Inside the Mazda 787: Rebuilding a 4-Rotor Le Mans Prototype

MORE OF ROTARY ICONS Mazda RX-7 GTO Onboard at Laguna Seca: If you asked someone to imitate a race car theyd make this sound. This is the story of the legendary Mazda 787: a machine powered by one of the most unique engines ever built.
In this video we follow the teardown inspection and rebuild of Mazdas iconic 4-rotor Le Mans engine as this historic race car is brought back to life. From precision measurements of rotor housings to the challenges of sourcing one-of-a-kind parts this rebuild highlights what makes these rotary-powered prototypes so special.
Every component is inspected restored and reassembled to return the car to its former glory and back on track. Inside this rebuild: - Full teardown and inspection of a 4-rotor Le Mans engine - Measuring housing wear and compression loss - Apex seal behavior and high-tension spring design - Unique 3-spark-plug-per-rotor setup for endurance racing - Rare one-of-a-kind components built only for this program Unlike conventional piston engines this rotary shares almost nothing with what most people are used to.
No camshafts.
No valves.
Just pure high-revving engineering that screams past 9000 RPM and delivers one of the most unforgettable sounds in motorsport. Developed by Mazda for endurance racing like the 24 Hours of Le Mans the 787 represents a crucial step in rotary racing history: where innovation reliability and sound came together to define an era. At night these cars didnt just race: they spit flames shook the ground and created a sound that carried for miles. And now theyre coming back. Буферизовано с YouTube на время плохой работы YouTube.

Источник: rutube.ru