Quick Answer Summary: The Bristol Siddeley Olympus 593 is an afterburning turbojet producing 38,050 lbf with reheat, the only engine ever to power a commercial aircraft in sustained supersonic cruise—the Concorde. No commercial engine before or since has been required to hold Mach 2.04 for hours on end. The Olympus 593 was derived from the … Read more
Quick Answer Summary: The GE GEnx-2B67B is a high-bypass turbofan producing 66,500 lbf takeoff thrust, featuring composite fan blades and powering the Boeing 747-8 and 747-8 Freighter . The GEnx-2B is the 747-8-specific variant of the GEnx family, distinguished from the 787’s GEnx-1B by its smaller fan diameter (104.7 inches versus 111.1 inches) and different … Read more
Quick Answer Summary: The Pratt & Whitney R-2800 Double Wasp is an 18-cylinder two-row air-cooled radial engine family with over 125,000 units produced, powering aircraft from the P-47 Thunderbolt to the DC-6 . This is not a single dash number but a family overview: the R-2800 in all its variants represents one of the largest … Read more
Quick Answer Summary: The Rolls-Royce Trent 768-60 is a three-shaft high-bypass turbofan producing 67,500 lbf takeoff thrust, the lowest-rated variant in the Trent 700 family for the Airbus A330 . Not every A330 operator needs maximum thrust. The Trent 768-60 was tailored for lower-weight A330 configurations where 67,500 lbf is sufficient, offering the same three-spool … Read more
Quick Answer Summary: The Pratt & Whitney JT8D-219 is a low-bypass turbofan producing 21,700 lbf thrust, powering the McDonnell Douglas MD-80 series and representing the final development of the JT8D family . The JT8D is one of the most produced turbofan engines in history, and the -219 variant represents its ultimate evolution. By the time … Read more
Quick Answer Summary: The Wright R-3350-23 Duplex-Cyclone is an 18-cylinder two-row air-cooled radial engine displacing 3,350 cubic inches, with power ratings ranging from 2,200 to over 3,500 horsepower depending on the specific model . The R-3350 is inseparable from the Boeing B-29 Superfortress, the aircraft that ended World War II. But the engine’s development was … Read more