Editing Wankel engine (section)

====Considering one chamber====

[[Kenichi Yamamoto (engineer)|Kenichi Yamamoto]] and [[:de:Walter Froede|Walter G. Froede]] placed <math>y = 1</math> and <math>n_c = 1</math>:<ref name="Yamamoto 1981 p. 37">{{cite book |last1=Yamamoto |first1=Kenichi |title=Rotary Engine |publisher=Sankaido |year=1981 |isbn=978-99973-41-17-4 |page=37 |quote=Table 4.1; Yamamoto uses Vh for Vk. In this article, Vk is used for convenience}}</ref><ref name="Froede 1961">{{cite journal|last1=Froede|first1=Walter G.|title=Kreiskolbenmotoren Bauart NSU-Wankel|journal=MTZ - Motortechnische Zeitschrift|volume=22|issue=1|year=1961|pages=1–10|language=de}}</ref>

:<math>P = p_{me} \cdot 1 \cdot V_k \cdot i \cdot {N \over 1}.</math>

With these values, a single-rotor Wankel engine produces the same average power as a <math>V_h</math> single-cylinder [[two-stroke engine]], with the same average torque, with the shaft running at the same speed, operating the Otto cycles at twice the frequency.