Section 1: Table of Contents

LIST OF ILLUSTRATIONS ................................................................................ vi

INTRODUCTION ……………………………………………………………………………. 1 

HYDROFOIL CONFIGURATIONS …………………………………………………………. 1 

      Surface Piercing …………………………………………………………………… 1

      Fully-Submerged …………………………………………………………………... 2  

HYDROFOIL PERFORMANCE CHARACTERISTICS ……………………………………… 3 

      Resistance and Powering ………………………………………………………… 3

      Seakeeping …………………………………………………………………………. 6

      Sea State Degradation ……………………………………………………………. 7

      Maneuvering ………………………………………………………………………… 8 

HYDROFOIL FEATURES ……………………………………………………………………. 9 

      Weight Limitations ………………………………………………………………… 9

      Hull Considerations ………………………………………………………………… 9

      Foil Systems ………………………………………………………………………... 11  

      Propulsion Systems ……………………………………………………………….. 14

      Automatic Control System ……………………………………………………… 18

      Hydraulic Systems ………………………………………………….…………….. 20 

HYDROFOIL DESIGN ………………………………………………………………………. 21 

      Basic Theory and Design Tools …………………………………………………. 21

      PHM-1 Class Design Tradeoffs ………………………………………………….. 24 

REFERENCES – SECTION 1 ………………………………………………………………. 28 

APPENDIX A – HYDROFIL SKETCHES AND DATA ……………………………………. 109 

APPENDIX B - GLOSSARY OF HYDROFOIL TERMS …………………………………… 123