Use this hunting arrow trajectory calculator to model drop, flight time, downrange performance, and five-yard range errors in either direction.
Hunting Arrow Trajectory Calculator: Rise, Drop, and Best Zero Read More »
Arrow spine can get confusing fast. The number printed on the shaft tells you its measured static spine, but it does not tell you whether that shaft is the right
Dynamic Spine Calculator for Hunting Arrows Read More »
Picking the right hunting arrow weight shouldn’t feel like rocket science, but it often does. If you’ve ever felt overwhelmed by charts, forums, or endless math, you’re not alone. Over
Everyday Arrow Weight Formula: Find Your Ideal Hunting Arrow Weight Read More »
When I plan a hunting arrow, I do not start by gluing parts together and hoping the finished weight lands where I want it. I total the shaft and every
Arrow Weight Calculator: Plan and Compare Arrow Builds Read More »
FOC, or front of center, is one of those arrow-building numbers that is easy to check too late. I have done it myself: choose the shaft, install the front components,
Arrow FOC Calculator: Measure or Estimate Before You Build Read More »
I built this Arrow Performance Calculator to make it easier to see how arrow speed, kinetic energy, and momentum work together with your bow. It shows how changes to your
Arrow Performance Calculator: Speed, KE & Momentum Read More »
When I set up a compound bow, draw length is one of the first things I want to get right. A setting that is too long or too short can
Draw Length Calculator for Compound Bows: Find Your Fit Read More »
