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Fiat Abarth 750 Bertone
https://www.autocar.co.uk/slideshow/...nd-glorious#29

Fiat Abarth 750 Bertone

Part endurance car, part flying saucer, the single-seater Abarth 750 Bertone was first seen at the Turin motor show in 1956. As you might imagine, at the time it was designed to stop visitors in its tracks. But it was also designed to break records – and it did that too, going on to set records in both speed and endurance for H class cars (500-750cc).

It was designed by Franco Scaglione, a year after he penned the last of his Alfa Romeo BAT cars, the BAT 9.

Fiat Abarth 750 Bertone – First of the record-breakers
https://enzari.com/2020/04/fiat-abar...cord-breakers/

In 1956 Karl Abarth took the plunge and decided to focus on the challenge that was to be central to his worldwide fame: breaking international speed and endurance records.

The record-breakingFiat Abarth 750 was first seen at the Turin Motor Show in April 1956. The aerodynamic design was the work of Franco Scaglione for Bertone. The single-seater was created to stun visitors to the event and above all to set new world speed and endurance records in the H class, open to cars with displacement from 500 to 750 cc.

The car was fitted with the Fiat 600 engine “derived from the Abarth 750”, and many of its components, including the steering and suspensions, were taken from the Fiat 600, although the main aim was to achieve the lightest possible weight. It tipped the scales at just 385 kg. It only had brakes on the front axle and the gearbox had three speeds with a particularly high axle ratio, ideal for holding a constant top speed, at over 190 km/h.

As well as the mechanics and drivers, Karl Abarth and Nuccio Bertone were also present at the record-breaking attempt at the Monza circuit on 17 June 1956.