Lotus 93T

{{Use dmy dates|date=May 2017}}

{{Use British English|date=May 2017}}

{{Infobox racing car

| Image = 260 px

| Caption = An Elio de Angelis Lotus 93T on display in 2010.

| Car_name = Lotus 93T

| Category = Formula One

| Constructor = Lotus

| Designer = Colin Chapman (Technical Director)
Martin Ogilvie (Chief Designer)

| Predecessor = 92

| Successor = 94T

| Team = John Player Team Lotus

| Drivers = 11. {{flagicon|ITA}} Elio de Angelis
12. {{flagicon|GB}} Nigel Mansell

| Technical ref = {{Cite web|url=http://www.statsf1.com/en/lotus-93t.aspx|title = Lotus 93T • STATS F1}}

| Chassis = Carbon fibre and Kevlar monocoque

| Engine name = Renault Gordini EF1,

| Configuration = 90° V6,

| Capacity = {{convert|1492|cc|cuin|1|abbr=on}},

| Turbo/NA = turbo,

| Engine position = mid-engine, longitudinally mounted

| Gearbox name = Lotus / Hewland

| Type = manual

| Gears = 5-speed

| Differential =

| Front suspension = Double wishbones, pull rod, coil springs

| Rear suspension = Double wishbones, pull rod, coil springs

| Wheelbase = {{convert|2667|mm|in|0|abbr=on}}

| Track = Front: {{convert|1816|mm|in|0|abbr=on}}
Rear: {{convert|1664|mm|in|0|abbr=on}}

| Fuel = Elf

| Tyres = Pirelli

| Weight = {{convert|560|kg|lb||abbr=on}}

| Debut = 1983 United States Grand Prix West

| Races = 7

| Cons_champ = 0

| Drivers_champ = 0

| Wins = 0

| Poles = 0

| Fastest_laps = 0

| Podiums = 0

}}

The Lotus 93T was a Formula One car with which the Team Lotus participated the first part of the F1 championship in 1983. It was the first Lotus car to use the Renault Gordini EF1 turbo engine and was the last F1 car designed by team founder Colin Chapman. In the championship the car was driven by Elio de Angelis, the other driver of the team, Nigel Mansell, raced with the Lotus 92, a car with the Ford Cosworth engine. The 93T was replaced in the course of the season with the Lotus 94T. Mansell drove the 93T car twice, in the 1983 German Grand Prix after he suffered problems with his 94T during the warm-up and had to revert to the older model, and much earlier in the year in a non-championship race, the 1983 Race of Champions at Brands Hatch, his first race in the turbo car. The 93T usually performed well in qualifying but suffered with reliability problems and came only once to the finish of a race.

Its design and development is the subject of the documentary made by the teams sponsors John Player & Sons (JPS) called Lotus Goes Turbo which follows the team's steps from Colin Chapman's announcement that Lotus would switch from using the venerable old Cosworth DFV to join the ranks of the turbos from 1983, to Chapman's sudden death in 1982 and the design and construction of the teams first turbo car, the 93T while having to conform to FISA's new flat bottom regulations. It also covers the cars public launch and its first test session at the Circuit Paul Ricard in the south of France.

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