Основные тезисы презентации Starship 2019. Выступление Илона Маска ????

???? О Starship Mk1:
— Это самая вдохновляющая вещь, какую я только видел!

— Starship Mk1 совершит первый полёт на ~21 км через 1-2 месяца

???? О Starship (2019):

Длина корабля: 50 м
Диаметр корпуса: 9 м
Сухая масса:120 (110) т
Масса топлива: 1200 т
Полезная нагрузка на орбиту: 150 т
Возвращение ПН с орбиты: 50 т

3 двигателя Raptor для работы на уровне моря (отклоняемые на 15 градусов),
3 двигателя, оптимизированных для работы в вакууме (закреплены), удельный импульс (цель) 380 с, 220 тонн тяги.
Теплозащита: на наветренной стороне корабля 6-угольные керамические плитки.

Высота системы Starship (Ускоритель Super Heavy + корабль Starship): 118 м

— Starship – новый подход к контролю управления космической ракеты (он сравнивает его со скайдайвером). Противоположность самолёта. Главная цель – развить наибольшую силу сопротивления при входе в атмосферу, но при этом не допустить чрезмерного нагрева.

— Цена запуска Starship (цель) = цене топлива

— Корабль использует больше кислорода на единицу массы, чем обычные ракеты.

— Сталь – лучшее конструкторское решение для этого проекта. При криогенных температурах она даёт такое же соотношение прочности на единицу массы, как у самых современных композитных материалов. Температура плавления стали – 1500 градусов (у алюминия и углеволокна – значительно меньше). Это полезно для входа в атмосферу. Не нужно теплозащиты на обратной стороне корабля. Теплозащита на передней стороне значительно снижена, т.к. толщина теплозащитных плиток зависит от толщины материала, который она защищает. Сталь может выдерживать большие температуры, и слой теплозащиты можно довольно сильно сократить. Это хорошо с точки зрения массы для выбранной архитектуры. Кроме того, сталь гораздо дешевле, чем, например, углеволокно. А ещё она гораздо удобнее, с ней проще работать, в том числе на Марсе.

— Дозаправка на орбите будет осуществляться на основе гравитационной перекачки топлива. До 120 т может быть перекачено при дозаправке.

— Маск говорит, что сложнее состыковаться с МКС, чем сделать такую дозаправку.

— Starship может транспортировать грузы на базу на Луне, а ещё можно полететь к Сатурну, но главная цель, конечно – Марс.

???? O Super Heavy:

Длина: 68 м
Диаметр корпуса: 9 м
Масса заправленного: 3300 т
37 двигателей Raptor
6 опор.

— Super Heavy может потерять несколько двигателей (как и Falcon 9), и это не скажется на результате миссии.

— Со временем понадобится ракета с тягой 7500 тонн силы и тяговооружённость 1.5

— Количество опор избыточно, чтобы при любом сценарии совершить успешную посадку.

— Посадка ускорителя на посадочную площадку.

???? Маск о Tesla, инопланетянах и Солнце:

— Про Tesla Roadster со Starman, запущенных на Falcon Heavy:
Мы сидели с друзьями на кухне и шутили, что самое безумное можно запустить в космос? И мне предложили машину с маленькой моделью машины внутри, чтобы привести в замешательство инопланетян.

Маск:
— Я не видел признаков инопланетян [ред. – кто бы говорил????)]

— Маск про Солнце: “У нас осталось несколько сотен миллионов лет. Есть шанс, что мы можем потерять возможность стать мультипланетарным видом. Нам надо поторапливаться и лететь на Марс”.

Ответы на вопросы после основной части презентации читайте в одном из следующих постов.

#ИлонМаск@elonmusk #SpaceX@spacex #Starship@spacex #StarshipMk1@spacex #BocaChica@spacex #Mars@spacex #FalconHeavy@spacex #SuperHeavy@spacex #Raptor@spacex #Starman@spacex

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