Radical SR3

Last updated
Radical SR3
Radical SR3 Sports Racer of Richard Fricker.JPG
Overview
Manufacturer Radical Sportscars
Production2002-present
Assembly Peterborough, England
Designer Mike Pilbeam
Body and chassis
Class Sports car
Body style Roadster
Layout longitudinal mounted mid-engine, rear-wheel drive
Related Radical SR4
Powertrain
Engine See below
Transmission 6-speed sequential manual
Dimensions
Wheelbase 2,370 mm (93.3 in)
Length3,925–4,300 mm (154.5–169.3 in)
Width1,760–1,800 mm (69.3–70.9 in)
Height1,060–1,140 mm (41.7–44.9 in)
Chronology
Predecessor Radical Clubsport

The Radical SR3 is a race and sports car produced by Radical Sportscars, which has been built in Peterborough since 2002. The vehicle is considered a further development of the Clubsport 1100.

Contents

History

Designed by race car designer Mike Pilbeam, the SR3 is considered Radical's most successful model with over 1,100 units sold. [1] The vehicle was originally developed for participation in international competitions in the C3 class of the FIA. In 2009, a further developed version of the Radical SR3 was presented. For the variant called Radical SR3 SL ( for "Street Legal" ), street legal for small series vehicles is also available. [2]

In Autumn 2014, Radical presented a revised version of the racing version with the SR3 RSX. [3]

Specifications

The SR3 is extremely lightweight with a trellis chassis and weighs less than 600 kg (1,300 lb). The aerodynamic downforce allows cornering acceleration of up to 2 g at high speed. A roof or trunk is not available for the car. The racing bucket seats help to save weight. The SR3 can be ordered as left-hand or right-hand drive. [2]

The engine from the Suzuki Hayabusa 1300 is used in the SR3 RS 1300, SR3 RS 1500 Turbo and SR3 RSX. The 2.0 L I4 Ford EcoBoost engine from the Focus ST powers the SR3 SL. [4] The SR3 delivers 243 hp (181 kW). An increase in output to 304 hp (227 kW) is possible in the "Race Pack" for an additional charge. Since a heater is required to be street legal, it is installed in the SR3 SL. It also has footwell lighting and a 12-volt socket. [5]

Racing series

The SR3 can be raced in a variety of series but is best known for its use in one-make Radical Cup series run by the manufacturer or their associates. Series are run in the UK, across Europe, North America, the Middle East, Asia and Australia [6] .

Engines

NameDisplacementEngineHorsepowerTorqueWeight
SR31,340 cc (82 cu in; 1.34 L) Suzuki Hayabusa Inline-four 202 bhp (205 PS; 151 kW)169 N⋅m (125 lb⋅ft)495 kg (1,091 lb)
SR3 Turbo1,500 cc (92 cu in; 1.5 L)Powertec Inline-four Turbocharged 316 bhp (320 PS; 236 kW)289 N⋅m (213 lb⋅ft)500 kg (1,100 lb)
SR3 RS1,340 cc (82 cu in; 1.34 L) Suzuki Hayabusa Inline-four 210 bhp (210 PS; 160 kW)180 N⋅m (130 lb⋅ft)570 kg (1,260 lb)
SR3 SL (Road Version)2,000 cc (120 cu in; 2.0 L)Powertec Inline-four Turbocharged 240 bhp (240 PS; 180 kW) @ 6,000 rpm359 N⋅m (265 lb⋅ft) @ 4,500 rpm765 kg (1,687 lb)
SR3 SL (Track Version)2,000 cc (120 cu in; 2.0 L)Powertec Inline-four Turbocharged 300 bhp (300 PS; 220 kW)375 N⋅m (277 lb⋅ft)630 kg (1,390 lb)
SR3 SS 15001,500 cc (92 cu in; 1.5 L)Powertec Inline-four 252 bhp (255 PS; 188 kW)176 N⋅m (130 lb⋅ft)495 kg (1,091 lb)
SR3 RSX1,500 cc (92 cu in; 1.5 L)Powertec Inline-four 256 bhp (260 PS; 191 kW)173 N⋅m (128 lb⋅ft)570 kg (1,260 lb)
SR3 13001,300 cc (79 cu in; 1.3 L) Suzuki Hayabusa Inline-four 205 bhp (208 PS; 153 kW) @ 9,500 rpm169 N⋅m (125 lb⋅ft) @ 6,500 rpm495 kg (1,091 lb)
SR3 XX1,340 cc (82 cu in; 1.34 L) Suzuki Hayabusa Inline-four 226 bhp (229 PS; 169 kW)260 N⋅m (190 lb⋅ft)620 kg (1,370 lb)
SR3 XXR1,500 cc (92 cu in; 1.5 L)Powertec Inline-four 232 bhp (235 PS; 173 kW)162.8 N⋅m (120.1 lb⋅ft)620 kg (1,370 lb)
SR3 "Diesel King of Pikes Peak 100 Years edition" 2,000 cc (120 cu in; 2.0 L) EA288 Derived Inline-four Triple Turbocharged 1,000 bhp (1,000 PS; 750 kW)677 N⋅m (499 lb⋅ft)400 kg (880 lb)
SR3 6.3 Supercharged [7] 6,208 cc (378.8 cu in; 6.208 L) Mercedes-Benz M156 V8 Supercharged 765 bhp (776 PS; 570 kW)770 N⋅m (570 lb⋅ft)520 kg (1,150 lb)
TMG EV P001 0 cc (0 cu in; 0 L)two EVO Electric permanent magnet synchronous motors 375.5 bhp (280.0 kW)800 N⋅m (590 lb⋅ft)970 kg (2,140 lb)

Related Research Articles

<span class="mw-page-title-main">Porsche 968</span> German sports car

The Porsche 968 is a sports car manufactured by German automobile manufacturer Porsche AG from 1991 until 1995. It was the final evolution of a series of water-cooled front-engine rear wheel drive models that began almost 20 years earlier with the introduction of the 924. It was intended to take over the entry-level position in the company lineup from the 944, which much of the vehicle was derived from. The 968 was Porsche's last new front-engined vehicle until the introduction of the Porsche Cayenne in 2003.

<span class="mw-page-title-main">Acura</span> Luxury and performance vehicle brand by Honda

Acura is the luxury and performance division of Japanese automaker Honda, based primarily in North America. The brand was launched on March 27, 1986, marketing luxury and performance automobiles. Acura sells cars in the United States, Canada, Mexico, Panama, and Kuwait. The company has also previously sold cars in Mainland China, Hong Kong, Russia, and Ukraine. Plans to introduce Acura to the Japanese domestic market in the late 2000s did not eventuate due to the financial crisis of 2007–2008.

<span class="mw-page-title-main">Porsche Carrera GT</span> Mid-engine limited production sports car manufactured by German car manufacturer Porsche

The Porsche Carrera GT is a mid-engine sports car that was manufactured by German automobile manufacturer Porsche from 2004 to 2006. Sports Car International named the Carrera GT number one on its list of Top Sports Cars of the 2000s, and number eight on its Top Sports Cars of All Time list. For its advanced technology and development of its chassis, Popular Science magazine awarded it the "Best of What's New" award in 2003.

<span class="mw-page-title-main">Porsche 911 (930)</span> German turbocharged sports car variant

The Porsche 930 is a turbocharged variant of the 911 model sports car manufactured by German automobile manufacturer Porsche between 1975 and 1989. It was the maker's top-of-the-range 911 model for its entire production duration and, at the time of its introduction, was the fastest production car available in Germany.

<span class="mw-page-title-main">Mercedes-Benz 300 SL</span> Mercedes gullwinged coupé/roadster (1954–1963)

The Mercedes-Benz 300 SL is a two-seat sports car that was produced by Mercedes-Benz from 1954 to 1957 as a gullwinged coupé and from 1957 to 1963 as a roadster. The 300 SL traces its origins to the company's 1952 racing car, the W194, and was equipped with a mechanical direct fuel injection system that significantly increased the power output of its three-liter overhead camshaft straight-six engine.

<span class="mw-page-title-main">Porsche 911 (964)</span> Motor vehicle

The Porsche 964 is a model of the Porsche 911 sports car manufactured and sold between 1989 and 1994. Designed by Benjamin Dimson through January 1986, it featured significant styling revisions over previous 911 models, most prominently the more integrated bumpers. It was the first car to be offered with Porsche's Tiptronic automatic transmission and all wheel drive as options.

<span class="mw-page-title-main">Porsche 911 GT1</span> Grand Touring race car manufactured by German automobile manufacturer Porsche

The Porsche 911 GT1 is a car designed and developed by German automobile manufacturer Porsche AG to compete in the GT1 class of sportscar racing, which also required a street-legal version for homologation purposes. The limited-production street-legal version developed as a result was named the 911 GT1 Straßenversion.

The Barber Dodge Pro Series was a professional open-wheel auto racing series from 1986 to 2003. It was one of the first professional spec series for open-wheel racecars in North America. The races were primarily on road and street courses in North America, although the schedule did sometimes include a few ovals.

<span class="mw-page-title-main">Saleen S7</span> Sports car manufactured by Saleen

The Saleen S7 is an American hand-built, high-performance sports car designed and built by American automobile manufacturer Saleen Automotive Inc. Developed jointly by Steve Saleen for the initial concept, direction and engine, Hidden Creek Industries for resources and initial funding, Ray Mallock Ltd. (RML) for chassis, suspension and aerodynamics, and Phil Frank for the body and interior CAD design and development.

<span class="mw-page-title-main">Porsche 911 GT3</span> Porsche sports car

The Porsche 911 GT3 is a high-performance homologation model of the Porsche 911 sports car. It is a range of high-performance models, which began with the 1973 911 Carrera RS. The GT3 has had a successful racing career in the one-make national and regional Porsche Carrera Cup and GT3 Cup Challenge series, as well as the international Porsche Supercup supporting the FIA F1 World Championship.

<span class="mw-page-title-main">Radical Sportscars</span> British car manufacturer

Radical Motorsport Limited, also known as Radical Sportscars, is a British manufacturer and constructor of racing cars. The company was founded in January 1997 by amateur drivers and engineers Mick Hyde and Phil Abbott, who built open cockpit sportscars which could be registered for road use and run on a track without modification. Radical produce a mix of purpose built race cars as well as road legal sports cars in varying specifications. Their most popular car is the Radical SR3.

<span class="mw-page-title-main">Porsche 911 GT2</span> Motor vehicle

The Porsche 911 GT2 is a high-performance, track-focused sports car built by the German automobile manufacturer Porsche from 1993 to 2009, and then since 2010 as the GT2 RS. It is based on the 911 Turbo, and uses a similar twin-turbocharged engine, but features numerous upgrades, including engine enhancements, larger brakes, and stiffer suspension calibration. The GT2 is significantly lighter than the Turbo due to its use of rear-wheel-drive instead of an all-wheel-drive system and the reduction or removal of interior components. As a result, the GT2 is the most expensive and fastest model among the 911 lineup.

<span class="mw-page-title-main">Reiter Engineering</span>

Reiter Engineering GmbH & Co Kg, commonly known simply as Reiter Engineering, is a German racing team and racing car manufacturer established in 2000 by motorsport engineer Hans Reiter.

The Radical European Masters, or REM for short, is a one make sports cars motor racing series launched in 2008.

Class 1 Touring Cars refers to two generations of prototype silhouette-style touring car regulations employed by the FIA.

The Australian Prototype Series is an Australian motor racing series for competitors smaller-engined prototype sports cars. Originally known as Sports Racer Series, eligibility is something of a polyglot collection of existing racing cars and racing categories, featuring Group 2C Supersport racing cars, which in itself is an amalgamation of the former Clubman Sports 1300 regulations with some newer motorcycle engined cars built specifically for Supersports, and a group of Category 6 sports cars produced by West, Minetti, Radical, Lincspeed and ADR, many of which formerly raced as Prototype Sports Cars, or Protosports. Drawing from so many different sources, entry was diverse. The first race meeting for the new category was held at the 2010 Clipsal 500 V8 Supercar race meeting. By 2011 the majority of the grid were American style SCCA DSR class Wests.

<span class="mw-page-title-main">Group GT3</span> Regulation for grand tourer racing cars

Group GT3, known technically as Cup Grand Touring Cars and commonly referred to as simply GT3, is a set of regulations maintained by the Fédération Internationale de l'Automobile (FIA) for grand tourer racing cars designed for use in various auto racing series throughout the world. The GT3 category was initially created in 2005 by the SRO Motorsports Group as a third rung in the ladder of grand touring motorsport, below the Group GT1 and Group GT2 categories which were utilized in the SRO's FIA GT Championship, and launched its own series in 2006 called the FIA GT3 European Championship. Since then, Group GT3 has expanded to become the de facto category for many national and international grand touring series, although some series modify the ruleset from the FIA standard. By 2013, nearly 20 automobile manufacturers have built or been represented with GT3 machines.

<span class="mw-page-title-main">Mercedes-AMG GT</span> Sports car manufactured by Mercedes-AMG as a successor to the SLS AMG

The Mercedes-AMG GT is a series of 2-door sports cars produced by German automobile manufacturer Mercedes-AMG. The car was introduced on 9 September 2014 and was officially unveiled to the public in October 2014 at the Paris Motor Show. While not directly replacing the SLS AMG, it is the second sports car developed entirely in-house by Mercedes-AMG. The Mercedes-AMG GT went on sale in two variants in March 2015, while a GT3 racing variant of the car was introduced in 2015. A high performance variant called the GT R was introduced in 2016. A GT4 racing variant, targeted at semi-professional drivers and based on the GT R variant, was introduced in 2017. In 2021, a new variant called the AMG GT Black Series was released. All variants are assembled at the Mercedes-Benz plant in Sindelfingen, Germany.

<span class="mw-page-title-main">Renault Sport R.S. 01</span> Sports racing car

The Renault Sport R.S. 01 is a sports racing car manufactured by Renault Sport, the performance division of French automaker Renault. It was originally built to compete in the Renault Sport Trophy, the company's one-make racing series, serving as a replacement for the Renault Mégane Trophy. The car was later homologated for Group GT3 by the SRO Motorsports Group for the car to be able to compete in GT3 class racing series. The Trophy-spec R.S. 01 is the most powerful one-make racer built by Renault, and also the only race car not based on a production car.

<span class="mw-page-title-main">Porsche 911 RSR</span> Motor vehicle

The Porsche 911 RSR and its predecessor GT3 RSR, GT3 RS and GT3 R were a line of GT racing cars produced by Porsche that are used in motorsport for endurance races. They are based on the currently highest class in GT racing worldwide, the GTE class from ACO. These regulations lead back to the concept of a GT3 class below the then Group GT1 and GT2 from 1998. After the discontinuation of the GT1 class, the planned GT3 class was from 1999 at the ACO as a GT class below the GTS, as well advertised by the FIA from 2000 as N-GT. After the alignment of the GT rules between FIA and ACO in 2005, this class was renamed GT2 class. When the FIA's GT2 European Championship failed and the participants in the GT1 class at the 24 Hours of Le Mans dwindled, the ACO renamed the GT2 class GTE in 2011 and divided it into GTE-Pro for professionals and GTE-AM for amateurs. Over the years, Porsche was continuously represented in this class with different series of the 911.

References

  1. "Radical SR3, Overwiew". radicalsportscars.com. Retrieved 2018-01-31.
  2. 1 2 "Suzis radikaler Bruder". autobild.de (in German). 2009-03-09. Retrieved 2018-01-31.
  3. Vijayenthiran, Viknesh (3 November 2014). "Radical Reveals SR3 RSX And SR8 RSX Track Cars". Motor Authority. Retrieved 26 August 2022.
  4. "Radical SR3 SL: Purist für die Straße". heise.de (in German). 2010-12-22. Retrieved 2018-01-31.
  5. "Radikal offen und ehrlich". auto-motor-und-sport.de (in German). 2012-07-02. Retrieved 2018-01-31.
  6. Works, TwentySeven. "Radical Motorsport | Drive". Radical Motorsport. Retrieved 2025-01-11.
  7. "2004 Radical SR3". GR Auto Gallery. Retrieved 2025-01-13.

6. ^ "https://www.carfolio.com/radical-sr3-117733" Retrieved 19-11-2022