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Spin calculates the angular velocity or delta value (for its polar moment of inertia) of stars, planets and moons according to Newton's laws of motion

Plastic Stress calculates the bending moments required to generate plastic deformation in metal beams

Plates calculates deflections and stresses in loaded circular disks and rings with 44 possible loading and edge support combinations

This database is a collection of the principal physical properties for approximately 100 polymers including; plastics, elastomers and thermo-plastic elastomers.

Pressure Vessels calculates the minimum wall thickness or maximum pressure of stiffened or unstiffened circular vessels (incl. heads) exposed to int. or ext. pressure according to ASME VIII

A ꞌ.pdfꞌ version of a book explaining how proton-electron pairs (nature's building block) work.

Reels calculates the maximum length of cable, cord or pipe your specified reel will accommodate, or how big your reel or bobbin needs to be to accommodate your specified length of cable

Our resolution of forces calculator converts up to 10 individual force vectors into a single equivalent force vector

Our screw thread class calculator is used to define the tolerances and strengths of metric and imperial screw threads according to ASME B1.13M-2005 (ISO 965-1) and ASME B1.1-2003.

Our thread strength calculator contains a database of std metric and imperial screw threads including BA, UN, UNEF, UNF, UNC, UNS, BSW & BSF and calculates strengths and torque rates ...

Area Moments calculates the moment of inertia (second moment of area) and radius of gyration of regular and irregular solid and hollow shapes

Shafts calculates the performance characteristics, including natural frequency, of a rotating shaft with four different bearing support options

SHEETS calculates the behaviour - under load - of a rectangular plate (or sheet) with any edge support configuration.

Shock Loads calculates the conditions resulting from a mass impacting a beam, plate or undefined body at a specified velocity with various end and edge support conditions.

A ꞌ.pdfꞌ version of a book explaining why planets and stars spin on their axes. This is the first and only theory ever created for this phenomenon.

Our helical spring strength calculator determines the performance and dimensions of round, square or rectangular wire springs manufactured from any material.

The spring coefficient calculator provides the spring constants for beams, shafts, plates, springs, plates, etc. with various end support conditions

Our steel beam sizes database contains the structural properties of well over 600 common extrusions/forgings incl. H-Beam, I-Beam, Channel, Angle, Rectangular and Tubular Hollow Sections (RHS ...

Stress Concentration determines the stress intensification factors in the immediate viscinity of a shape discontinuity such as a notch or goove in a flat or round bar or a plate

Floors determines the dimensions for specified materials intended for use in a structural floor of a given size and deflection

Our periodic table of the elements database provides their properties and an active periodic table allowing you to sort all the elements according to any properties you select