BALLISTIC YAW SENSOR
ASTM F3561-Aligned Yaw Measurement for Ballistic Glass Testing
The Biokinetics® Ballistic Yaw Sensor (BYS), offered by Sydor Technologies, is a precision imaging system engineered to support ASTM F3561 ballistic glass testing by providing accurate, repeatable, and traceable projectile yaw measurements.
Designed as a modern replacement for legacy yaw card methods, BYS delivers up to 40% faster test execution while enabling laboratories to confidently demonstrate compliance with yaw-related requirements outlined in ASTM F3561.
ASTM F3561 and the Importance of Yaw Control
ASTM F3561 establishes performance and test requirements for bullet-resistant transparent materials, where projectile yaw at impact is a critical variable affecting penetration behavior, fracture mechanisms, and test validity.
Projectiles frequently exit the firearm with a non-zero angle of attack, resulting in yaw that can invalidate a test if not properly measured and controlled.
The Ballistic Yaw Sensor enables objective, near-target yaw measurement, providing laboratories with defensible data to confirm that projectile yaw remains within acceptable limits prior to impact—supporting repeatable and standards-aligned test outcomes.
High-Accuracy Yaw Measurement
Delivers yaw angle measurement accuracy of ±0.5° for bullets and fragment simulating projectiles, supporting tight yaw tolerances required for transparent armor testing.
Near-Target, Image-Based Measurement
High-speed CMOS imaging and precision LED illumination capture projectile orientation as close as 10 cm from the glass, minimizing extrapolation error and improving confidence in impact-condition verification.
High-Performance Imaging and Software Architecture
The Ballistic Yaw Sensor incorporates:- 5-megapixel monochrome CMOS camera
- High-intensity COB LED light source
- Sub-500 ns exposure times to freeze projectile motion
- Purpose-built software with selectable velocity inputs
- Clear, repeatable yaw output suitable for test reporting
Optional Accessories for ASTM F3561 Test Setups
Available accessories support ease of use, repeatability, and operator safety:
- Adjustable floor stand with 4-axis positioning for precise alignment
- Integrated gauge with in-bore laser to simplify initial setup
- Spall protection plate and mounting bracket system
- Extended cabling and accessory kits
TECHNICAL SPECIFICATIONS
- Speed Range: 300-1800 m/s
- Angular Accuracy: ± 0.5 °
- Exposure Time: >500 ns
- Software: Ballistic Yaw Sensor Software
- Sensor: Machine vision CMOS camera, monochrome, 5 Megapixel
- Projectile Speed Selection: Selectable in steps of 1 m/s
- Compatible Projectiles: Fragments: FSP, RCC 17-64 grain, Bullets: < 50 caliber
- Light Source: COB LED
- Computer & Interface: Computer (Windows OS) with GigaE adapter