How much gas did the superior Otto–Langen engine require for propulsion compared to the earlier Lenoir engine?

Answer

One-third the amount

The efficiency of the Otto–Langen engine was compelling because it required only one-third the amount of gas for propulsion when compared directly to the earlier Lenoir engine.

How much gas did the superior Otto–Langen engine require for propulsion compared to the earlier Lenoir engine?

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Running Model of Very First Otto Langen. 1876 internal combustion ...

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