Category: Stratos 2

Launch Campaign Stratos II Day 7

Last night has been a very stressful night for the engineers of Stratos II. The capsule team stayed up until 4:00 in the morning to perform final integration of the electronics inside the capsule section. Luckily the other engineers who did have a good night sleep made a delicious breakfast to start the day well.…
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Technical Blog: Launch Safety (part two)

A rocket, more so than other vehicles, is subject to extensive safety requirements and procedures. In part two of this technical blogpost we will discuss how safety considerations determine the countdown and flight of Stratos II. A certain trajectory Stratos II is an unmanned vehicle, as such it could just deploy its parachute on a…
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Launch Campaign Stratos II Day 6

With only one day left until the launch, today was supposed to be a very stressful day. After a tasty breakfast with bacon and eggs, the team started very early this morning to get all the subsystems ready for integration into the rocket. However, at about 10:00 (CEST) the management of the Stratos II project decided to have…
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Launch Campaign Stratos II Day 5

The Stratos II Team is getting excited with only 2 days to go until launch. The weather at the launch site INTA located near Huelva in Spain is looking very promising. The temperature is not too hot in the morning, which is essential for the launch. The rocket motor stays cool. That is why we…
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Launch campaign Stratos II Day 2

Today was again a busy day full of preparation activities before the launch day next week. The day started early in the morning around 7:00 with the mist still not being fully cleared. The crew enjoyed some breakfast accompanied by ‘typical’ Spanish music. The activities planned for this day were the igniter tests of the…
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Dress Rehearsal Stratos II Launch

The dress rehearsal of the Stratos II launch took place on the 28th and 29th of August 2014 inside the Dreamhal Building of the TU Delft. During the rehearsal the electronics team, capsule team and the propulsion team assembled their systems. Moreover, the launch tower set-up and the mounting of the rocket were rehearsed and…
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Production of the Glass Fiber-epoxy Nosecone

The new website is already buzzing with activity, and here is yet another news blog concerning yet another team of the Stratos II project; the Capsule & Recovery team. The past few weeks we have performed considerable rocket-craft in our workplaces and the composites lab of the faculty of Aerospace Engineering. The main objective was to…
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Stratos II Main Electronics Stack

Electronics Team One of the sub-teams within the Stratos II project is the electronics team. In the picture below you can see the most advanced device ever developed and built by the DARE electronics team, the Stratos II main electronics stack. This is what years of experience handed down by multiple members and new developments have lead…
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Quality Control of Solid Fuel Grains

  As reported, two solid fuel grains where produced last week. After casting the molten fuel into the liner, it shrinks significantly during cooling. This shrinkage gives rise to a risk of internal porosities and tears in the grains. This porosities will cause uneven regression of the fuel grain and less stable burning. This is…
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Stratos II newsletter – August 2014

Dear readers. It has been quite a while, but we finally put out another newsletter on the Stratos II project. In this small, concise document you can read in a short summary about the latest developments of the Statos II project. For the latest updates and more in depth information check our online blog updates…
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