Pijl FOC Calculator
Calculate arrow FOC percentage
Inhoudsopgave
Hoe te Gebruiken
- Measure arrow length
- Find balance point
- Enter measurements
- Calculate FOC
What is FOC?
FOC measures how far forward the balance point is from center.
FOC Ranges
| Range | Classification | Use |
|---|---|---|
| <0% | Rear | Avoid |
| 0-6% | Neutral | Target |
| 7-10% | Moderate | General |
| 11-15% | High | Hunting |
| 16%+ | Extreme | Big game |
How to Measure
- Assemble arrow completely
- Measure total length
- Find balance point
- Measure to balance point
Adjusting FOC
- Heavier points increase FOC
- Lighter vanes increase FOC
- Heavier nocks decrease FOC
FOC Benefits
- Better flight stability
- Improved accuracy
- Increased penetration
- More forgiving
Veelgestelde vragen
- What FOC for hunting?
- 10-15% FOC ideal for hunting. Provides excellent penetration and accuracy.
- How to measure balance point?
- Balance arrow on ruler edge. Measure from nock groove to balance point.
- Can FOC be too high?
- Very high FOC (16%+) maximizes penetration but may reduce speed. 10-15% best for most hunters.
- Why rear-weighted?
- Rear-weighted indicates missing components or measurement error. Check setup and remeasure.