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Advanced Composite Thrust Chambers for the Altair Lunar Lander

Award Information

National Aeronautics and Space Administration
Award ID:
Program Year/Program:
2010 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Plasma Processes, LLC
4914 Moores Mill Road Huntsville, AL 35811-1558
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2010
Title: Advanced Composite Thrust Chambers for the Altair Lunar Lander
Agency: NASA
Contract: NNX10CB51C
Award Amount: $600,000.00


Radiation-cooled, bipropellant thrusters are being considered for the Ascent Module main engine of the Altair Lunar Lander. Currently, iridium-lined rhenium combustion chambers are the state-of-the-art for radiatively cooled thrusters. To increase the performance of radiation-cooled engines, improved chamber materials are needed that will allow higher operating temperatures, better resistance to oxidation, and reduce mass. During this effort, an innovative composite thrust chamber is being developed that will incorporate advanced ceramic oxide and iridium liner techniques as well as replacing the expensive, high density rhenium with a low mass carbon-carbon composite. The Phase I results have demonstrated the potential of combining innovative fabrication techniques to produce an advanced ceramic-Ir lined C-C thrust chamber. Hot gas testing has shown the ability of the ceramic oxide coating to reduce the exterior temperature of the C-C jacket, which will enable the use of higher temperature propellants for improved performance. No damage was observed in the ceramic-Ir liner as a result of hot gas testing. During Phase II, the techniques will be optimized to allow fabrication of a 3000 lbf chamber that will be delivered to NASA-MSFC for hot-fire testing.

Principal Investigator:

Angela Hattaway
Principal Investigator

Business Contact:

Timothy N. McKechnie
Small Business Information at Submission:

Plasma Processes, LLC.
4914 Moores Mill Road Huntsville, AL 35811

EIN/Tax ID: 631100320
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No