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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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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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A Survey of Hawaii for Balloon Launch Sites
A group under Dr. Luis Alvarez at the Space Sciences Laboratory, University of California, is preparing a balloon-borne particle physics experiment, designed for recovery at...- 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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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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Numerical Prediction of the Performance of High Altitude Balloons
This report presents the equations governing the vertical motion of a balloon and reviews recent advances in heat transfer experimentation and theory pertinent to the processes...- 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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Strength Characteristics of Grace Cryovac YH Polypropylene 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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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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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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Re-Evaluation of Tapes for Reinforcing and Repairing Polyethylene Balloons
This report describes a research and development program conducted for the National Center for Atmospheric Research by the Minnesota Mining and Manufacturing Company, St. Paul,...- publication PDF
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Impact Toughness of Balloon Films
To increase the reliability and extend the capabilities of scientific ballooning, polyethylene balloon films were measured for impact toughness at +23 and -80��C, using...- publication PDF
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Round-Robin Cold Brittleness Tests of Balloon Films
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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Material Strength Properties of Visqueen X-124 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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The Feasibility of Long Duration Ballooning in Antarctica
This report outlines a plan for balloon operations in Antarctica as requested by Mr. Gordon Newkirk of the National Center for Atmospheric Research. It includes discussions of...- 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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A Carrier Balloon for Tropical Soundings
During July 1970 to January 1971, a series of tests was conducted to demonstrate the feasibility of obtaining wind data in the tropical troposphere and lower stratosphere by...- publication PDF
