extinguished when the hot-bulb is warm and the engine is running. On my earlier built
engines, the hot-bulb lost heat to the water-cooled injector and to the cylinder head,
thereby stopping the engine.

Engine built 2002. Engine No 1-02. Fuel: Kerosene. Bore-stroke 20-30 mm.

Engine built 2003. Engine No 1-o3. Fuel: Kerosene. Bore-stroke 20-32 mm.

Engine built 2003. Engine No 2-03. Fuel: Kerosene. Bore-stroke 20-32 mm.
Engine built 2003. Engine No 3-03. Fuel: Kerosene.Bore-stroke 20-32 mm.
