In‐Space Ignition Milestone

THIS TUTORIAL IS WIP AND NEEDS #2944

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Introduction

The Demonstrate Engine Ignition In Space contract will be your space program's second foray into orbital flight, and is a major milestone in your career. Designing this rocket will require knowledge of vacuum attitude control and propellant settling design and is the second step towards designing orbital rockets of your own! The rocket, tech-wise, is slightly more technologically advanced than the previous chapter's guided rocket, as it uses better engines configs.

Contents

• 1: Contract Requirements
• 2: Creating The Upper Stage
• 3: Creating The Lower Stage
• 4: Running A Sim
• 5: Completing The Contract
• 6: The Next Step

1: Contract Requirements

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2: Creating The Upper Stage

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3: Creating The Lower Stage

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4: Running A Sim

Before running a sim, we need to make sure our staging is correct. Since the RD-101 needs time to spool up, stage it before the clamp.

5: Completing The Contract

All that's left now is to actually build the rocket! Since our new engine burns a new fuel, Ethanol90, as well as exceeding our pad weight limit of 15 tons, we'll need to modify our LC. The modification could take some time depending on how you modified your LC before now, but it shouldn't take more than a month to complete; mine took 20 days.

6: The Next Step

The next contracts after this are the In-Space Ignition Milestone and the First Advanced Biological Suborbital Experiment contract. The first one is just In-Space Attitude Control with a 2500 m/s burn after the attitude portion. The latter is fairly easy; just go really fast with an advanced biological capsule and some sounding payload. As the First Advanced Biological Suborbital Experiment is fairly easy we won't be covering it in the tutorial.

So, congrats! You have just made your first step toward orbital rocketry. This is one of the first difficult contracts you will complete, and has hopefully prepared you for in-space maneuvers. The next chapter will cover how to build a two stage rocket and perform an unguided in-space burn.

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