CONTENTS
Section
Title
Page
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