| Hart 415T | |
|---|---|
 | |
| Overview | |
| Manufacturer |  Hart |
| Production | 1981–1985 |
| Layout | |
| Configuration | L4 |
| Displacement | 1.5 L (91.5 cu in) |
| Cylinder bore | 88 mm (3.5 in) |
| Piston stroke | 61.55 mm (2.4 in) |
| Valvetrain | 16-valve, DOHC, four-valves per cylinder |
| Compression ratio | 6.7:1 |
| Combustion | |
| Turbocharger | KKK (later Holset) |
| Fuel system | Direct fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 540–825 hp (403–615 kW; 547–836 PS) |
| Torque output | 380–480 lb⋅ft (515–651 N⋅m) |
| Dimensions | |
| Dry weight | 140 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.
Applications
References
- "Engine Hart • STATS F1". www.statsf1.com. Retrieved 12 June 2022.
- "Horsepower and Torque Calculator". Retrieved 12 June 2022.
- "Hart 415T engine". Retrieved 12 June 2022.
- "Hart 415T turbo F1 engine". Retrieved 12 June 2022.
- "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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