
Bell [TXT] has entered a partnership with engine manufacturer Rolls-Royce to develop an "optimized propulsion system" for the V-280 Valor advanced tiltrotor and V-247 unmanned autonomous tiltrotor prototype. The teaming agreement was announced March 21 and will focus on the integration of Rolls-Royce’s proven low-risk and advanced propulsion systems into future Bell aircraft. “The goal of this collaboration is to further enhance the performance and affordability of our aircraft," said Keith Flail, vice president of Advanced Vertical Lift Systems at…