Space Rocket History Archive

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Space Rocket History #144 – Lunar Orbiter 2 – 5 and Wresat Aug 01, 2019

Show notes

A total of five Lunar Orbiter missions were launched by the US in 1966 through 1967. The purpose of the lunar orbiter series was to photograph the moon’s surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.

Space Rocket History #143 – The First Soyuz Automatic Docking and the Secret Plan Aug 01, 2019

Show notes

After 1957, the Soviets became accustomed to achieving “world firsts” in space accomplishments. Nevertheless, 10 years later they were not confident that they could pull off the world’s first fully automatic rendezvous and docking of two un-piloted Soyuz spacecraft. At the time the chance for success was estimated at only 50/50.

Space Rocket History #142 – Venera 4 Aug 01, 2019

Show notes

“It seemed that the nearby and mysterious planet was resorting to tricks to hide the secrets kept beneath its cover of clouds. As the probe drew nearer, Venus’ gravitational field increased its speed. The Doppler effect altered the wavelength of the signals received on Earth. The radio operators needed to be particularly vigilant so that the information sent from the station consistently landed in the narrow “throat” of the ground-based receivers.” Boris Chertok

Space Rocket History #141 – Soyuz 1: The Crash Aug 01, 2019

Show notes

“It’s a terrible scene. Komarov burned up. All the instruments burned. We must quickly find out what prevented the main parachute from unlatching.” Chief Designer Mishin after he arrived at the Soyuz 1 crash site.

Space Rocket History #140 – Soyuz 1: The Flight Jul 06, 2019

Show notes

“I was the last one to see him alive and I told him ‘See you soon!’” Yuri Gagarin, recalls bidding farewell to his friend Kamarov in Soyuz 1.

Space Rocket History #139 – Soyuz 1: Preparation Jul 06, 2019

Show notes

With the success of Kosmos 146 and in spite of the failures of the first three 7K-Ok’s it was now time to plan for a Soyuz manned mission. The planned involved the launch and docking of two piloted Soyuzes. Soyuz 7K-OK production model number 4 was assigned the role of the active vehicle. The active vehicle was supposed to carry one cosmonaut into earth orbit. Twenty-four hours later, vehicle No. 5 (the passive vehicle) carrying three cosmonauts would be inserted in orbit. After rendezvouing, two cosmonauts from vehicle No. 5 would transfer through open space to vehicle No. 4.

Space Rocket History #138 – Soyuz Test Flight No. 3 – Kosmos 140 Jul 04, 2019

Show notes

Chief Designer Mishin proposed a two-launch “stopover” scenario for the piloted flight to the moon. This was similar to one of NASA’s earth orbit rendezvous modes to reach the moon. The gist of the plan was, the UR-500K would insert the 7K-L1 into orbit with no crew. Then the R7 derivative Semyorka would launch the 7K-OK carrying two cosmonauts. If everything went well on the two vehicles, they would dock, and the cosmonauts would transfer from the 7K-OK to the 7K-L1 via spacewalk. Then they would set out for the Moon, and, after flying around it, they would return to Earth.

Space Rocket History #137 – Apollo 1: Changes and Recovery Jul 04, 2019

Show notes

After the uncertain days of February 1967, NASA officials began to realize that a recovery from the tragedy was under way. Through hard work and problem solving, morale of Nasa personnel started to improve…

Space Rocket History #136 – Apollo 1: What Went Wrong Jul 04, 2019

Show notes

What went wrong? Even years after the investigators began to sift through the wreckage of Apollo 1 piece by piece, no one could say exactly. But within weeks the general picture became clear: The fire was a disaster waiting to happen.

Space Rocket History #135 – Apollo 1: The Investigation Jun 04, 2019

Show notes

The tragedy of Apollo 1 was widely reported in the Soviet Union. The Soviets sent condolences and letters to the families of the men who had died. But, the Soviet Press criticized the US for an overzealous attempt to send men to the moon.

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