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Rolls Royce Developed A 4 Rotor Diesel Wankel Engine How Rotary Engines Work - Subscribe for new videos every Wednesday! - Jalopnik Article: It's as crazy as it sounds. Rolls Royce developed a diesel rotary engine for military applications. Because diesel engines require high compression ratios for compression ignition to occur, they used a second rotor to effectively multiply the compression ratio. From the original Autocar article: “The first Rolls—Royce development engine was the R1 which was conceived purely as a research tool. With a compressor stage of 1,126 c.c., and a combustion stage of 500 c.c., it produced over 50 bhp and achieved specific fuel consumptions of better than Among other things, it was used to develop the best inter—porting arrangement between the two stages. The R2 engine was the alternative three-stage layout, built but not investigated in detail. R3 refers to a combustion stage only, which is being used as a basic unit to build up a range of engines; it has a displacement of 1,216 c.c., and has produced 180 bhp at 4,500 rpm under test conditions. The remaining engine of which details may be given is the 2—R6. This is a military engine formed of two banks of a two—stage engine. Each high pressure (combustion) stage has a displacement of 1,265 c.c., and is fed by a low-pressure stage of 3,250 c.c. The design power is 350 bhp at 4,500 rpm, for a weight of 939lb-a spectacular power-to-weight ratio for a diesel.“ Don't forget to check out my other pages below! Facebook: Official Website: Twitter: Instagram: Car Throttle: EE Extra: NEW VIDEO EVERY WEDNESDAY!
