Thanks for the explanation.

However, model diesel engines will not run on regular diesel fuel. They burn a mixture of paraffin (usually kerosene) and oil with nearly one third of the mixture being ether. Without the ether, most model diesels will not run at all. The ether is needed to start the fire at the much lower compression ratios utilized by model diesel engines. How are you getting around this in your experiments, if you do not mind my asking?

Ed Cregger