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RD-170: Measurement, Variants & Specifications

The RD-170 (Russian: Ракетный Двигатель-170 (РД-170), romanized: Raketnyy Dvigatel-170, lit. 'Rocket Engine-170') is the world's most powerful and heaviest liquid-fuel rocket engine. It was designed and produced in the Soviet Union by NPO Energomash for use with the Energia launch vehicle. The engine burns RG-1 fuel and LOX oxidizer in four combustion…

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RD-170 topic overview

The analysis highlights Measurement, Variants and Specifications as prominent areas in the source structure around RD-170.

Related topics
27
Source areas
4
Connected nodes
31
Extracted relationships
61
Concept neighborhoods
16
Bridge connections
31

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.

Overview · 12 topics
Variants · 11 topics
Specifications · 3 topics
Shared turbopump · 1 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
Main engine
Associated LV
Energia
Burn time
150 seconds
Chamber
4
Chamber pressure
24.52 MPa (3,556 psi)
Country of origin
Soviet Union

Explore all related topics Closing gaps

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.

Overview

Shared turbopump

Variants

Specifications

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How RD-170 connects Entity context

The extracted context around RD-170 shows recurring relationship patterns in the source. For example, RD-170 → According, Atlas, Energia-K, July, Not, NPO Energomash, On, RD-175, RD-180, RD-180M, RD-180V, Rus-M Another extracted example is RD-170 → Building, Energia's, Models, RD-171, RD-171's, RD-171M, RD-172, RD-173, While, Zenit. Use these groups to spot repeated connection types before inspecting the individual relationships.

RD-170

Top relations

related to Proposed variants · 12
RD-170 → According, Atlas, Energia-K, July, Not, NPO Energomash, On, RD-175, RD-180, RD-180M, RD-180V, Rus-M
related to RD-171 · 10
RD-170 → Building, Energia's, Models, RD-171, RD-171's, RD-171M, RD-172, RD-173, While, Zenit
related to External links · 5
RD-170 → Archived, External, Manufacturer's Page, RD-170/171, Russian
related to Dual-chamber derivative · 4
RD-170 → Atlas, Russian Rus-M, The RD-180, This
related to RD-170 · 4
RD-170 → Each Energia, Energia, The, The RD-170
Application · 1
RD-170 → Main engine
Associated LV · 1
RD-170 → Energia
Burn time · 1
RD-170 → 150 seconds
Chamber · 1
RD-170 → 4
Chamber pressure · 1
RD-170 → 24.52 MPa (3,556 psi)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

rocket engine energia combustion chambers russian thrust rd-180 proposed soviet variants first npo energomash 000 rg-1 lox engines use launch

RD-170 relationships Subject–Predicate–Object triples

TTTA extracted 61 structured relationships around RD-170. Examples in this analysis include RD-170 → Application → Main engine and RD-170 → Associated LV → Energia. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
RD-170ApplicationMain engine1.00infobox
RD-170Associated LVEnergia1.00infobox
RD-170Burn time150 seconds1.00infobox
RD-170Chamber41.00infobox
RD-170Chamber pressure24.52 MPa (3,556 psi)1.00infobox
RD-170Country of originSoviet Union1.00infobox
RD-170CycleOxidizer-rich staged combustion1.00infobox
RD-170DesignerNPO Energomash1.00infobox
RD-170Diameter3.8 m (12 ft)1.00infobox
RD-170Dry mass9,750 kg (21,500 lb)1.00infobox
RD-170First flight13 April 1985 (1985-04-13)1.00infobox
RD-170Gimbal range8°1.00infobox
RD-170Last flight15 November 1988 (1988-11-15)1.00infobox
RD-170Length4 m (13 ft)1.00infobox
RD-170ManufacturerNPO Energomash1.00infobox
RD-170Mixture ratio2.631.00infobox
RD-170Nozzle ratio36.871.00infobox
RD-170PropellantLOX / RG-11.00infobox
RD-170Specific impulse, sea-level309 s (3.03 km/s)1.00infobox
RD-170Specific impulse, vacuum337 s (3.30 km/s)1.00infobox
RD-170StatusRetired1.00infobox
RD-170SuccessorRD-180 · RD-1911.00infobox
RD-170Throttle range40–100%1.00infobox
RD-170Thrust, sea-level7,250 kN (1,630,000 lbf)1.00infobox
RD-170Thrust, vacuum7,900 kN (1,800,000 lbf)1.00infobox
RD-170Thrust-to-weight ratio82:11.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around RD-170 bring nearby vocabulary together. In this analysis, examples include Combustion, Chambers and Engines. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • RD-170
    • Combustion
    • Chambers
    • Engines
    • Energia
    • Engine
    • Rocket
    • Russian
    • Energomash
    • Four
    • Fuel
    • Kn
    • Npo
  • rd-170
    • Combustion
    • Chambers
    • Engines
    • Energia
    • Engine
    • Rocket
    • Russian
    • Energomash
    • Four
    • Fuel
    • Kn
    • Npo
  • rocket engine
    • Russian
    • Rocket
    • Variants
    • Proposed
    • Kn
    • Rd-191
    • Rus-m
    • Engines
    • First
    • Rd-170
    • Combustion
    • Energia
  • soviet union
    • Union
    • Use
    • Energomash
    • Npo
    • References
    • Cycle
    • Lox
    • Oxidizer-rich
    • Rg-1
    • Turbopump
    • Energia
    • Kn
  • npo energomash
    • Energomash
    • Npo
    • Union
    • Soviet
    • Use
    • Engines
    • Variants
    • References
    • Energia
    • Cycle
    • Lox
    • Oxidizer-rich
  • energia
    • Use
    • Vehicle
    • Union
    • Energomash
    • Kn
    • Launch
    • Npo
    • Rd-171
    • Soviet
    • Time
    • Rd-170
    • Proposed
  • combustion chambers
    • Chambers
    • Combustion
    • Four
    • Thrust
    • Time
    • Rd-170
    • Cycle
    • Lox
    • Oxidizer-rich
    • Rg-1
    • Turbopump
    • Fuel
  • oxidizer-rich stage combustion cycle
    • Lox
    • Oxidizer-rich
    • Rg-1
    • Turbopump
    • Chambers
    • Four
    • References
    • Rd-170
    • Cycle
    • Thrust
    • Union
    • Fuel

Connections between topic areas Semantic bridges

For RD-170, one of the stronger structural bridges in this analysis connects RD-170 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
RD-170 — Overview · splits 19 ⟂ 13
RD-170 — Variants · splits 20 ⟂ 12
RD-170 — Specifications · splits 28 ⟂ 4

Map overview Semantic statistics

RD-170

Nodes32
Edges31
Triples61
Avg. degree1.94
Density0.0625
Components1

Source & methodology

TTTA analyzes the structure around RD-170 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement, Variants & Specifications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — RD-170 · EN edition · Analysis: TopicsToTalkAbout

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