Hart 415T
Overview
ManufacturerUnited Kingdom Hart
Production19811985
Layout
ConfigurationL4
Displacement1.5 L (91.5 cu in)
Cylinder bore88 mm (3.5 in)
Piston stroke61.55 mm (2.4 in)
Valvetrain16-valve, DOHC, four-valves per cylinder
Compression ratio6.7:1
Combustion
TurbochargerKKK (later Holset)
Fuel systemDirect fuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output540–825 hp (403–615 kW; 547–836 PS)[1]
Torque output380–480 lb⋅ft (515–651 N⋅m)[2]
Dimensions
Dry weight140 kg (310 lb)

The Hart 415T is a four-stroke, 1.5-litre, turbocharged, inline four-cylinder racing Internal combustion engine, designed, developed and tuned by Brian Hart of Hart Racing Engines, for use in Formula One racing and competition, between 1981 and 1986. It initially developed about 540 hp (400 kW) in 1981, but power levels later surged, eventually going on to produce about 825 hp (615 kW) in qualifying trim and on maximum boost pressure, in 1985. The engines were used by Toleman, RAM, Spirit, and Haas Lola.[3][4][5]

Applications

References

  1. "Engine Hart • STATS F1". www.statsf1.com. Retrieved 12 June 2022.
  2. "Horsepower and Torque Calculator". Retrieved 12 June 2022.
  3. "Hart 415T engine". Retrieved 12 June 2022.
  4. "Hart 415T turbo F1 engine". Retrieved 12 June 2022.
  5. "AYRTON SENNA'S FIRST F1 ENGINE- THE HART 415T. TINY ENGINE, TINY BUDGET, BIG TURBO, BIG POWER!". Retrieved 12 June 2022.


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