Wind Tunnel Drive Gearbox from Japan
Variable ratio speed changer with handwheel ratio selector for wind tunnel fan test drives. HTS 8483.40.50 covers manual operation for aerodynamic testing. Provides precise airflow speed control.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document maximum airflow rates and dynamic balancing certification
• Include acoustic isolation specifications for low noise operation
• Distinguish from complete wind tunnel blower assemblies (8414)