Why is a standard spark-ignition engine less suited to handle pure oxygen combustion compared to a liquid-fueled rocket engine?

Answer

A spark-ignition engine is designed for a specific pressure wave profile

Conventional engines are engineered for a specific pressure wave profile characteristic of atmospheric burning, making them less capable of managing the intense, rapid pressure spikes produced by pure oxygen combustion.

Why is a standard spark-ignition engine less suited to handle pure oxygen combustion compared to a liquid-fueled rocket engine?

#Videos

We run an engine on pure oxygen - what will happen? - YouTube

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