Honda V12 engine explained

Manufacturer:	Honda
Designer:	Yoshio Nakamura (1964-1968) Osamu Goto (1991-1992)
Production:	1964 - 1968, 1991 - 1992
Fueltype:	Gasoline
Fuelsystem:	Carburetor Electronic fuel injection
Coolingsystem:	Water-cooled
Valvetrain:	48-valve, DOHC, four-valves per cylinder^[1] ^[2] ^[3]
Aspiration:	naturally-aspirated
Weight:	NaN1NaN1^[4]
Power:	^[5] ^[6]
Torque:	^[7] ^[8]
Compression:	12.0:1-12.9:1^[9]
Predecessor:	Honda RA16 engine
Successor:	Honda V10 engine

Honda has made a number of naturally-aspirated V12 engines designed for Formula One motor racing; starting with the 1.5-litre RA271E engine in,^{[10] [11]} and ending with the 3.0-litre RA273E in .^{[5] [12]} This would be followed by a 21-year hiatus, until Honda reintroduced the new 3.5-litre RA121E in .^[13] The RA121E would go down as the last V12 engine to win a Formula One World Championship.^[14] Honda's last-ever V12 engine, the RA122E/B, raced in .^[15]

Applications

• Honda RA271
• Honda RA272
• Honda RA273
• Honda RA300
• Honda RA301
• RC-F1 1.0X (RC100) / RC-F1 1.5X (RC101) (prototypes; never raced)
• McLaren MP4/6
• McLaren MP4/7A

Grand Prix engine results

• 1 World Constructors' Championship.
• 1 World Drivers' Championship.
• 15 race wins.
• 12 pole positions.
• 35 podium finishes

Notes and References

1. Web site: F1: Honda's first Formula 1 engine, almost 50 years ago (+video) | Car News | Auto123. auto123.com.
2. Web site: 1965 Honda RA272. conceptcarz.com.
3. Web site: Honda RA271/272 1.5 Litre V12 1964/5 GP Cars…. December 12, 2014.
4. Web site: Summary of Honda Formula One Engine in Third-Era Activities. PDF. F1-forecast.com. 10 November 2021.
5. Web site: Engine Honda . Statsf1.com.
6. Web site: Honda Global | Formula One Entry: The Initial Phase / 1964. global.honda.
7. Web site: 1990's F1 Engine Torque graphs - F1technical.net. www.f1technical.net.
8. Web site: Spicer Horsepower and Torque Calculator. spicerparts.com.
9. Web site: Specifications of 50 famous racing engines up to 1994 - Page 17 - F1technical.net. www.f1technical.net.
10. Web site: When Honda Brought a 1.5-Liter V-12 to Formula 1. 2 October 2020. Roadandtrack.com.
11. Web site: F1: Honda's first Formula 1 engine, almost 50 years ago (+video) | Car News . Auto123.com.
12. Web site: 1967 Honda RA300 F1 Car - 3.0L V12 Engine Sound!. 10 November 2021. YouTube.
13. Web site: 1991 McLaren MP4/6 F1 Sound - Honda 3.5 V12 Engine Screams at Goodwood. 10 November 2021. YouTube.
14. Web site: 1991 McLaren MP4/6 Honda - Images, Specifications and Information. Ultimatecarpage.com. 10 December 2019.
15. Web site: Natural Aspirations. Racecar. Engineering. June 25, 2020.