About Us


RCT Logo StickerLocated in Kensington, CT, Rotating Composite Technologies, LLC is a small company founded in 2007 whose roots, including staff, owners, and Intellectual Property, are derived from ACI (AeroComposites, Inc.). The company officers have past experience in United Technologies Corporation's (UTC) local Hamilton Sundstrand and Pratt and Whitney Divisions, which included extensive work in rotating components. ACI has been designing, developing and producing its own patented, high-tech, composite-bladed propulsion systems since shortly after its founding in 1997, but is now limiting itself to producing non-certified propellers for the “Experimental” (owner-built) sector of the General Aviation market. RCT’s central staff consists of six multi-disciplined engineers who are all focused on designing and developing the worlds strongest and lightest, composite-bladed propulsion products.

RCT’s engineering staff has developed key, in-house technology to accelerate composite blade design, analysis and fabrication/development from initial customer requirements to prototyping and on to limited production, if necessary. This software leads to rapid modeling and evaluation of new blade designs using 2D and 3D ANSYS Finite Element Analysis programs. RCT has further upgraded its 3D aerodynamic capabilities by licensing the ANSYS CFX code, allowing the staff to analyze various applications such as ducted fans and aid in the evaluation of propulsor installed effects.


RCT has proposed and worked on a variety of aircraft and UAV propulsion systems, including large propellers for Commuter and Military applications, and new V-P fan system for the “Next-Gen” turbofan engines. Current work includes a number of programs protected by Non-Disclosure Agreements, of propeller designs for major US corporations. ACI has produced and sold over 250 two-bladed and 3-bladed propellers to the GA Experimental Market, including a pusher propeller to Dick Rutan for his new Berkut airplane. Other ACI products include Lift Rotors for the Mule UAV built by Urban Aeronautics, pusher propellers for L3 Communications’ Mobius™ Aircraft, a 7-bladed 300-HP fan for NASA’s PAV (Personal Air Vehicle) Program, three other 7-bladed, variable-pitch fans driven by small turbine engines ranging from 5-HP to 70-HP, etc. ACI’s highest visibility product has been its 6-bladed pusher propeller, developed for Sikorsky’s X2 Technology Demonstrator Helicopter that recently set a new speed record of 250-knots in level flight and 260-knots in a slow dive.