The Mazda R26B is a four-rotor Wankel racing engine built by Mazda for its sports prototype cars. It displaced 2.6 litres, which gives the series name its 26, and it is best known as the power unit of the Mazda 787B that won the 24 Hours of Le Mans outright in 1991, the first win there for a Japanese car and for any car without a reciprocating piston engine. It replaced the earlier 13J in Mazda's Group C and GTP cars and also powered the RX-792P. The design uses peripheral intake ports, continually variable geometry intakes and an additional third spark plug for each rotor. Mazda's own commemorative page credits the engine with 700 horsepower and notes a distinctive high-pitched exhaust note.
Facts
SignificancePowered the Mazda 787B to the 1991 24 Hours of Le Mans overall win, the first win by a Japanese car and by a car without a reciprocating piston engine. 1 Displacement or Thrust Classification
Configuration Connections
Of Make
Source Mazda Wankel engine (Wikipedia)
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Source Mazda Wankel engine (Wikipedia)R26B section, Mazda engineQuote, R26B section, Mazda engine
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
Sources
1. Mazda Wankel engine (Wikipedia)
R26B section, 4-rotor
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
R26B section, power
developed 700 hp (522 kW) at 9000 rpm
R26B section, displacement
The R26B engine displaced 2.6 L (2,616 cc) per set of four chambers
R26B section, Le Mans
In 1991 the R26B-powered Mazda 787B became the first Japanese car and the first car with anything other than a reciprocating piston engine to win the 24 Hours of Le Mans race outright.
R26B section, Mazda engine
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
In Group: Racing and Formula One Engines, R26B section, racing use
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
Part Of: Mazda 787B, R26B section, 787B
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
Part Of: Mazda RX-792P, R26B section, RX-792P
The most prominent 4-rotor engine from Mazda, the R26B, was used only in various Mazda-built sports prototype cars including the 787B and the RX-792P
View the Source2. Mazda Motor Corporation: R26B 4 Rotor Rotary Engine (Mazda Le Mans victory commemorative site)
Mazda Motor CorporationR26B 4 rotor rotary engineQuote, R26B 4 rotor rotary engine
The use of peripheral port intake and exhaust, electronically controlled injection, a linear variable air intake system, three-plug ignition and ceramic apex seals produce 700 hp.
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