Viking (rocket engine)

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Overview

Bipropellant Hypergolic Dinitrogen tetroxide UH 25 UDMH

9 related topics

Key facts & relationships

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Chamber: Film-cooled, ablative throat insert
Chamber pressure: 5.5 MPa (800 psi)
Country of origin: France
Cycle: Gas-generator cycle
Designer: Société Européenne de Propulsion (SEP)
Diameter: 0.95–1.7 m (3.1–5.6 ft)

Topics to explore

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Overview

Bipropellant Bipropellant rocket
Hypergolic
Dinitrogen tetroxide
UH 25
UDMH Unsymmetrical dimethylhydrazine
Hydrazine
Ariane 1
Ariane 4
UDMH

Advanced semantic analysis

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Map overview Semantic statistics

Nodes11

Edges10

Triples23

Avg. degree1.82

Density0.181818

Components1

How this topic connects Entity context

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Viking (rocket engine)

Top relations

Chamber · 1

Viking (rocket engine) → Film-cooled, ablative throat insert

Chamber pressure · 1

Viking (rocket engine) → 5.5 MPa (800 psi)

Country of origin · 1

Viking (rocket engine) → France

Cycle · 1

Viking (rocket engine) → Gas-generator cycle

Designer · 1

Viking (rocket engine) → Société Européenne de Propulsion (SEP)

Diameter · 1

Viking (rocket engine) → 0.95–1.7 m (3.1–5.6 ft)

First flight · 1

Viking (rocket engine) → 1979

Gimbal range · 1

Viking (rocket engine) → Fixed, swiveled, and gimbaled versions were made

Last flight · 1

Viking (rocket engine) → 2003

Length · 1

Viking (rocket engine) → 2.87–3.51 m (9.4–11.5 ft)

Important terminology Word statistics

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Important terminology

ariane viking engines used thrust engine first kn second failure water udmh rocket uh 25 launch improved resulting stage reliability

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Viking (rocket engine)	Chamber	Film-cooled, ablative throat insert	1.00	infobox
Viking (rocket engine)	Chamber pressure	5.5 MPa (800 psi)	1.00	infobox
Viking (rocket engine)	Country of origin	France	1.00	infobox
Viking (rocket engine)	Cycle	Gas-generator cycle	1.00	infobox
Viking (rocket engine)	Designer	Société Européenne de Propulsion (SEP)	1.00	infobox
Viking (rocket engine)	Diameter	0.95–1.7 m (3.1–5.6 ft)	1.00	infobox
Viking (rocket engine)	First flight	1979	1.00	infobox
Viking (rocket engine)	Gimbal range	Fixed, swiveled, and gimbaled versions were made	1.00	infobox
Viking (rocket engine)	Last flight	2003	1.00	infobox
Viking (rocket engine)	Length	2.87–3.51 m (9.4–11.5 ft)	1.00	infobox
Viking (rocket engine)	Mixture ratio	1.7–1.86	1.00	infobox
Viking (rocket engine)	Nozzle ratio	10 (Viking 5C) 30.8 (Viking 4B)	1.00	infobox
Viking (rocket engine)	Predecessor	None	1.00	infobox
Viking (rocket engine)	Propellant	Dinitrogen tetroxide / UDMH or UH 25	1.00	infobox
Viking (rocket engine)	Pumps	3 coaxial pumps	1.00	infobox
Viking (rocket engine)	Restarts	Unlimited	1.00	infobox
Viking (rocket engine)	Specific impulse, sea-level	2.43–2.79 km/s (248–284 s)	1.00	infobox
Viking (rocket engine)	Specific impulse, vacuum	2.76–2.95 km/s (281–301 s)	1.00	infobox
Viking (rocket engine)	Status	Retired	1.00	infobox
Viking (rocket engine)	Successor	Vikas Vulcain	1.00	infobox
Viking (rocket engine)	Thrust, sea-level	611–678 kN (137,000–152,000 lbf)	1.00	infobox
Viking (rocket engine)	Thrust, vacuum	690–805 kN (155,000–181,000 lbf)	1.00	infobox
Viking (rocket engine)	Thrust-to-weight ratio	80–99	1.00	infobox

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