CONTENTS
Section 1. Introduction to Problem...1
Section 2. Method of Attack...1
A. Balloons...1
B. Altitude Controls...6
C. Altitude Determination...10
D. Horizontal Position Determination...13
E. Flight Termination Control...14
Section 3. Theoretical Relationships and Computations...15
A. Altitude-Density Relationships...15
B. Load-Diameter-Maximum Altitude Relationships...16
C. Balloon Diameter-Weight Relationships...18
D. Rate of Rise...18
E. Ballast Requirements...19
F. Internal Pressure...20
Section 4. Flight Techniques...22
A. Inflation...22
B. Release...23
C. Recovery...26
Section 5. Flight Summary...26
Section 6. Current Objectives...32
Section 7. Appendix
1. Flight Summary Data...36
2. Correspondence...37
3. Flight forms and tables...47
Section 8. Reference Notes...61