Vertical  "four poster" hot-bulb  engines.

  Engine built 2005. Engine No 1-05. Fuel: Kerosene. Bore-stroke 20-34 mm.

My next engine project, a "four poster" hot-bulb engine, using the same well proved hot-bulb

and fly-ball governor controlled injection-pump system, as on my horizontal and inverted

hot-bulb engines.

                   "Four  poster".                                                       Fly-ball  governor  system.

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Engine built 2007. Engine No 1-07 Fuel: Kerosene. Bore-stroke 20-34 mm. 

Engine built 2007. Engine No 2-07 Fuel: Kerosene. Bore-stroke 20-34 mm 

The engine.                                             Cam-shaft  Governor System.

                   Cylinder-oiler.                                                 Cylinder-head  Rocker-arms.