Enigma Rotor Details - Turnover Positions

Turnover Positions

In this table the turnover point of each rotor is listed. For more details on how the rotors move, please check the Stepping motion section and the remarks on double-stepping in the Enigma article.

Rotor Notch Effect
I Q If rotor steps from Q to R, the next rotor is advanced
II E If rotor steps from E to F, the next rotor is advanced
III V If rotor steps from V to W, the next rotor is advanced
IV J If rotor steps from J to K, the next rotor is advanced
V Z If rotor steps from Z to A, the next rotor is advanced
VI, VII, VIII Z+M if rotor steps from Z to A, or from M to N the next rotor is advanced

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