Venera-4 Interplanetary Station

Scale model
Date of appearance: 1967
Developer: NPO Lavochkin
Manufacturer: Moscow Experimental Factory of Visual Aids
Made in: Khimki, USSR
Scale: 1:10
Dimensions: 430 × 200 × 350 mm
Weight: 1.53 kg
Materials: metal, plastic
Colors: white
Tags: cosmos, birthofnewage, polytech, space


This is the fourth in the series (the eleventh in the construction line) of Soviet interplanetary probes designed for the study of Venus. It was developed by the design bureau of the Lavochkin machine-building plant in Khimki. Every single launch of interplanetary probes to the surface of Venus brought more data about this planet. This enabled the engineers to modify the design of the subsequent stations. "Venera-4" was built to handle the temperature of 425 degrees Celsius and the pressure of up to 10 atmospheres. The station was supposed to deliver the lander to the orbit of Venus. The lander, in turn, was designed to study the physical and chemical parameters of the planet’s atmosphere. "Venera-4" was successfully launched on June 12, 1967, and on October 18 of the same year, the station reached Venus. The mission went according to the initial plan: the lander separated from the orbital module and at the altitude of about 60 kilometers began the parachute descent and transmission of telemetry to Earth. Unfortunately, the estimates of the atmospheric pressure on Venus were ten times understated, so after 93 minutes at about 30 kilometers, the apparatus was crushed when the pressure exceeded the safety margin of 20 atmospheres. However, the data that "Venera-4" managed to transmit changed the understanding of the structure and composition of the atmosphere of Venus. Thus, in future landers, the margin was successively increased to 180 atmospheres, which finally led to "Venera-7" landing safely on the planet’s surface.

Venera-4 Interplanetary Station
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