1955 Mercedes Benz 300 Slr
Mercedes-Benz 300 SLR
The Mercedes-Benz 300 SLR is a colorful elision in the racing chronicle of the stigma. It is based partially on the engineering of the successful Thou Prix car, but likewise has the personify of a route racer. It secured major victories for the stain in 1955 and did its role to base its renown.
The Mercedes-Benz 300 SLR was aforethought for the 1954 flavor, and the caller already had entered it in the Le Mans 24-hour subspecies, merely withdrew it at curt observance – the car wasn’t make yet. As later as September 1954 a image hit the running in Monza for a duo of examination laps, with a dry burden of 860 kilograms including two unembellished wheels in its trunk. Level Rome wasn’t reinforced in a day, and the facile racing two-seater was a agio ware – as full-bodied as a cooler but as nimble as a jungle cat, as smooth-spoken Mercedes-Benz 300 SLR driver Lav Polecat put it in his autobiography, Racing with Mercedes. Its home naming W 196 S already indicated its ending relationship with the modern-day Thousand Prix Flatware Arrows, upon which it was so modelled in nearly respects. Its 2982 cc locomotive, with two millimetres more bore-hole and a shot increased by 9.2 millimetres, was the virtually hefty edition of the W 196 R’s eight-cylinder in-line whole and delivered 296 hp (218 kW) at 7400 rpm. The recommended locomotive upper, production and cooler sizing changed according to the characteristics of the approaching airstream, from a dash case such as the Eifel raceway on the Nürburgring terminated 228.1 kilometres to a marathon comparable Le Mans. As of yore twoscore geezerhood sooner, the canonical construct of a one-piece whole combination the drumhead and the cylinders was left-hand unaffected, the two cylinder blocks with four-spot burning units apiece organism made of silumin, a jackanapes high-strength al metal, rather of brand, different the W 196 R’s locomotive. At a ready-for-installation weighting of 235 kilograms, this locomotive sported surprising toughness. One specimen was tormented on the ergometer at racing revs for 9800 kilometres asset another 32 hours. Sole its oil rings were exchanged afterward 5945 kilometres. Tipped to the redress at an fish of 57 degrees, it was installed into the SLR form 4 degrees nearer to the horizontal than in the W 196 R’s, though undercoat headroom was lots higher than the single-seater’s, in panorama of the hard circuits on world roadstead that were role of the backing wheel. It was fuelled by a commixture of 75 pct commercial-grade gas, 15 pct methanol and tenth benzol.
1955 Mercedes-Benz 300 SLR
Virtually uninfluenced, though fine-honed for the limited requirements of, e.g., the two Italian races, was the W 196 R’s pedal abeyance with duplicate wishbones at the breast and a sweep axle at the arse. The richly ramified quad build of the sports car, 60 kilograms igniter, had, by line, been derived from the 300 SL of 1952, a fretwork of tubes 25 millimetres in diam and one mm in paries heaviness, supra whole the sides infra the doors, and with stronger brace in the arena of the hanging. Aft all, thither had to be spa for two, and Ludwig Kraus, the orchestrate responsible the figure, and his squad had to leave the parameters set consume in FIA Appendix J, specifying two doors and the rider compartment dimensions. In spitefulness of this, the driver sat with his legs straddled concluded the batch burrow, as in a K Prix racer. The detachable wheel was set on the odd incline, different its Panther or Ferrari opponents’, although the latter were punter equipt that way for European circuits which were impelled in clockwise focusing.
Solitary in the Mille Miglia, two of quadruplet drivers were really attended by navigators: red-bearded English motoring diarist Denis Jenkinson supported Stirling Moss. Hans Hermann was attended by Fangio’s car-mechanic Hermann Eger. Fangio himself and Karl Kling best-loved to commence the wash lone. A foreign job barbarous to the lot of the arcsecond man aboard: he had to voice the trump if necessity since the genius at the rack had his custody wide holding the car below ascendence.
Braking aids improve deceleration
In Le Mans, the fluent two-seaters caused quite ado with improper braking aids. Via 4 push-buttons, a coney of oil could be squirted on the various drum when one of the brakes locked, something that happened rather frequently to vehicles of all brands. And actuated manually by the driver, an air bracken was erected from the SLR’s behind into the air swarm when needful. The essence was singular: the car had been unemotional as if by approximately unseeable prophylactic lash, Trick Foumart remembered, and Moss pointed out that the air bracken – piece hush on its way devour into residue place – unquestionably increased grip when accelerating out of the corners.
The twist was secondhand again in the Swedish M Prix (for sports cars) at Kristianstad in former Revered, which did not tally towards the humankind backing. For the journeying thereto airstream, client driver Reckon Wolfgang Berghe von Trips arrived in one of two enclosed SLR versions which Uhlenhaut had had highly-developed for succeeding long-distance races. They were ne’er exploited in rivalry. Infernally forte, they principally served for the personal transferral of the racing section’s chief, then got the byname Uhlenhaut takeoveré. It was no marvel that, at that sentence already, Uhlenhaut’s earshot had been gravely afflicted.
Mercedes-Benz 300 SLR (W 196 S) Technical Specifictions