Kuboid Profile picture
Apr 15 16 tweets 5 min read Read on X
In today's thread I'm sharing a set of (as far as I know) previously unpublished online information about the Tochka missile system.
The material consists of a set of 15 large format diagrams, initially used as teaching aids for technicians and system operators in training and presents a wealth of information about construction and operating principles of the Tochka missile. Everything comes from declassified archival sources, freely available, though not in digital format.

For each large diagram I provided its number in the whole set, a translated title, and a brief summary of major elements shown - assume they are listed in a top-bottom, left-right order unless indicated otherwise. Providing exact translations of the whole thing would be a lot of work, but I ensured it is easily readable and the information is largely conveyed visually, hopefully this will be sufficient.
Small disclaimer: all figures were post-processed by me to ensure possibly flat, aligned projection (removing various photo distortions and paper warp) which may lead to some warping of the figures.

1. - 9M79F (K, B) missile general view
general combat-ready missile view, section connector and locking mechanisms, missile in transport arrangementImage
2. - Instrument/guidance section
general views, assembly attachment points Image
3. - rocket engine section
pyrocatridge (ignition mechanism), general engine cross sections Image
4. - rear missile section
general structural views, access panel attachment points, sub-assembly attachment points Image
5. - 9Ya234 missile transportation container
locking mechanism, general views, relevant markings and sealing stamps Image
6. - 9B63 guidance system
electrohydraulic diagram Image
7. -9B64 guidance gyroscope
general gyroscope assembly, electrokinematic diagram, functional kinematic diagram, bottom yellow boxes: rotation axis stabilization and guidance diagram, pitch/yaw axis stabilization and guidance diagram, control signals amplifiers diagram Image
8. - 9B64 guidance gyroscope sub-assemblies
Cardan suspension (gimbal) assembly, program control mechanism, gyroscopic integrator, kinematic system of the gyroscopic integrator, electromechanical diagram of program mechanism, gyroscopic integrator engine, gyroscope assembly, gyroscope kinematic diagram, capacitance impulse sensor, zero-velocity sensorImage
9. - 9B65 analog-digital computer
general block schematic of internal signal flows, some inputs and outputs Image
10. - 9B66 onboard automatics complex
block schematic of various internal voltages and control signals as well as general internal logic, decision process for various internal high level commands for other subsystems Image
11. - 9B616 control surface actuator mechanism
general hydraulic schematic of actuator system, various assemblies, bottom yellow frames: control surface actuator diagram, pump, 9B67 hydraulic supply system schematic Image
12. - 9B149 turbo generator
9B152 gas turbine assembly schematic, some performance characteristics, assembly diagrams Image
13. - 9N123F HE-Frag warhead with focused effect
general cross section, safety & arming mechanisms, relevant markings Image
14. - 9E118 laser fuze
optical system, mode and arming switches, general view Image
15. - 9Ya236 warhead transport container
silica gel cartridge for internal humidity control, all relevant markings for warhead types, general views Image
That would be all for today regarding Tochka missile, hopefully it was informative - I will likely return to the subject eventually, as I have access to other primary sources on the missile and launcher systems, but as a very complex subject this may take a very long time - I wouldn't want to attempt it without a solid understanding of everything involved first.

(Also, this thread serves as a 1000 follower milestone post, yay)

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More from @Kubojd

Mar 11
In this thread (hopefully the first of many), I’ll discuss the Infrared Search and Track (IRST) systems of the MiG-23 aircraft family, covering historical, doctrinal, and technical aspects. I will briefly go through some context and high-level concepts as well. @Combination_K @Crngman @BaA43A3aHY @Lantirn40KThe doodad present under the nose of a MiG-23MF at a museum.
Since early on in the MiG-23’s development, Soviets placed great value on a dual-sensor capability. There isn’t a single reason; rather, the main ones are: a backup search-and-track capability in heavy electronic jamming environments, the ability to silently approach and engage targets, and an alternative to radar use in heavy clutter conditions.
Soviet GCI (ground control intercept) methodology allowed for precise, data link–controlled approach to the target, prioritizing trajectories that maximized the chance of ambush. This frequently involved low-altitude, high-speed dashes and pop-up (gorka) attacks from the rear hemisphere, with radar emissions delayed until just before firing and pre-cueing the lock via DL. In such circumstances, the IRST offers two advantages: it enables continued GCI-independent search for threats while following the intercept trajectory without emissions, and it maximizes the chance of success in the final ambush when IR missiles are employed.Image
Image
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