Estimate casting distance from lure weight, rod length, and wind.

Estimate bait quantity needed based on anglers, hours, and waste.

Estimate backing length based on spool capacity and main line length.

Calculate bolt momentum from speed and weight.

Calculate bolt kinetic energy from speed and weight.

Estimate draw weight from power stroke and peak force assumptions.

Estimate total bolt weight from components.

Estimate bolt speed from draw weight, power stroke, and bolt weight.

Estimate penetration depth based on momentum and target resistance.

Estimate bolt spine index based on draw weight, bolt length, and point weight.