West Cobb Archery

Speed Calculator

Estimated bow speed, kinetic energy, and arrow-performance planning tool.

Interactive Tool

This tool estimates adjusted arrow speed from advertised IBO speed, draw weight, draw length, and finished arrow weight.

IBO Speed Draw Weight Draw Length Arrow Weight

Enter values and calculate.

Crossbow support

Crossbow model and bolt matching guidance.

Dedicated support for Siege-style crossbows and comparable modern models.

Accessory and bolt setup by application.