Electron

2017
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Hero
First of its kind

The first orbital rocket with electric-pump-fed engines and the first privately developed orbital rocket from the Southern Hemisphere. Electron pioneered high-cadence small satellite launch and 3D-printed engine components.

History

Rocket Lab''s Electron rocket introduced several innovations to the small launch market. Its Rutherford engine uses electric motors to drive its propellant pumps, powered by lithium-polymer batteries, instead of the traditional turbopumps driven by gas generators or preburners. This simplifies the engine design and allows the pumps to be precisely controlled electronically.

Electron''s engine components, including the combustion chamber and injector, are 3D-printed using electron beam melting, reducing manufacturing time and cost. The rocket can deliver approximately 300 kilograms to low Earth orbit, targeting the growing market for dedicated small satellite launches.

Rocket Lab has experimented with booster recovery, using parachutes and mid-air helicopter capture to retrieve first stages. The company''s launch site on New Zealand''s Mahia Peninsula provides access to a wide range of orbital inclinations with minimal air and sea traffic concerns.

Production & Heritage

DesignerPeter Beck
Service Period2017

Technical Specifications

PropulsionLiquid (RP-1) Electric Pump
Height59.1 ft
Length59.1 ft
Diameter/Wingspan3.9 ft
Gross Mass27,668 lbs

Propulsion

Engine ModelRutherford (electric turbopump)
Engine Count10
Engine ManufacturerRocket Lab
Thrust50,300 lbf
Specific Impulse311 s
PropellantRP-1/LOX
Stages2

Performance

Payload to LEO300 kg

Dimensions

Height (m)18 m
Diameter (m)1.2 m
Length (m)18 m

Mass

Gross Mass (kg)12,550 kg

Mission

Missions Flown84
Success Rate80/84
ReusableNo

Power & Systems

Battery TypeLi-polymer (electric turbopumps)
AvionicsCustom flight computer, GPS, IMU
Communication BandS-band telemetry, GPS

Source: Rocket Lab

Tags

Designed by Peter Beck

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