4stHEAD
4-Valve Head Layout
Software designed by engineers for engineers

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FOUR-VALVE HEAD [Vertical Valves], and FOUR-VALVE HEAD [Pentroof] are two separate parts of the 4stHEAD design software suite.  

These programs analyse the geometrical layout of a 4-valve cylinder head. They permit the basic design of four-valve cylinder heads in that the physical sizes of the valves are determined with respect to their clearances from each other, the dynamic motion of the piston, or the cylinder walls within a cylinder bore of a given size. The cutouts in the piston are also determined.

This information can then be used in the EXHAUST and INTAKE VALVE DESIGN Programs.

Output information graphics from the 4-valve pentroof program
Information graphics from the 4-valve pentroof program

Finite element method used to calculate cylinder head volume and surface area
Information graphics from the 4-valve vertical valves program
Pyramid Head Finite Element graphics screen

Downloading the AVI files below may take several minutes due to their size
Play an AVI animation of pentroof head layout (1529kb)
Play an AVI animation of vertical valve layout (1037kb)
Play an AVI animation of pyramid head layout (4242kb)

 

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