structional Manual, 1931. Illustrated, 74 pages.

"The Packard Diesel Engine," Aviation Institute of U.S.A. Pamphlet No.
21-A, 1930. Illustrated, 32 pages.

For sale by the Superintendent of Documents, U.S. Government Printing
Office

Washington, D.C., 20402--Price 60 cents

Contents

_Page_

ACKNOWLEDGMENTS vi

FOREWORD vii

INTRODUCTION 1
History 2

DESCRIPTION 11
Specifications 11
Operating Cycles 13
Weight-Saving Features 15
Diesel Cycle Features 20
Development 23

COMMENTS 27

ANALYSIS 33
Advantages 33
Disadvantages 35

APPENDIX
1. Agreement Between Hermann I. A. Dorner and Packard
Motor Car Company 43
2. Packard to Begin Building Diesel Plane Engines Soon 46
3. Effect of Oxygen Boosting on Power and Weight 47

Acknowledgments

It is difficult to acknowledge fully the assistance given by persons and
museums for the preparation of this book. However, I wish especially to
thank Hugo T. Byttebier, engine historian, Buenos Aires, Argentina;
Dipl. Ing. Hermann I. A. Dorner, diesel designer, Hanover, Germany;
Harold E. Morehouse, and C. H. Wiegman, Lycoming Engines, Williamsport,
Pennsylvania; Barry Tully, Goodyear Aircraft, Akron, Ohio; Richard S.
Allen, aviation author, Round Lake, New York; William H. Cramer, brother
of Parker D. Cramer, Wantagh, New York; Erik Hildes-Heim, Early Bird and
aviation historian, Fairfield, Connecticut.

I am particularly grateful to curators of the following museums who have
been so generous in their assistance: Deutsches Museum, Munich, Germany
(Dipl. Ing. W. Jackle); Henry Ford Museum, Dearborn, Michigan (Leslie,
R. Henry); U.S. Air Force Museum, Wright-Patterson Air Force Base