The 250 Testa Rossa was intended to offer clients as of now hustling with the 500 TRC a significantly more capable motor on a comparable case to hold the previous model’s awesome taking care of. Talk additionally had it that the FIA would put a 3-liter farthest point on models and this in fact turned out to be the situation. Thus the solid V12 from the 250 Gran Turismo was utilized though with a fundamentally tuned with six twin-stifle carburettors. Contrasted and the 500 TRC, just the valve spreads were painted red, however the auto still kept the Testa Rossa name and won the Manufacturers’ World Championship in 1958.
Union of the Columbo V12 and 500 TR frame made up the 250 Testa Rossa underpinnings. These parts were favored over the perplexing quad camshaft and double ignition arrangements found in the 335 which were additionally heavier. Yet, the 250 Testa Rossa was truly a great deal more than the mix of existing designing. It presented an outline logic that concentrated on unwavering quality over out and out execution. Ferrari needed to offer reliable autos that could persist for 24 hours.
In the wake of adjusting frame 0666TR and 0704TR amid the 1957 season with different 250GT, 290MM, 335 or 500TR sections, a last detail was come to. Ferrari reported the 250 Testa Rossa at their pre-season question and answer session held in November 1957. The auto was expected for autonomous clients who dashed at America’s SCCA races and the CSI’s World Sportscar Championship. As manufacturing plant contribution was constrained to the bigger races, private participants were left to fight the SCCA and littler European occasions.
As discharged, the 250 Testa Rossa had apparently unassuming designing. The drum brakes or 250 motor were undoubtedly old innovation contrasted with the circle brakes and DOHC setups that were accessible. Additionally, analyzed different autos of the period, the Testa Rossa undercarriage was made more massive to tackle a hefty portion of the trench and dividers which these autos met. Such returns took after the first outline rationality and helped the Testa Rossas persist to win numerous races.
All the client autos highlighted a body like the 500 TR (Testa Rossa) which held the live-hub backside. Another normal component was the astounding “boat” bodywork outlined by Sergio Scaglietti and his firm at Scaglietti and C. Under the administration of Gian Carlo Guerra, the organization worked without drawings, rather going straight to a wire system. They utilized a nose like the period F1 autos with cutaway bumpers some of the time called sponsons. The thought was to uncover the extensive brake drums to help in cooling. While striking and energizing this shape was insecure at high speeds. To alter the streamlined features, Ferrari adjusted the configuration to highlight bodywork that was a completely encased outline.
Now is imperative to say the unrivaled industrial facility Testa Rossas which Ferrari ran and recognize them from the client autos which Ferrari sold. After the initial few races, it was evident to Ferrari that they needed to update the Testa Rossa if they somehow happened to win the CSI’s Sports Car Championship. The group autos were moved up to incorporate a De Dion back hub and an all encompassing body.
|Configuration||Type 121 Straight 6|
|Location||Front, longitudinally mounted|
|Construction||aluminium block and head|
|Displacement||4,410 cc / 269.1 cu in|
|Bore / Stroke||102.0 mm (4 in) / 90.0 mm (3.5 in)|
|Valvetrain||2 valves / cylinder, DOHC|
|Fuel feed||3 Weber 50 DCOA 3 Carburettors|
|Power||330 bhp / 246 KW @ 6,000 rpm|
|BHP/Liter||75 bhp / liter|
|Chassis||aluminium body on steel tubular frame|
|Front suspension||double wishbones, coil springs|
|Rear suspension||DeDion axle, transverse leaf spring, Houdaille hydraulic dampers|
|Brakes||hydraulic drums, all-round|
|Gearbox||5 speed Manual|
|Drive||Rear wheel drive|
|Weight||850 kilo / 1,874 lbs|
|Wheelbase / Track (fr/r)||2,400 mm (94.5 in) / 1,278 mm (50.3 in) / 1,284 mm (50.6 in)|
|Power to weight||0.39 bhp / kg|
|Top Speed||290 km/h (180 mph)|
Ferrari 121 LM Scaglietti Spyder 1955 Design Interior Exterior