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Image
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Description
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Argon-ion Pumped Coherent
Dye Laser
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Laser diagnostics at PEPL
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1 kW Hydrogen Arcjet on Thrust Stand
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Quasi-steady MPD Thruster
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The Linear Gridless Ion Thruster (LGIT) installed
in the LVTF.
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First firing of the LGIT.
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A cluster of low-power Hall thrusters to study
plume interactions.
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Ion thruster discharge plasma characterization:
Photograph taken through the acceleration and screen grid illustrating
the double probe positioned in front of the discharge cathode
orifice
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Ion thruster discharge plasma characterization:
Top view looking through window in the anode wall of the double
probe positioned at it's closes axial location to the discharge
cathode assembly.
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NASA-173M V.1 when it was first operated at
500 V, 10 A.
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Alec inspects the Hall thruster
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B-dot probe positioned in the P5 Hall thruster
for use with the HARP (high-speed table)
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Area mapped of the P5 Hall thruster with the
B-dot probe in the discharge chamber.
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Busek cathode for use in the discharge chamber
of the NASA-173GT Hybrid Hall/Ion Thruster.
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Probing a hollow cathode with a Langmuir probe
(Thermographic image).
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High-Speed Axial Reciprocating Probe Positioning
System (HARP)
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High-Speed Axial Reciprocating Probe Positioning
System (HARP)
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Installing the cryopumps on the LVTF.
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Installing the cryopumps on the LVTF.
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Solid model of the P5 Hall thruster used for
magnetostatic numerical analyses.
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NASA-173M V.1 before the outer front pole was
plasma coated and with LaB6 intermediate electrode for two-stage
operation.
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P5 and the NASA-173M mounted simultaneously
in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Faraday probe experiment in the LVTF.
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Precision alignment method for Faraday probe
(yes, we're joking).
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Front-view of the P5 Hall thruster
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Faraday probe experiment with the NASA-173M
V.1 testing GRC and JPL nude probes. A mechanical jig
is used for alignment.
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Faraday probe experiment with the NASA-173M
V.1 testing GRC and JPL nude probes. A mechanical jig
is used for alignment.
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HARP installed for probing the P5 Hall thruster.
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P5 Hall thruster in June 2000 after several
hundred hours of operation.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand. A NASA hollow cathode
was used.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand. A NASA hollow cathode
was used.
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First installation of the P5 Hall thruster
in the LVTF on the thrust stand. |
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2 clustered P5 Hall thrusters running at 500
V and 10 A each
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The FMT2 and LM4 side by side
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