use parachutes or wings, depending on how precise I need to be on placement.

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  • 1 month later...
A stage mounted on top of the rover thrusters that slow it down, hover it sligve the ground, and then decouple. The rover drops down safely, and the skycrane flies off and crashes somewhere.

~awesome buggy gif~

Sorry, if this was asked already, but how did you make wheels to do that?

EDIT: I just read all thread and found out the answer, no need to answer to my question.

Edited by Drag146
I found out the answer
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I landed my first rover using an overly complicated skycrane system that successfully deployed the rover and then landed on the Mun. Unortunately, I misjudged the skycrane landing and used way too much thrust. It's parked about 50 kilometers from the main landing site. Bob is still there, waiting for me to get him.

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roverlander.png

this is my rover lander. 4 small engines, 4 landing legs, 2 parachutes, one docking port. thats all i need. i successfully deployed rover on eve, duna and some low gravity moons with this. it may not have enouth fuel for bigger moons though..

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