Anatoly Zak
20K posts
Anatoly Zak
@RussianSpaceWeb
Author of Russia in Space; journalist, illustrator. Clients: Popular Mechanics, Aviation Week, Air & Space Smithsonian, Aerospace America & others.
Katılım Ağustos 2009
291 Takip Edilen25K Takipçiler
@ScudBee It is a development project aiming to have a reusable first stage, whether it will ever succeed is another question covered in this section.
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@RussianSpaceWeb How is it “partly reusable” if it never flew, let alone landed?
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Our new home page for the Amur-SPG partially reusable, methane-burning rocket: russianspaceweb.com/amur.html
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@pararapararan I think it was supposed to be a 100-ton engine, but now appears to be preceded by a pre-cursor with around 85 tons of thrust. Not sure about the exact architecture, but this section is a work in progress.
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@RussianSpaceWeb rd-0169 is fuel rich or oxygen rich? what's the thrust?
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Roskosmos conducts a rather rare parallel cargo ship launch campaigns in Baikonur, with Progress MS-34 in early tests and Progress MS-33 on the pad, in an effort to make up the ISS resupply schedule after the November pad accident.
Context: #progress_ms34" target="_blank" rel="nofollow noopener">russianspaceweb.com/2026.html#prog…
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Anatoly Zak retweetledi
.@Astro_Jessica and @AstroChrisW powered on their spacesuit batteries at 8:52am ET and are now exiting the space station, beginning their six-and-a-half hour spacewalk to install a solar array modification kit. nasa.gov/blogs/spacesta…
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@RussianSpaceWeb A group of engineers who spent decades working on programs such as Energia-Buran, Zenit, and Sea Launch - now working from different parts of the world - are contributing to a new international launch effort. Would this be of interest to you?
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@umayr The current launch pad in Baikonur can only be used for satellite launches: russianspaceweb.com/soyuz5-lv.html
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@RussianSpaceWeb Is the main aim with Soyuz-5 larger payloads for sat launch, or something else?
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A Soyuz rocket is installed on Pad 6 at Site 31 for the first time after the November 2025 accident and subsequent repairs:
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A Soyuz-2-1a rocket with the Progress MS-33 cargo ship rolled out from a vehicle assembly building for a series of interface tests with the repaired launch pad at Site 31, ahead of Sunday's launch to the ISS: #progress_ms33" target="_blank" rel="nofollow noopener">russianspaceweb.com/2026.html#prog…
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Progress MS-33 cargo ship was encapsulated inside its fairing in preparation for an ISS resupply mission scheduled to lift off on March 22: #progress_ms33" target="_blank" rel="nofollow noopener">russianspaceweb.com/2026.html#prog…
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@SgtSchrodinger Yes, on the Core Module, attitude control was maintained exclusively with the reaction control system, while gyros were delivered later, so I assume the pictured scene is plausible.
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@RussianSpaceWeb Sounds like the the base block core module wasn't equipped with reaction wheels/CMGs for attitude control to save propellant with. I know Kvant-1 had them, but I didn't know if the base block had them as well to start with.
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40 YEARS AGO TODAY:
First Mir crew launches
FULL STORY: russianspaceweb.com/soyuz-t15.html
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Newspaper clippings from my archive dating back to the late 1920s-early 1930s, putting the start of Goddard's research in rocketry at the 1911-1913 period:
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Today marks 100 years of bad cropping the historic photo capturing the world's first flown liquid-propellant rocket in 1926: russianspaceweb.com/chronology_XX.…
NASA History Office@NASAhistory
A 2.5-second rocket flight that heralded decades of discovery in space! Today marks 100 years since the first successful test of a liquid-fueled rocket. Robert H. Goddard's achievement would have appeared unimpressive by most measures: His rocket flew just 41 feet in the air, landing in a nearby cabbage patch. Liquid-propelled rocketry has been the backbone of spaceflight ever since. 📷 by Esther Goddard on March 16, 1926 (Clark University Archive)
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@SgtSchrodinger You can often see vehicles firing attitude control engines during the final approach, so I assumed Mir was supposed to maintain its orientation at docking.
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@RussianSpaceWeb Is that a bit of artistic license there with Mir firing its thrusters while the Soyuz docks?
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Progress MS-31 undocks from ISS to clear the way for the next resupply mission: #deorbit" target="_blank" rel="nofollow noopener">russianspaceweb.com/progress-ms-31…
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