These stats will almost certainly change as I learn from the MK-2
Combustion chamber diameter: 30mm
Combustion chamber length: 40mm
Nozzle fitted: Yes
The MK-3 engine will probably be the final engine, for now. It will be a collection of knowledge from the MK-1 and MK-2.
So far it features:
Pre chamber fuel/oxidizer mixer
Nozzle. The nozzle is held in by a cap that screws on, this will allow me to change the nozzle to try diffrent designs.
As I said, this engine is a concept will will be changed as I develop the MK-2.