Pre-Rotator Systems

PR Drive Units (6)

Click here to learn more!

Rotax 2 Stroke

Simonini Victor 2

B/C/E Gearboxes

Rotax 9XX
Upper Bendix Units (3)
- Gyro Technic Design
- Rigid, Flex, Hydraulic Inputs
- Wunderlich Style Direct Drive
- Wunderlich Style Reversing
Gearboxes (1)

Gearboxes for rigid shaft type prerotation drives
Ring Gears - Bendix (3)
- 108-Tooth ring gears
- Bendix Units
- Custom bolt-hole / pilot-hole dimensions
- Fits most all legacy rotor heads
Flexible Drive Shafts (2)
- Standard 1-1/8" end fittings
- Made-to-order custom lengths
- Full assembly, or core only
- Right-hand or Left-hand direction
Rubber Drive Wheel (3)
- Wunderlich-style replacement
- Rotax B or C/E box configuration
- 4" or 5"
- Adaptor bushings

In October 2022, I visited Denis at Gyro Technic to pick up my order. I observed the most meticulous creation to the finest detail. His workmanship demonstrates his demand for excellence and a consummate to perfection. Respectfully, Gary J Mullen, Sr.