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2.2 Second Drop Tower
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Facility Fact

The drop tower’s 2.2 seconds microgravity test time is created by allowing the experiment package to free fall a distance of 79 feet (24m).


View from the 8th floor as technicians ready the drag shield assembly Multiphase flow experiment hardware integrated into a 2.2 second drop tower frame
Facility Capabilities
Operational Parameters
  • Microgravity Duration: 2.2 seconds
  • Free Fall Distance: 79 feet (24 m)
  • Gravitational Acceleration: <0.001 g
  • Mean Deceleration: 15 g
  • Peak Deceleration: 30 g

Experimental Drop Package

  • Payload Width: 38 in. (96 cm)
  • Payload Height: 33 in. (84 cm)
  • Payload Depth: 16 in. (40 cm)
  • Payload weight: up to 350 lbs (159 kg)
  • Gross vehicle weight: 1075 lbs. (487 kg)

Instrumentation/Data Acquisition

  • Video Cameras, Digital Frame Grabbers, Hi-8, Mini-DV and DVCAM recorders
  • Analog-Digital Data Acquisition, 32 channels
  • 24 VDC Battery Power
  • Programmable Logic Controller
  • Pressure Transducers
  • Flow Meters
  • Thermocouples
  • Radiometers
  • Lasers

Mode of Operation

  • Provides microgravity test environment for a fraction of the cost of conducting an experiment in space, lowest cost of all NASA ground based microgravity facilities
  • Can accommodate NASA, government, and private industry research programs
  • Twelve drops per day
  • Engineering staff to perform or consult on payload design
  • Experimenter can integrate experiment hardware into NASA provided experiment frame or facility technical staff can perform electrical and mechanical integration of payloads
  • Third party safety review of experiments is required

 

Further Information
Layout of the Drop Tower
Diagram of the 2.2 Second Drop Tower
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Zero Gravity Research Facility (Zero-G)
A premier facility for conducting ground-based microgravity research.
+ View the fact sheet (PDF)

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Last Updated: January 29, 2008