World debut for Toyota FT-86 open concept

World debut for Toyota FT-86 open concept

OneShift Editorial Team
OneShift Editorial Team
04 Mar 2013

The show car has a special pure bright white and navy blue colour scheme designed by Toyota Boshoku Milan Design (TBMD) to capture the spirit and atmosphere of Milan, one of the world’s leading centres for fashion and design. The bodywork is finished in white, contrasting with the blue of the roof. Inside, the perforated white leather upholstery is layered over a navy blue backing, with golden yellow accent stitching and carpets.

The FT-86 Open uses the same platform and powertrain as the GT86. At its heart is the naturally aspirated, horizontally opposed 1,998cc four cylinder “boxer” engine. Equipped with Toyota’s D-4S direct injection technology, this compact unit is set low, helping lower the car’s overall centre of gravity, and is capable of producing 100bhp per litre. It drives the rear wheels through a short-throw, six-speed manual gear shift or a six-speed automatic – the latter with the world’s fastest paddle shift speed, just two tenths of a second.

As with the production GT86, it features MacPherson strut front and double wishbone rear suspension to give a direct handling feel, instant response and a high level of control. The electric power steering has a quick 13.1:1 ratio that’s on a par with racing models, while large ventilated disc brakes fore and aft deliver excellent pedal feel for car control finesse.

Toyota has pinpointed numerous areas that will need further engineering evaluation to assess the impact of the cabriolet design on performance, vehicle rigidity, balance, weight and aerodynamics. However, with features such as frameless doors, the GT86 was designed with the development of a cabriolet in mind, which means the impact on structural rigidity by converting to an open-top design should not be great. Efficient measures to preserve rigidity are being analysed, such as the use of door lock reinforcements.

GT86 has a near-perfect 53:47 front-to-rear weight distribution, helping deliver ideal response to even subtle steering, throttle and brake inputs, and a low, 460mm centre of gravity. While introducing a fabric roof is likely to bring the centre of gravity even lower, further engineering analysis will be needed to match the balance of the coupe.

GT86 tips the scales at only 1257kg, thanks to comprehensive weight-saving measures, giving the car a power-to-weight ratio of around 160bhp per tonne This is crucial to performance, given the car uses an engine with a relatively small capacity. Engineering the cabriolet to be “weight-neutral” relative to the coupe will be a key area of study should Toyota decided to progress with the project.

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