Project 621

In today's article we are going to talk about Project 621, a topic that has undoubtedly generated interest and controversy in recent times. Project 621 is a topic that has captured the attention of experts and the general public, since it impacts different aspects of our daily lives. Throughout this article, we will explore the different facets of Project 621, from its history and evolution to its impact on today's society. Additionally, we will examine possible solutions and alternatives to address the challenges associated with Project 621. Lastly, we will look at how Project 621 has influenced the world today and what we can expect in the future.

Project 621 was a project by the Dornier company with the intention of producing a sounding rocket with liquid-fuel propulsion. It was to use a paraglider system to return safely to earth for later re-use. It had a wet mass of 240 kg (520 lb) and a dry mass of 74 kg. The rocket itself was never launched.

The rocket of the project was supposed to reach an apogee of eighty kilometers, and then return from a height of forty kilometers, spiraling to the ground. In 1965, multiple drop tests of the paraglider system on the rocket test area in Salto di Quirra in Sardinia was performed.

The project was halted in 1966, after large problems occurred regarding the choice of a suitable wing material (textile wings could not handle the loads, while wings made of high-grade steel could not withstand the airflow without major problems).

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