B20 Thruster

Vendor profile

Overview

The B20 Thruster assembly includes the thruster body, valves, and control electronics. The thruster body is additively manufactured as a single structure using Inconel 718 and includes the injector, combustion chamber, and nozzle. Isolation valves are included upstream of the firing valves for added redundancy. Health monitoring instrumentation includes an integrated and isolated thermocouple and chamber pressure sensor.

With standard data and power interfaces, thrusters are easy to command and operate. The B20 is also operable under ambient conditions to enable fast turnaround ground testing.

Power Consumption:
- Hit: 12 W (for 50 ms)
- Hold: 0.8 W
- Igniter: 9 W (for 50 ms)

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Overview

Name: B20 Thruster
Vendor: Dawn Aerospace
Subsystem: Propulsion Subsystem
Component Type: Bipropellant Thruster
Form Factor: SmallSat
Heritage: Yes
Average Lead Time: 6 months

Vendor Details

Name: Dawn Aerospace
Website: https://www.dawnaerospace.com/green-propulsion
Founded: 2017
Summary: Based in New Zealand, the Netherlands, and the United States, Dawn Aerospace is a space transportation company building non-toxic satellite propulsion systems and same-day reusable launch vehicles. Non-toxic, high-performance, and turn-key propulsion systems for CubeSats, ESPA, and ESPA-Grande satellites. For small satellites, they simplify systems and replace the poisonous and highly-regulated fuel, hydrazine. For CubeSats, they increase capabilities by supplying 1,000x higher performance than electric-based propulsion systems. Same-day Reusable Launch Vehicles that do not require specialized space-launch infrastructure, integrate with everyday aircraft in nearby airspace and launch as often and routinely as commercial aviation. By building these technologies in tandem, Dawn is creating the end-to-end architecture required for delivering, positioning, and returning spacecraft in a highly scalable and environmentally conscious way.