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EPRB chambers range in size from bench top bell jars to 3-meters in diameter and are equipped with various pumping systems (cryopumps, diffusion pumps, oil-free pumping trains, and high-throughput roots-blowers).

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Bell jar setup in VF-59 of EPRB Monitoring the bell jar in VF-62 at EPRB
Bell Jars at Lewis Field
The bell jar facilities listed below are located in the Electric Propulsion Laboratory (EPL) and the Electric Propulsion Research Building (EPRB). These facilities conduct fundamental research in space power and electric propulsion.

Facility Description Research Focus Dimensions
VF-52
High Vacuum Bell Jar Electric Propulsion
Ion Micro-propulsion HCMT
0.61m-dia x 0.91m high
VF-54 High Vacuum Bell Jar Electric Propulsion Pulsed Plasma Thrusters 0.45m-dia x 0.9m high
VF-55 Oil Free High Vacuum Glass Bell Jar Electric Propulsion EMI Testing of PPT 0.45m-dia x 0.9m high
VF-56 High Vacuum Bell Jar
Electric Propulsion PPT 0.45m-dia x 0.9m high
VF-57 Moderate Vacuum Bell Jar Electric Propulsion Arcjets 0.45m-dia x 0.9m high
VF-58 Moderate Vacuum Bell Jar Electric Propulsion Arcjets 0.45m-dia x 0.9m high
VF-59 Ultra-clean, Very High Vacuum Bell Jar Electric Propulsion Propellant-less Propulsion Cathode Testing 0.3m-dia x 0.8m long
VF-62 Ultra-clean High Vacuum Bell Jar Electric Propulsion Space Flight Hardare ignition tests for cathodes 0.3m-dia x 0.8m long
VF-65 Ultra-clean High Vacuum Bell Jar Electric Propulsion Ion Propulsion erosion studies 0.45m-dia x 0.9m long
VF-66 Ultra-clean High Vacuum Bell Jar Electric Propulsion -----
 
 
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Last Updated: December 12, 2011