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RD-107: Versions, Design & Production
The RD-107 (Russian: Ракетный Двигатель-107, romanized: Raketnyy Dvigatel-107, lit. 'Rocket Engine 107') and its sibling, the RD-108, are a type of rocket engine used on the R-7 rocket family. RD-107 engines are used in each booster and the RD-108 is used in the central core. The engines have four main combustion chambers (each with a nozzle) and either…
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RD-107 topic overview
The analysis highlights Versions, Design and Production as prominent areas in the source structure around RD-107.
Related topics
50
Source areas
4
Connected nodes
54
Extracted relationships
78
Concept neighborhoods
21
Bridge connections
54
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Versions · 20 topics
Overview · 14 topics
Design · 11 topics
Production · 5 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Application
Booster/first stage
Associated LV
R-7 family
Country of origin
Soviet Union · Russia
Cycle
Gas-generator
Designer
OKB-456
Dry mass
1,190 kg (2,620 lb)
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How RD-107 connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around RD-107 shows recurring relationship patterns in the source. For example, RD-107 → Chemical, GRAU, ICBM, Improved, Increased, Luna, Modifications, Molniya, Molniya-M, Original, R-7, RD-107A, RD-107K, RD-107MM, RD-107А, RD-117, Replaced, Soyuz, Soyuz-2, Soyuz-FG Another extracted example is RD-107 → As, Blok-A, Each, Experimental Design Bureau, F-30-P-G, H2O2, It, OKB-456, RD-108, RG-1, Soyuz-2, The, The RD-107, The RD-108, This, V-2, Valentin Glushko. Use these groups to spot repeated connection types before inspecting the individual relationships.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 78 structured relationships around RD-107. Examples in this analysis include RD-107 → Application → Booster/first stage and RD-107 → Associated LV → R-7 family. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
RD-107
Application
Booster/first stage
1.00
infobox
RD-107
Associated LV
R-7 family
1.00
infobox
RD-107
Country of origin
Soviet Union
1.00
infobox
RD-107
Country of origin
Russia
1.00
infobox
RD-107
Cycle
Gas-generator
1.00
infobox
RD-107
Designer
OKB-456
1.00
infobox
RD-107
Dry mass
1,190 kg (2,620 lb)
1.00
infobox
RD-107
Manufacturer
JSC Kuznetsov
1.00
infobox
RD-107
Notes
Performance figures are for RD-107A
1.00
infobox
RD-107
Predecessor
RD-105
1.00
infobox
RD-107
Propellant
LOX / RG-1
1.00
infobox
RD-107
Specific impulse, sea-level
263.3 s (2.582 km/s)
1.00
infobox
RD-107
Specific impulse, vacuum
320.2 s (3.140 km/s)
1.00
infobox
RD-107
Status
In production
1.00
infobox
RD-107
Thrust, sea-level
839 kN (189,000 lbf)
1.00
infobox
RD-107
Thrust, vacuum
1,020 kN (230,000 lbf)
1.00
infobox
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around RD-107 bring nearby vocabulary together. In this analysis, examples include Rd-108, Production and Engines. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
RD-107
Rd-108
Production
Engines
Design
Okb-456
Vernier
Booster
Stage
Thrust
Chambers
Combustion
Versions
rd-107
Rd-108
Production
Engines
Design
Okb-456
Vernier
Booster
Stage
Thrust
Chambers
Combustion
Versions
rocket engine
Production
Used
Fuel
Versions
Rd-107
Design
Catalytic
H2o2
Rd-108
Booster
Driven
Several
r-7 rocket family
Used
First
Launch
Propellant
Catalytic
H2o2
Rockets
Driven
Stage
Rd-107
Okb-456
Soyuz-2
r-7 semyorka
First
Launch
Used
Propellant
Rockets
Rd-107
Okb-456
Booster
Engines
Km
Production
Rd-107a
design
Production
Version
Impulse
Specific
Rd-107
Versions
Engine
Grau
Index
Improved
Okb-456
Km
production
Versions
Rd-107
Okb-456
Km
Rd-107a
Rg-1
Several
Stage
Impulse
Led
Specific
Thrust
versions
Production
Several
Led
Engine
Design
Version
Rd-108
Rd-107
Rd-107a
Rd-108a
Grau
Index
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For RD-107, one of the stronger structural bridges in this analysis connects RD-107 with Versions. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
RD-107
Nodes55
Edges54
Triples78
Avg. degree1.96
Density0.036364
Components1
Source & methodology
TTTA analyzes the structure around RD-107 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Versions, Design & Production, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
