The Rolls-Royce Problem
The major part of Rolls-Royce's (RYCEF) (RYCEY) revenue and business comes from the large jet engines in long-distance jet airplanes. Sure, there's a power plant business, marine work, military and so on. But a goodly part of the revenue and a very decent portion of the profits come from that civil aviation business.
Further, something that makes current times rather difficult, it's on a mile travelled basis. Yes, airlines buy the engines, but the real point from RR's point of view is gaining the maintenance contract. Which is run on miles in