- Dec 29, 2016
- Reaction score
- Viet Nam
Yes I know kerosene is easier to "atomize", But still make sure the compressed air inside the cylinder has to reach the temperature limit where the injected fuel has to self-ignite.Kerosene is easy to atomize than diesel oil due difference of the viscosity in kerosene and diesel oil. The gasoline engine can run on kerosene but not so easy to use diesel oil in gasoline engine.
I increased the compression ratio to 20-1, as you can see my engine loses heat very easily - especially at the cylinder head , which makes tuning and testing very difficult.What compression ratio did you end up using for this engine? I think original gardener diesels were something like 15:1 which is probably too low for a model scale with greater heat losses relative to the mass of air in the cylinder.
For the fuel - kerosene - to self-ignite, the temperature of the compressed air in the cylinder must reach a limit of about 200 degrees Celsius. That makes me feel strange and confused...with the system and the fuel he uses !!!?? Because the temperature of 200 degrees Celsius of air is compressed in the cylinder it is not a small number and is not easily achieved.Find Hansen used compression ratio 20:1 and kerosene with 2% oil to lubricate the injection pump.