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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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Aerostatic Lift of Helium and Hydrogen in the Atmosphere
The purpose of this report is to provide a simple and accurate method of making buoyancy calculations of lift gases. A table is included which gives pertinent model atmospheric...- 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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Uncertainty Analysis of a Radome Flush Orifice Air Motion System for the Meas...
This analysis is intended to establish a detailed measurement uncertainty for the present radome air motion systems used at NCAR and to provide a working document that may be...- publication PDF
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Meeting Review: Third NCAR Research Aircraft Fleet Workshop
Meeting review: third NCAR research aircraft fleet workshop.- publication PDF
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Project Clambake Surface Wind Analysis at Palestine, Texas
The Field Observing Facility of NCAR measured surface winds at the NCAR Scientific Balloon Flight Station at Palestine, Texas, during October and November 1965 in order to...- publication PDF
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Material Strength Properties of Startex SL 1883 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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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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Balloon Shapes and Stresses Below the Design Altitude
Design data for natural-shape balloons, published in 1952, have been used to design thousands of balloons. These data, however, describe the balloon only at its float altitude....- 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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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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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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Balloon Stress-Band Analysis
A test program to photograph tropopause-level balloon ascent failures unexpectedly revealed the presence of a circumferential stress band in certain balloons which failed...- publication PDF
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Scientific Justification and Development Plan for a Mid-sized Jet Research Ai...
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 measurement of air velocity and temperature using the NCAR Buffalo Aircra...
This report describes methods used to measure air velocity and temperature from an aircraft and their applications to the measuring system on the NCAR Buffalo aircraft. Main...- 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
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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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The Relative Accuracy of ALPEX Aircraft Data / an Evaluation of the ALPEX Int...
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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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
