stroke length

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Equation / Last modified by Administrator on 2018/02/12 16:06
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KurtHeckman.stroke length
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738d6dcf-11b5-11e4-b7aa-bc764e2038f2

The Stroke Length of a Piston calculator computes the stroke length (L)strokelength-illustration.png  Multiple Cylinder Engine given you know the total volume (displacement) of a combustion engine, the cylinder bore (diameter) and the number of cylinders.  

INSTRUCTIONS: Choose your preferred units (the default is inches and cubic inches) and enter the following:

  • (v) Total Volume displacement of the engine
  • (b) The cylinder bore for all cylinders in the engine
  • (c) The number of cylinders (choose from the pull-down list).

Stroke Length: The Stroke Length is returned in inches.  However the user can automatically convert this to other length units (e.g. mils or centimeters) via the pull-down menu.  

Related Calculators:

  • RATIOS AND LENGTHS:
    • Bore (diameter): Compute the Bore Diameter based on the engine displacement, number of cylinders and the stroke length.
    • Bore Stroke Ratio: Compute the Bore Stroke Ratio based on the diameter of the bore and the length of the stroke.
    • Compression Ratio: Compute the Combustion Ratio base on the minimum and maximum displacements of the cylinder at the beginning (1-Induction) and compressed (3-Power) portions of the combustion cycle (see animation)deck height.png piston and cylinder components
    • Displacement Ratio: Compute the Displacement Ratio based on the volumes at the beginning and end of the stroke.
    • Rod Length Stroke Ratio: Compute the Rod and Stroke Length Ratio base on the two lengths.
  • VOLUMES:
    • Total Engine Displacement: Compute the Total Volume (displacement) of a Combustion Engine based on the bore, stroke and number of cylinders.
    • Engine Cylinder Volume: Compute the Volume (displacement) of a Engine Cylinder based on the bore and stroke.
    • Engine Cylinder Overbore Volume: Compute the Volume (displacement) of an Engine with an Overbore based on the stroke, bore, overbore and number of cylinders.
    • Rotary Engine Equivalent Displacement: Compute the Equivalent Volume of a Rotary Engine based on the swept volume and number of pistons.
    • Compression Volume (V2): Compute the Compressed Volume of a Cylinder when the piston is at the end of the stroke and the chamber is at its smallest (and most compressed) volume, based on the chamber, deck, crevice, chamfer, gasket, valve relief and dome/dish volumes.  This is the second volume (V2) in the Compression Ratio calculation.
    • Gasket Volume: Compute the Volume of a Gasket based on the inner and outer diameters and the gasket's thickness.
    • Deck Volume: Compute the Volume of a Cylinder Deck based on the deck height and the bore.
    • Crevice Volume: Compute the Volume of a Cylinder Crevice based on the piston diameter, cylinder bore and the crevice height.
    • Chamfer Volume: Compute the Volume of a Cylinder Chamfer based on the cylinder diameter and the chamfer height and width.
  • SPEEDS AND RPMS:
    • Piston Speed: Piston Speed (mean) based on stroke length and RPMs.
    • Max Piston Speed: Max Piston Speed based on stroke length and RPMs
    • RPMs: RPMs based on desired piston speed and stroke length.