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Giorgio Piola's F1 technical analysis
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Giorgio Piola's F1 technical analysis

Tech gallery: How the Toro Rosso STR12 evolved throughout 2017

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Tech gallery: How the Toro Rosso STR12 evolved throughout 2017
By:
Dec 19, 2017, 10:57 AM

A selection of the best technical images of the Toro Rosso’s 2017 challenger, the STR12, courtesy of Giorgio Piola, Sutton Images and LAT images.

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In detail

In detail
1/37

Photo by: Giorgio Piola

The heater (inside the silver bag) maintains a steady temperature for the brake caliper while the car is in the garage.

In detail

In detail
2/37

Photo by: Mark Sutton

A close-up of the floor slot and scrolls utilised by Toro Rosso.

In detail

In detail
3/37

Photo by: Mark Sutton

A close-up of the two element, hooped T-wing used by Toro Rosso. Note also the elegant swan neck style supports that protrude from the shark fin.

In detail

In detail
4/37

Photo by: Giorgio Piola

Toro Rosso, like Mercedes, took the decision to raise the upper wishbones connecting point on the suspension upright.

Chinese GP

Chinese GP
5/37

Photo by: Giorgio Piola

The floor slot found alongside the sidepod on the STR12 was optimised in China, as the team looked to improve flow along the car's flank.

Chinese GP

Chinese GP
6/37

Photo by: Sutton Images

The reflective rear brake drums/cake tins used by the team to improve thermal management.

Chinese GP

Chinese GP
7/37

Photo by: Sutton Images

The rear brake assembly without the brake drum/cake tin attached shows the detailed pipework used to cool the brake caliper.

Russian GP

Russian GP
8/37

Photo by: Motorsport Images

The STR12 being run with an asymmetric cooling outlet.

Spanish GP

Spanish GP
9/37

Photo by: Sutton Images

The updated front wing for the STR12 features a slot in the last element of the mainplane (red arrow), a design feature that was subsequently copied by McLaren. The flap tips, which had been divided into two for the first part of the season were also optimised (blue arrows).

Monaco GP

Monaco GP
10/37

Photo by: Giorgio Piola

A nice three-quarter view of the complex area ahead of the sidepods.

Canadian GP

Canadian GP
11/37

Photo by: Giorgio Piola

In this picture of the front brake duct we can see that the designers have opened up a small window above the brake disc to evacuate heat.

Azerbaijan GP

Azerbaijan GP
12/37

Photo by: Sutton Images

Various front wing solutions to cater for the demands of the Baku street circuit were tried by Toro Rosso, of which two can be seen here on the pitlane stand. Note the differing upper flap configurations.

Austrian GP

Austrian GP
13/37

Photo by: Sutton Images

The brake cylinders are moved up out of the way as the brake and steering systems are bled.

British GP

British GP
14/37

Photo by: Sutton Images

A look at the detail of the front brake assembly without the brake drum fitted which show off the various bits of pipework and ducting used to improve thermal and aerodynamic efficiency.

British GP

British GP
15/37

Photo by: Giorgio Piola

The car on stands as it’s prepared for action by the mechanics.

British GP

British GP
16/37

Photo by: Sutton Images

Fascinating shot of the STR12’s front end including exposure of the suspension, such as the third ‘heave’ element which is caged and runs horizontally across the upper section of the chassis.

Hungarian GP

Hungarian GP
17/37

Photo by: Giorgio Piola

A rearward shot of the turning vanes which were revised in Hungary to feature these serrated footplates.

Hungarian GP

Hungarian GP
18/37

Photo by: Sutton Images

A look at the high-downforce rear wing and monkey seat used by the team in Hungary.

Belgian GP

Belgian GP
19/37

Photo by: Giorgio Piola

Close-up of the STR12’s floor which features an additional flap on its already upturned edge (arrowed).

Italian GP

Italian GP
20/37

Photo by: Giorgio Piola

A look at the rear brake duct, where a reflective surface is used to control the temperatures. Note also the complex array of floor slots ahead of the rear brake assembly and the diffuser's outer edge which sees the detached Gurney trims reach around and rearward to manipulate the edge vortex.

Italian GP

Italian GP
21/37

Photo by: Giorgio Piola

The team used a spoon style rear wing in Italy in order to reduce drag on the straights. Note also the use of an asymmetric cooling outlet at the rear of the engine cover.

Italian GP

Italian GP
22/37

Photo by: Sutton Images

The team testing with the Halo mounted to the car and also a selection of pitot tubes inside the airbox inlet to establish how much the flow stream is disturbed by the safety structure.

Singapore GP

Singapore GP
23/37

Photo by: Giorgio Piola

Toro Rosso introduced a new nose for the Singapore GP with a slightly wider profile matched to longer front wing pillars.

Singapore GP

Singapore GP
24/37

Photo by: Giorgio Piola

As a comparison the older nose featured a narrower tip and shorter wing pillars.

Singapore GP

Singapore GP
25/37

Photo by: Giorgio Piola

A side on shot of the bargeboards which had their leading element reduced in height for Singapore.

Malaysian GP

Malaysian GP
26/37

Photo by: Giorgio Piola

A comparison of the new (bottom) and old (top) specification wings, with changes made to the mainplane arc (highlighted in yellow) endplate (green arrow) outer wing profile (yellow arrow) and ‘r’ cascade (red arrows).

Malaysian GP

Malaysian GP
27/37

Photo by: Giorgio Piola

The double element coat-hanger style T-wing introduced by Toro Rosso in Malaysia.

Japanese GP

Japanese GP
28/37

Photo by: Sutton Images

A look at the area ahead of the sidepods with the ever more complicated turning vanes, bargeboards, deflectors and sidepod airflow conditioners.

Japanese GP

Japanese GP
29/37

Photo by: Sutton Images

A kiel probe array is mounted to the rear quarter of the sidepod as the team looks to gather data that can bring improvements for future races or cars.

United States GP

United States GP
30/37

This shot of the underside of the front wing and nosecone presents us with details about the Naca style inlets for their ‘S’ duct and the position and size of the strakes under the front wing.

United States GP

United States GP
31/37

The under nose/chassis turning vanes introduced in Hungary were divided into three vertical elements and have multiple serrations in the horizontal footplate.

United States GP

United States GP
32/37

This image of the rear of the STR12’s steering wheel shows us an insight into the clutch and gearshift paddles.

United States GP

United States GP
33/37

Photo by: Charles Coates / Motorsport Images

Flo-viz applied to the rear wing and T-wing to assess whether the real world parts correlate with the information from the teams simulation tools.

Mexican GP

Mexican GP
34/37

Photo by: Giorgio Piola

The STR12 with the covers off shows the team's unique layout solutions, including the side saddle oil coolers.

Brazilian GP

Brazilian GP
35/37

Photo by: Mark Sutton

A close-up of the front wing.

Abu Dhabi test

Abu Dhabi test
36/37

Photo by: Sutton Images

Toro Rosso tested an aerodynamic fairing on the Halo during the test in Abu Dhabi.

Abu Dhabi test

Abu Dhabi test
37/37

Photo by: Sutton Images

The aerodynamic fairing tested by Toro Rosso from a rearward angle.

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Series Formula 1
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Author Matt Somerfield