stroke length

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The Stroke Length of a Piston calculator computes the stroke length (L) /attachments/738d6dcf-11b5-11e4-b7aa-bc764e2038f2/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.

Combustion Engine Calculators

Ratios and Lengths

Cylinder Bore Diameter: Computes the diameter (bore) based on the engine displacement, number of cylinders and the stroke length.
Bore Stroke Ratio: Computes ratio based on the diameter of the bore and the length of the stroke.
Combustion Ratio: Computes 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
Displacement Ratio: Computes ratio based on the volumes at the beginning and end of the stroke.
Rod and Stroke Length Ratio: Computes ratio base on the rod and stroke lengths.
Stroke Length: Computes the required stroke length based on the total engine displacement, number of cylinders and the bore.
Piston Position: Computes the piston position based on the crank angle, crank radius, and rod length.
Piston Deck Height: Computes deck height based on Block Height, Rod Length, Stroke Length, and Pin Height.

Volumes and Displacements

Total Volume (displacement) of a Combustion Engine: Computes volume based on the bore, stroke and number of cylinders.
Volume (displacement) of a Engine Cylinder: Computes volume based on the bore and stroke.
Volume (displacement) of an Engine with an Overbore: Computes volume based on the stroke, bore, overbore and number of cylinders.
Equivalent Volume of a Rotary Engine: Estimates rotary engine volume based on the swept volume and number of pistons.
Carburetor Air Flow: Estimates the volumetric flow of air through a carburetor based on a four-stroke engine's displacement, RPMs, and volumetric efficiency.
Compressed Volume of a Cylinder: Compute volume 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.
Volume of a Gasket: Computes gasket volume (displacement) based on the inner and outer diameters and the gasket's thickness.
Volume of a Cylinder Deck: Computes the deck volume based on the deck height and the bore.
Volume of a Cylinder Crevice: Computes crevice volume based on the piston diameter, cylinder bore and the crevice height.
Volume of a Cylinder Chamfer: Computes chamfer volume based on the cylinder diameter and the chamfer height and width.
Clearance Volume of a Piston: Computes the volume remaining in the combustion chamber when the piston is at its top dead center (TDC) which is the space above the piston crown when it's at its highest point in the cylinder.
Engine Compression Ratio: Computes the ratio of the volume of the combustion chamber with the piston at its bottom dead center (BDC) to the volume with the piston at its top dead center (TDC).

Speeds and RPMs

Piston Speed (mean): Computes the mean (average) piston speed based on stroke length and RPMs.
Max Piston Speed: Computes max speed based on stroke length and RPMs
RPMs: Computes revolutions per minute based on piston speed and stroke length.

Other Automotive Calculators

Camber Angle
Camber Offset
Breakover angle - Ground clearance between axles
Approach angle - Ground clearance in front of or behind vehicle.
Belt Length
Belt Speed.
Pulley RPMs
2nd Pulley RPMs
2nd Pulley Diameter
RPM of 4th pulley on three shafts
2nd Gear RPM