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Engineering Report on a Dropsonde for Measuring Vertical Wind Velocity in...
This report describes a special dropsonde for measuring and mapping the vertical wind inside thunderstorms. One the possible ways of measuring vertical wind is to drop...- publication PDF
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Forces in a Cable-Restrained Balloon System
This report presents a complete analysis of the forces acting on a cable-restrained balloon launch system and describes computer programs that may be used to determine optimum...- publication PDF
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A Kalman Filter to Improve Measurements of Wind from NSF/NCAR Research Aircraft
To improve the measurements of wind made from NSF/NCAR aircraft, a Kalman filter is developed and applied to archived data files from research projects. The filter is an error-...- publication PDF
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Quality Analysis of Visqueen Balloon Film
A study was conducted to investigate the production history of Visqueen A balloon film and to develop information useful for future procurement, quality control, and design of...- publication PDF
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Scientific Justification and Development Plan for a Mid-sized Jet Research Aircraft
This document serves to substantiate the strong recommendations received from the scientific community that the acquisition of a mid-sized jet should be NCAR's highest priority...- publication PDF
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The Relative Accuracy of ALPEX Aircraft Data / an Evaluation of the ALPEX...
During the ALPEX progran, three participating large research aircraft - the NCAR Electra, the NOAA P5, and the DFVLR Falcon - joined for an interccmparison flight. Using the...- publication PDF
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Design of the Stonehenge Launch System
This report provides the engineering data required for the construction and use of the Stonehenge Launch System. Because scientific ballooning payloads have become heavier, more...- publication PDF
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Strength Characteristics of DuPont "Surlyn A" Film
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Boundary Layer Profile Measurement System Engineering Report
The NCAR Field Observing Facility developed a new tethered-balloon wing system, known as the Meteorological Atmospheric Testing (MAT) Wing, which takes meteorological...- publication PDF
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Balloon Film Performance After Prior Stress
This report describes a series of tests conducted on balloon film material to determine if uneven loading of the balloon film material might cause failure at a stress level...- publication PDF
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International Workshop on the Airborne Measurement of Wind, Turbulence, and...
This report summarizes the sessions of the International Workshop on the Airboune Measurement of Wind, Turbulence and Position. It includes oral presentations as well as working...- publication PDF
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Effects of Thermal Cycling on Biaxially Stressed Balloon Films
This report presents the results of an examination of the biaxial strength properties of two commercial balloon films. 0.75 mil VisQueen X-124 and 0.7 mil Winzen StratoFilm were...- publication PDF
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Material Strength Properties of Winzen StratoFilm
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Scientific Research With High-altitude Balloons: A Brief Review of Recent...
The following report summarizes recent results of balloon-borne observations separately for the various disciplines: infrared astronomy, ultraviolet astronomy, X-ray astronomy,...- publication PDF
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Carrier Balloon Test Flights From Oakey, Australia, January 1973
This report summarizes the results of the Carrier Balloon Tests from Oakey, Australia, in January, 1973. The main objectives of these tests were to check out the launch hardware...- publication PDF
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The NCAR Dropsonde Program
This document outlines the objectives and program design of the National Center for Atmospheric Research (NCAR) dropsonde program. As part of the program, several sondes will be...- publication PDF
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Non-Standard Tests for Balloon Materials
This report is part of a series prepared for the Materials Research Project of the NCAR Scientific Balloon Facility in order to extend the reliability and capabilities of...- publication PDF
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Wind Tunnel and Field Investigations of Shapes for Balloon Shelters
This report discusses the results of a series of wind tunnel and field tests performed in support of a program to develop a balloon inflation and launch shelter. The study...- publication PDF
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Low Modulus Strain Gages for Stress Analysis of Balloon Structures
An exploratory study has shown that instrumentation can be developed to permit experimental stress analysis of scientific balloons. Special strain gages have been made and...- publication PDF
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Scientific Ballooning Handbook
This handbook summarizes the current technology of ballooning as completely as possible. Evolution and theory of ballooning, as well as contributions from experts in the...- publication PDF
