jonpfl

Newbie help with escape trajectory

6 posts in this topic

All,

So I can getting into orbit on occasion (but not at 3.4k but usually around 4k) and now one of my contracts is escape trajectory.  I have no clue how to do it?  I read I am supposed to get into orbit but once I do, I burn my engines to try and straighten the line out but always run out of fuel.  How?

Also, I have a space capsule in orbit with two passengers in it, is it stuck there until I rescue it?  The contract is still lit up.

Thx
jonpfl

Share this post


Link to post
Share on other sites

An escape trajectory is one that leaves the SOI of the place you're taking off from. Just take off like you're going to orbit but then keep burning the engine. If your ship doesn't have enough dV, add a stage under what you've got so far. 

Yes, the capsule is stuck there. You could eliminate the flight from the tracking center, but that would kill the crew. You'll have to send something up to rescue them. 

Share this post


Link to post
Share on other sites
6 hours ago, Vanamonde said:

An escape trajectory is one that leaves the SOI of the place you're taking off from. Just take off like you're going to orbit but then keep burning the engine. If your ship doesn't have enough dV, add a stage under what you've got so far. 

Yes, the capsule is stuck there. You could eliminate the flight from the tracking center, but that would kill the crew. You'll have to send something up to rescue them. 

I assume that means fly parallel to the ground to get into orbit but keep going until you are out of the SOI, correct?  I think I read that your elliptical orbit should turn into a straight line, right?

I keep having problems of running out of fuel, I am wondering if I am doing something fundamentally wrong since I have almost 4k of delta V and barely get into orbit.  Other have helped me to get into orbit but they told me I should be able to do it with 3.4k delta V.

When I get home, I am going to post a pic of my ship and maybe you (or someone) can comment and give me tips.  

Thx
jonpfl

Share this post


Link to post
Share on other sites

The fuel efficient way is to go for a near circular at start. And than do the escape birn on your lowest orbital point (Periapsis). And one additional escape burn stage do not realy hurt you. Take a vacuum optimased engine for it and go for full burn :wink:

Funny Kabooms 

Urses 

Share this post


Link to post
Share on other sites
2 hours ago, Urses said:

The fuel efficient way is to go for a near circular at start. And than do the escape birn on your lowest orbital point (Periapsis). And one additional escape burn stage do not realy hurt you. Take a vacuum optimased engine for it and go for full burn :wink:

Funny Kabooms 

Urses 

Ok, I will try this when I get home and also post a pic of my rocket.

I am in career mode and thus might not have the greatest engines to do this.

Thx
jonpfl

Share this post


Link to post
Share on other sites

Carrier is the best way to achive somerhing in KSP. :wink:

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now