The selection method for basic parameters of the spindle of the three-positional hydraulic jack-brake included in the modified guidance device for carrier rockets of the Soyuz family

The relevance of this study derives from the need to improve launching equipment for carrier rockets of the Soyuz family, particularly, the hydraulic jack-brake of the guidance system. The existing hydraulic jack-brake cannot be used with some modifications of the carrier rockets as it would require dismantling and reassembling to launch different types of carrier rockets. The study investigates a possibility of creating a universal device that could be used with all the modifications of carrier rockets of this family. The selection method for basic parameters of the spindle profile of the three-positional hydraulic jack-brake is analyzed. The hydraulic jack-brake is used to remove the frame structure under its own weight. A modified guidance device from the existing and future rocket launch equipment is used as an example. The utilization of the guidance device modified with the universal threepositional hydraulic jack-brake will make it possible to launch carrier rockets of various modifications on the same hardware, which will greatly simplify the process of preparation and launch. The results of the calculations have shown that the use of this method is justified.

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