Operation
The operating cycle is very similar to that of a current production spark ignition two-stroke with crankcase compression, with two modifications:
- The fuel is injected directly into the air as it moves through the transfer port.
- The engine is designed to run without using spark ignition once it is warmed up. This is known as auto-ignition or dieseling, and the air/fuel mixture starts to burn due to the high temperature of the compressed gas, and/or the presence of hot metal in the combustion chamber.
Read more about this topic: Bourke Engine
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