
The Rennmax name was applied to a series of
open wheel racing cars
An open-wheel single-seater (often known as formula car) is a car with the wheels outside the car's main body, and usually having only one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have thei ...
and
sports racing cars constructed by Rennmax Engineering in
Sydney, Australia between 1962 and 1978.
[Tony Davis, The Macquarie Dictionary of Motoring, 1986, pages 402-403] Rennmax Engineering was established by Bob Britton in 1961, its name derived from the German word "Renn", meaning race and the abbreviation "max", for maximum.
[
]
Models
Although Rennmax cars are often referred to by model designations such as BN2, BN3 etc., Britton claimed that the origins of these were unknown to him and in practice he did not even stamp chassis numbers on his creations.[Graham Howard, The Rennmax Story]
Retrieved from www.rennmax.com on 5 August 2010 The following list utilises these unofficial model designations and also includes models which were built by Rennmax Engineering but raced under names other than Rennmax.
Rennmax Climax
The first Rennmax chassis, built for Noel Hall in 1962, utilised numerous components from Hall's Cooper
Cooper, Cooper's, Coopers and similar may refer to:
* Cooper (profession), a maker of wooden casks and other staved vessels
Arts and entertainment
* Cooper (producers), alias of Dutch producers Klubbheads
* Cooper (video game character), in ' ...
, including a 2.2-litre Coventry Climax
Coventry Climax was a British forklift truck, fire pump, racing, and other specialty engine manufacturer.
History
Pre WW1
The company was started in 1903 as Lee Stroyer, but two years later, following the departure of Stroyer, it was reloca ...
engine.[
]
Rennmax BN1
The Rennmax BN1 was a single seater racing car incorporating concepts from the Lotus 20 & Lotus 22 designs.[Rennmax BN1 on OldRacingCars.com]
Retrieved 5 August 2010 At least 6 examples were built circa 1962–1964.[
]
Rennmax Vee
The Rennmax Vee was a Formula Vee racing car produced in series for Greg Cusack and Bruce Burr.[Rennmax on OldRacingCars.com]
Retrieved 5 August 2010 Nine cars were built during 1965–66.[ The cars were originally referred to as CBs but each example was later renamed to "Rennmax".][
]
Mildren Maserati
The Mildren Maserati was a sports racing car
Sports car racing is a form of motorsport road racing which utilises sports cars that have two seats and enclosed wheels. They may be purpose-built prototypes or grand tourers based on road-going models. Broadly speaking, sports car racing i ...
built for Alec Mildren
Alec Mildren (1915–1998) was active in Australian motor racing as a driver from 1938 to 1961, and subsequently as the owner of Alec Mildren Racing.
Racing career
Mildren began his racing career in an Austin in 1938Mike Kable, ''Alec Mildren w ...
in 1965.[ It was constructed in the style of the Lotus 23, utilised various components from a Cooper T51 and was powered by a 2.9-litre ]Maserati Type 61
The Maserati Tipo 60/61 (commonly referred to as the Maserati Birdcage) are a series of sports racing cars produced between 1959 and 1961 by Italian automobile manufacturer Maserati for privateers racing in sports car events including the 24 Hours ...
engine.[
]
Lotus 23 replica
A series of replica Lotus 23 sports racing cars were constructed[ in the mid 1960s.][
]
Matich SR3
The Matich SR3 The Matich name was applied to a series of sports racing cars and open wheel racing cars produced in Australia between 1967 and 1974 under the direction of Sydney-based racing driver and engineer Frank Matich.The Macquarie Dictionary of Motoring, ...
sports racing cars were constructed by Rennmax Engineering for Frank Matich
Frank Matich (25 January 193511 May 2015) was an Australian racing car driver. A highly successful motor racing competitor in the 1960s and 1970s, Matich built his own range of Matich sports cars and open wheel cars, mainly to support his ...
.[ Bob Britton then accompanied Matich to the United States when he competed in the ]1967 Can-Am season
The 1967 Canadian-American Challenge Cup was the second season of the Can-Am auto racing series. It involved FIA Group 7 racing cars running two-hour sprint events. It began September 3, 1967, and ended November 12, 1967, after six rounds.
The s ...
.[
]
Rennmax BN2
The Rennmax BN2 was a one-off single seater model, based on the Brabham
Brabham () is the common name for Motor Racing Developments Ltd., a British racing car manufacturer and Formula One racing team. Founded in 1960 by Australian driver Jack Brabham and British-Australian designer Ron Tauranac, the team won fo ...
BT14 and built for Max Stewart in February 1968.[Rennmax BN2 on OldRacingCars.com]
Retrieved 5 August 2010 It used a 1.5-litre Ford twin cam engine.[
]
Mildren (Waggott)
The Mildren Mildren may refer to:
*Dean Mildren (born 1943), Australian judge
*Frank T. Mildren (1913–1990), American general
*Jack Mildren (1949–2008), American quarterback
*John Mildren (1932–2024), Australian politician
*Paul Mildren (born 1984), Austr ...
, based on the Brabham
Brabham () is the common name for Motor Racing Developments Ltd., a British racing car manufacturer and Formula One racing team. Founded in 1960 by Australian driver Jack Brabham and British-Australian designer Ron Tauranac, the team won fo ...
BT23, was produced for Alec Mildren
Alec Mildren (1915–1998) was active in Australian motor racing as a driver from 1938 to 1961, and subsequently as the owner of Alec Mildren Racing.
Racing career
Mildren began his racing career in an Austin in 1938Mike Kable, ''Alec Mildren w ...
in 1968.[Rennmax BN3 on OldRacingCars.com]
Retrieved 5 August 2010 Initially power by a 1.6 Alfa Romeo
Alfa Romeo Automobiles S.p.A. () is an Italian luxury car manufacturer and a subsidiary of Stellantis. The company was founded on 24 June 1910, in Milan, Italy. "Alfa" is an acronym of its founding name, "Anonima Lombarda Fabbrica Automobili." ...
engine, it later used a Waggott powerplant.[
Racing as the Mildren Waggott, the car was used by Max Stewart to win the ]1969 Australian Formula 2 Championship
The 1969 Australian Formula 2 Championship was a CAMS sanctioned Australian motor racing title open to racing cars complying with Australian Formula 2. The title, which was the third Australian Formula 2 Championship,Records, Titles and Awar ...
, the 1970 Australian Formula 2 Championship
The 1970 Australian Formula 2 Championship was an Australian motor racing title for drivers of racing cars complying with Australian Formula 2 regulations. The title, which was recognised by the Confederation of Australian Motor Sport as the ...
and the 1971 Australian Drivers' Championship
The 1971 Australian Drivers’ Championship was a CAMS sanctioned motor racing title open to Australian Formula 1 and Australian Formula 2 racing cars.Conditions for Australian Titles, 1971 CAMS Manual of Motor Sport, pages 79-83 It was the fi ...
.
Rennmax BN3
The Rennmax BN3 was an open wheeler design derived from the Brabham BT23-based Mildren.[ Five examples were built between 1968 and 1971.][
{{Clear
]
Rennmax BN6 (Sports racing car)
A Rennmax sports racing car, powered by a 2-litre BMW engine, was built in 1970 for Doug Macarthur.[ A second chassis was built the following year for Ray Hanger who also commissioned another example in 1982.][ This model has been referred to as the Rennmax BN6 although this designation has also been applied to an ]Australian Formula 2
Australian Formula 2, sometimes abbreviated to AF2 or ANF2, is a "wings and slicks" formula racing category in Australia. The category is one of Australia's oldest, dating back to 1964. The current format of AF2 was introduced in 1978. Brian Shea ...
car of 1974. (see Rennmax BN6 (Formula 2) below)
Rennmax Repco
The Rennmax Repco was a one off sports racing car
Sports car racing is a form of motorsport road racing which utilises sports cars that have two seats and enclosed wheels. They may be purpose-built prototypes or grand tourers based on road-going models. Broadly speaking, sports car racing i ...
built in 1972 for Lionel Ayers and powered by a 5-litre Repco V8
Repco is an Australian automotive engineering/retailer company. Its name is an abbreviation of Replacement Parts Company and was for many years known for reconditioning engines and for specialized manufacturing, for which they gained a high r ...
engine.[
]
Rennmax BN6 (Formula 2)
The Rennmax BN6 was a one off prototype of the BN7 Australian Formula 2
Australian Formula 2, sometimes abbreviated to AF2 or ANF2, is a "wings and slicks" formula racing category in Australia. The category is one of Australia's oldest, dating back to 1964. The current format of AF2 was introduced in 1978. Brian Shea ...
car of 1974.[ The BN6 designation has also been applied to the 1970-71 Rennmax sports racing car. (see Rennmax BN6 (Sports racing car) above).
]
Rennmax BN7
The Rennmax BN7 was an Australian Formula 2
Australian Formula 2, sometimes abbreviated to AF2 or ANF2, is a "wings and slicks" formula racing category in Australia. The category is one of Australia's oldest, dating back to 1964. The current format of AF2 was introduced in 1978. Brian Shea ...
car of 1974, four of which were built.[
]
Rennmax Vee (2nd series)
A second Formula Vee design was released in 1975.[ Fourteen examples were built.Formula Vee: Rennmax Engineering, Australia]
Retrieved 5 August 2010
References
Australian racecar constructors