Why Aerospace Innovators Choose Formsprag Clutch for their Advanced Air Mobility Projects

Formsprag Clutch is not just another supplier—we’re your strategic partner for aerospace innovation. With a legacy dating back to 1943, we have over 80 years of proven engineering expertise delivering mission-critical, precision-manufactured overrunning sprag clutches, as well as electromagnetic clutches and brakes compliant with the highest standards of regulation and certification. Proudly designed and produced in AS9100 and ISO9001 certified facilities, Formsprag products continue to power the future of flight.
Working with Formsprag also gives you access to a vast network of complementary products and engineering design expertise from the full Regal Rexnord Aerospace Solutions portfolio. This allows us to offer a single source solution and a global delivery network to address the full scope of your aerospace project needs, creating a faster time to market.
Unmatched Aerospace Expertise
Formsprag’s products are custom engineered and manufactured to meet the ever-evolving demands of VTOL and eVTOL aircraft, offering compatibility with all major propulsion systems and supporting a variety of rotor configurations. Their versatile designs optimize performance in piloted and autonomous aircraft for passenger, cargo, and hybrid transport. Formsprag products can be engineered for fixed, tilt or foldable wing aircraft, and single, hybrid, or multi-drive configurations. Formsprag delivers trusted, innovative solutions for advanced air mobility aircraft.
What Sets Formsprag Apart
Part of a comprehensive portfolio of brands within Regal Rexnord Aerospace Solutions offering one of the industry’s broadest electrical and mechanical motion control range of offerings, Formsprag’s products are designed and manufactured in AS9100 and ISO9001 certified facilities that offer rapid prototyping, in-house heat treating and metallurgical testing giving you mission-critical safety, reliability, and performance. Our responsive engineering team can deliver custom solutions quickly, helping you accelerate your speed-to-market.
Proven Product Innovation
Trusted by major OEMs for innovative clutch and brake solutions, Formsprag Clutch offers unparalleled industry expertise when it comes to performance, precision, safety, and quality.

Electromagnetic Clutches and Brakes
Energy-efficient designs that reduce power consumption and enhance system control in a compact design which allows for a wide range of variations and customization.

Overrunning Sprag Clutches
Featuring Formchrome® technology, these proven designs allow drive during normal operation and autorotation during emergencies—critical for VTOL safety.
Versatility That Powers the Future of VTOL Flight
Formsprag clutches and brakes are engineered for unmatched adaptability across a wide range of VTOL aircraft configurations and propulsion systems. Whether you're designing for manned or unmanned platforms, our solutions deliver precision, reliability, and performance where it matters most.
Why Aerospace Innovators Choose Formsprag
Power System Compatibility
Seamlessly integrates with gas turbine, electric battery, hydrogen and hybrid drive architectures.
Flexible Across VTOL Designs
Supports multirotor, tilt-rotor, and decoupled-propulsive drive systems with ease.
Scalable Rotor Configurations
Adapable for aircraft with 3, 4, 6, 8, 10, or more vertical thrust tilt rotors or fans.
Enhanced Propulsion Efficiency
Suitable for pusher and lateral rotors/fans for reliable performance.
Piloted or Remote-Controlled Ready
Designed for both crewed and autonomous aircraft platforms.
Wing Configuration Adaptability
Compatible with tilt-wing and foldable-wing designs for advanced mobility.
Mission-Ready for Any Purpose
Ideal for passenger transport, cargo delivery, and unmanned aerial operations.
