On crawler chassis application for future super-heavy class launch vehicles transportation

Ivanov, Alexey; Igritsky, V.

doi:10.1063/5.0035771

XLIV ACADEMIC SPACE CONFERENCE: Dedicated to the Memory of Academician S.P. Korolev and Other Outstanding Russian Scientists – 2021

DOI: 10.1063/5.0035771

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On crawler chassis application for future super-heavy class launch vehicles transportation

Alexey Ivanov¹,

V. Igritsky²

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Cited by 2 publications

References 7 publications

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Evaluation of the convenience of servicing elements of super-heavy space rockets with various technologies for their preparation

Igritsky

2021

EJSI

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Currently, Russia, the United States and China are creating new super-heavy class (SHC) launch vehicles (LV). One of the distinctive features of SHC LV and their elements is their large cross dimensions, up to 10 m in diameter, which significantly exceeds the characteristic cross dimensions of LV elements of other classes. This has a significant impact on the serviceability of these elements in preparation for launch and, consequently, on the productivity, safety and reliability of the corresponding operations, and, as a result, on the reliability of the SHC LV as a whole. The paper analyzes the ergonomics of temporary workstations used in servicing the surfaces of LV elements, depending on the curvature and orientation of the surface of the serviced element. The analysis is based on the current Russian ergonomics standards. For the lateral surfaces of the cylindrical LV elements, a comparison was made of the proportion of surfaces that are convenient and inconvenient for servicing when using vertical and horizontal technologies for their preparation and various servicing facilities. The study shows that when using the service platforms, stationary relative to the element, the vertical preparation technology becomes more preferable when the element diameter is more than 4.5 m. In this case, the rotation of the element in a horizontal position around the longitudinal axis with the horizontal preparation technology or the use of platforms moved in the vertical direction with the vertical preparation technology make it possible to ensure the serviceability of the entire lateral surface of the cylindrical LV elements. The possibility of taking into account other surfaces of the serviced element of the LV for a numerical estimation of the convenience of various options for their preparation is also shown.

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Evaluation of the convenience of servicing elements of super-heavy space rockets with various technologies for their preparation

Igritsky

2021

EJSI

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Comparative analysis of the dynamic operating modes of verticalization system layout solutions for an advanced super-heavy space rocket

Zotov

Nikitin

Yazykov

2022

EJSI

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In recent years, Russia has been working on an option of creating a super-heavy-class Yenisei space rocket designed to implement long-range programs for exploring the Moon and deep space. At the moment, the project has been suspended, but the task is still relevant. The paper comparatively analyses the dynamic processes occurring at certain operational stages of the installation unit during the verticalization of the super-heavy-class Yenisei space rocket. In order to select their optimal design, we examined several designs of certain units and elements of the rocket verticalization system. The rocket configuration introduced in this paper was used to evaluate the functioning of the installation unit, whose design can be further modified for a new product. The relevance of the study lies in the analysis of specific operating modes of a fundamentally new type of installation units, which has not previously been used in Russia and the USSR. Relying on the calculations, we found the most suitable configuration of the nodes and elements of the verticalization system. Design solutions were proposed to reduce the dynamic loads on the rocket in the process of lifting and installation on the launch pad.

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On crawler chassis application for future super-heavy class launch vehicles transportation

Cited by 2 publications

References 7 publications

Evaluation of the convenience of servicing elements of super-heavy space rockets with various technologies for their preparation

Evaluation of the convenience of servicing elements of super-heavy space rockets with various technologies for their preparation

Comparative analysis of the dynamic operating modes of verticalization system layout solutions for an advanced super-heavy space rocket

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