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Husqvarna Motorcycles Off-Road ABS Technology Day. Presentation of a development showcase with off-road ABS.
03.11.2011 Press Release
Husqvarna Motorcycles – 108-year tradition with 82 world championship titles. There is hardly any other motorcycle brand able to boast a 108-year tradition of motorcycle production and racing like that of Husqvarna. The first Husqvarna motorcycles were built in 1903, with victory coming just 13 years later in 1916 at one of best known enduro races of the time, the Novemberkåsan. This laid the foundation for a success story which remains unparalleled to this day.
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Husqvarna Motorcycles – 108-year tradition with 82 world championship titles.
There is hardly any other motorcycle brand able to boast a 108-year tradition of motorcycle production and racing like that of Husqvarna. The first Husqvarna motorcycles were built in 1903, with victory coming just 13 years later in 1916 at one of best known enduro races of the time, the Novemberkåsan. This laid the foundation for a success story which remains unparalleled to this day.
While the thirties also saw victories in road racing, too, it was after the Second World War that Husqvarna achieved a major breakthrough in off-road racing. In the early fifties, the company not only focussed on developing and manufacturing innovative, competitive and reliable motorcycles but also made a clear commitment to its involvement in the areas of motocross and enduro racing. Husqvarna won its first world championship in the class up to 250 cc in 1959, collecting the same title in the 500 cc category just two years later.
Ongoing success in racing made Husqvarna a sought-after brand with increasing sales figures not just in Europe but also in the USA. The enormous popularity of Husqvarna was enhanced by famous riders such as Mikkola, Aberg and Hallman, but there was one outstanding celebrity fan: American actor Steve McQueen. McQueen was not just an enthusiastic motorcyclist and motor racing fan, he also achieved success himself on the race track on both two and four wheels. Among other things he entered the Six Days in 1964. The title photo of the US magazine "Sports Illustrated" dated August 23rd 1971 showing a bare-topped Steve McQueen doing a jump on a Husqvarna 400 Motocross remains legendary to this day. The McQueen-Husqvarna combination eventually became the idol of a whole generation of off-road fans.
Today Husqvarna Motorcycles is able to look back over an incredible 82 world championship titles, four of which were won in the 2011 season which has just finished. Juha Salminen and Antoine Meo clinched the titles in the E1 and E2 classes of the World Enduro Championship. Husqvarna Motorcycles also won the brand championship in these classes. Winning four out of a total of six possible titles in the World Enduro Championship clearly shows that Husqvarna was the dominant brand.
In future Husqvarna Motorcycles will be extending its core expertise in the area of off-road motorcycles. With the presentation of the new Husqvarna Nuda 900/ 900 R including the first official test rides for journalists a week ago, the tradition-steeped brand celebrated an impressive and highly promising comeback.
BMW Motorrad and Husqvarna Motorcycles – a powerful partnership.
Husqvarna Motorcycles has been part of the BMW Group since October 1st 2007 and is able to rely on BMW Motorrad as a powerful partner at its side in every respect. Today there are some 260 staff working at the company headquarters in Cassinetta di Biandronno and the model range currently includes 26 motorcycles of the enduro, motocross, supermoto, minibike and road segments. What is more, Husqvarna offers an extensive range of accessories, rider equipment and merchandising.
The powerful partnership between BMW Motorrad and Husqvarna Motorcycles with its selective clustering of the strengths of each brand has meant that both can look back over a successful year in 2011. And there is much promise for future developments, too, in particular with a view to the incorporation of rider assistance systems such as ABS to increase active riding safety.
BMW Motorrad ABS – a success story for riding safety.
23 years go, BMW Motorrad was the first motorcycle manufacturer in the world to fit its machines with the anti-locking system ABS, setting a milestone in active motorcycling safety at the time. As of today over 1.2 million BMW motorcycles have come off the production line fitted with ABS. ABS can be selected as an optional extra in every current BMW model.
Initially introduced as an extra in the BMW Motorrad models of the K series such as the K 100 and K1 at a supplementary charge of DM 1,980.-, it soon blazed a trail of success in the boxer series and later in the F models.
While the first generation of BMW Motorrad ABS already offered a high level of additional safety by ensuring lateral grip on vehement straight-ahead braking manoeuvres, even on slippery surfaces or with abrupt changes in friction coefficient, BMW ABS II introduced in autumn 1993 improved the range of performance even further. At the time this marked the debut a completely new design of the traditional BMW boxer engine in the BMW R 1100 RS, which also ushered in the second innovation stage in the field of ABS. Here, the more sensitive regulatory capacity of the system was a major technological advance. A short while later, BMW ABS II was also introduced for the new BMW R 1100 GS - in a form which was specially adapted to the needs of a high-performance travel enduro and disengageable for off-road use.
Another major step forward in terms of ABS development was the BMW Integral ABS introduced in 2000, incorporated not just in the BMW Motorrad road models but shortly afterwards in the GS models, too.
It was this innovative strength that has enabled BMW Motorrad to establish itself as a trendsetter in active motorcycle safety in the course of the last two decades. Today almost all motorcyclists opt for this massive safety bonus.
Enduropark Hechlingen has had a key role to play in the development of BMW Motorrad ABS systems since 1990. It has become established as a development site for this technology and in hindsight can be regarded as the birthplace of off-road ABS.
But in the course of ABS development with a view to increasing ride safety even further, BMW has also created drive control systems such as traction slip control or most recently dynamic traction control DTC for the new BMW S 1000 RR.
Race ABS in the BMW S 1000 RR - the latest culmination of ABS development.
The high point of ABS development for motorcycles as it currently stands is the new BMW Motorrad Race ABS, developed for the supersports bike S 1000 RR. The rider can press a button to select engine characteristics including the relevant Race ABS characteristics for a range of conditions such as a wet surface ("Rain"), road ("Sport"), race track with supersports tyres ("Race") and race track with slicks ("Slick"). These are combined with the various modes and are mutually harmonised for maximum safety. In this individually adaptable rider assistance system, the rider himself selects the level of support to be provided. For example, unwanted early intervention of ABS while riding in sporty style is now a thing of the past.
The new BMW Motorrad Race ABS is a completely newly developed system which is significantly lighter than previous part integral systems. With a control unit weighing just 1.5 kg and a total weight of just 2.5 kg, it is ideally suited for use in supersports motorcycles. But in addition to weight the system especially provides even further improved regulation response.
In addition to an excellent set-up, the main reason for this is the use of a total of four pressure sensors which operate with a very sophisticated rear wheel lift detection system to distinguish even more effectively than before between a bump and a locking rear wheel. In "Race" and "Slick" modes, the rear wheel lift detection function does not interfere with the rider's desire to brake. In this way, the "Slick" mode allows particularly skilled riders to perform so-called brake drifts without having to do without the benefits of a front wheel ABS.
The high technological status of BMW Motorrad Race ABS was borne out by the recent victory of the S 1000 RR at the International German Motorcycle Championship IDM on the Salzburgring on July 3rd 2011.
The Husqvarna Motorcycles Off-Road ABS – the world's first ABS for off-road racing.
However, an ABS system designed for racing need not necessarily be limited to road bikes. For this reason, Husqvarna Motorcycles is pleased to be the first manufacturer in the world to present an ABS for off-road racing in the current flagship model, the TE 449.
BMW Motorrad first brought out an off-road ABS with lockable rear wheel in 2007. A comparable system is already in serial production in the form of the "Slick" mode of the ABS in the BMW S 1000 RR. Here, the system allows the rider to block the rear wheel for so-called brake drifts by deactivating the ABS function in the rear wheel. This is a fundamental riding dynamics function which an ABS must offer to be suitable for off-road racing purposes.
The system used in the development showcase Husqvarna TE-449 is a so-called dual channel ABS with components supplied by both the established development partner BMW Motorrad and Husqvarna Motorcycles itself. It consists of two wheel sensors and the associated pulse wheels for detecting the rotational speeds of the front and rear wheels, an ABS pressure modulator, a hydraulic system and an electronic control unit. Due to the particular dynamic requirements of off-road racing, ABS regulation occurs solely at the front wheel. The rear wheel brake is not regulated, so the rider can deliberately lock the rear wheel.
Currently, the ABS systems generally used in serial production motorcycles are only partially suitable for off-road use: their regulation specifications on surfaces such as gravel does not allow for maximum possible brake performance .
For this reason, the relevant parameters and in particular the slip thresholds in the Husqvarna Motorcycles Off-Road ABS have been adapted for improved braking performance over rough terrain. Since there is no ABS regulation of the rear wheel, the specifications for road speed and wheel acceleration were also optimised. The additional use of the rear wheel rotational speed supports the reference speed for the front wheel, making the Husqvarna Motorcycles Off-Road ABS particularly robust.
Increased braking performance off-road - reduced stress for the rider.
In practice, hobby enduro riders with sporty ambitions will especially benefit from the advantages offered by the Husqvarna Motorcycles Off-Road ABS, which weighs just 1.5 kg. In addition to the clearly superior brake performance it provides as compared to existing serial production ABS systems, it also offers significantly increased braking safety and enhanced directional stability and ride stability at comparable road speeds.
The Husqvarna Motorcycles Off-Road ABS supports the rider when braking, allowing him to concentrate fully on the track and providing enhanced braking safety in the threshold range in particular. Less stress and greater comfort are other positive effects which allow hobby enduro riders to stretch their personal limits and thereby enjoy even greater off-road fun.
The Husqvarna Motorcycles Off-Road ABS has an adapted pressure point feel integrated in the system, thereby ensuring that the rider remains in touch with the regulation status. During braking within the regulation range, the rider feels a pulse in the handbrake lever - providing clear, transparent feedback on the braking manoeuvre.
The dual channel system of the Husqvarna Motorcycles Off-Road ABS also offers considerable potential for further development. For example, it would conceivable to provide two ABS modes for off-road and on-road use, activated separately by the rider, with ABS regulation of the rear-wheel brake for travelling on the road.
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Husqvarna Motorcycles Off-Road ABS Technology Day. PDF, EN, 64.85 KB
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Journée technologique – ABS Offroad Husqvarna Motorcycles. PDF, FR, 109.69 KB
Giornata della tecnologia dell’Husqvarna Motorcycles Offroad ABS. PDF, IT, 114.83 KB
Jornada tecnológica de Husqvarna Motorcycles Offroad ABS. PDF, ES, 78.76 KB