Table of Contents

Introduction      1

1. Why a Rotary?      5
2. Early Experiments      15
3. Wankel at NSU      25
4. Curtiss-Wright      42
5. Toyo Kogyo      60
6. Work Continues at NSU      72
7. Fichtel and Sachs Air-Cooled Wankel      80
8. Citroën      84
9. The Wankel at Daimler-Benz      90
10. Rolls-Royce and the Diesel Wankel      100
11. Emissions Regulations and the Wankel      104
12. American Manufacturers and the Wankel      112
13. Mazda Comes to America      121
14. Who Owned the Wankel?      127
15. The Rotary Turnaround      133
16. Rotary Motorcycles      137
17. The RX-7      141
18. Rotaries in Racing      152
19. Current and Future Production      158

Notes      165
Index      169