Utilization of Carbon Fiber Torque Tubes in Ultra-Light, High Powered Propulsion Systems

Abstract

There has long been a need for increasing the limits of propeller shafting. Carbon fiber torque tubes satisfy many of these needs by allowing for greater spans, higher speeds, lower weights, and better balance as compared to steel or aluminum torque tubes. These torque tubes are usually connected to a device on either end with the purpose of compensating for misalignment. This misalignment can be created by several conditions such as machining tolerances, installation, thermal growth, and/or hull flexure. These devices are typically rigidly or flexibly connected to the torque tube. Now, with the added advantages of carbon fiber materials and the latest fastening advances, a shafting system with more benefits than steel or aluminum can be used.