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Composing: frei-stil Newsline Oerlikon Contraves GmbH: Go-ahead for further tests Corect project enters second project phase Stockach/Koblenz. Oerlikon Contraves GmbH (OCD) of Stockach was recently given the go-ahead by the German contracting authorities BWB to continue developing a demonstrator version of the Corect trajectory correction system for MLRS rockets. This second project phase which will be completed by the end of 2006 will be used to demonstrate the mode of operation of the entire system and the functional sequence for type M26 MLRS rockets (better known under the name of MARS in Germany). As outlined in an earlier article (see Newsline 1/2005), Corect (Contraves Rheinmetall Enhanced Correction of Trajectories) is a joint development of OCD as the prime contractor and Rhein- Corect – a GPS-based rocket guidance. metall Waffe Munition GmbH (RWM/ Ratingen). Corect is a module for GPSsupported trajectory correction of artillery rockets (see also article “Hit accuracy”). OCD boss Helmut Burckhardt on the BWB’s decision that will also impact positively on the future of the Stockach-based business: “The second phase of the contract covering three measurement campaigns will serve as a basis for the envisaged upgrade of the MLRS/Mars-M26 artillery rockets of the German army. Our Corect system will prove that existing rockets can be upgraded in order to extend their shelf and service life. Tests in this second contract phase will also demonstrate that our trajectory correction module meets the requirements for enhanced hit accuracy and higher maximum range.” Another important benefit: If the bomblet ammunition currently used in the M-26 artillery rockets is replaced by another type of ammunition or warhead variant, Corect will nonetheless warrant enhanced precision both in terms of range and hit accuracy. In the second test phase which will run until the end of next year a total of four special test rockets – plus a so-called measurement rocket – will be loaded to demonstrate Corect functions, and then subjected to firing tests at the test range in Meppen, Germany. OCD experts will be looking very critically at the correction potential and system precision during these tests. Added to this, the measured data from the flight tests will be used to update the simulation program for range computations. Burckhardt: “Another task will be to determine the time and budget price for series-productionization and actual series production at a later stage.” Corect is an important milestone for Oerlikon Contraves GmbH with its 120 employees and annual sales (2004) of € 38 million. In the words of Burckhardt: “If this ambitious project materializes – as planned – this will naturally mean that jobs and capacities in certain parts of the company will be secured both during the development phase and (later) series production of the system.” Concrete measures for preparing series production should get under way in 2007, to be followed by actual series-production, then under the leadership of RWM. A brief look at existing stocks shows just how promising the Corect project of the two defence specialists Oerlikon Contraves GmbH and Rheinmetall Waffe Munition GmbH is. European NATO countries alone have 100,000 M26 rockets, all of which will ultimately have to be upgraded or have their service life extended. Even if the actual upgrade requirement is difficult to quantify at the present time, Helmut Burckhardt is convinced of the following: “Corect, the satellite-based module system for correcting artillery rocket trajectories, is unrivaled in the world and has met all the expectations of experts so far.” 2 Stockach. Corect is a module for satellite-based trajectory correction of artillery rockets. The advanced system will enhance the hit accuracy and maximum range of MLRS (Multiple Launch Rocket System) rockets of the type M26 (with bomblet warhead) and AT-2 (with mine dispersers) used by the German armed forces. At the same time, the introduction of the advanced Corect module which will be available as an integrated solution or as an add-on variant will also make it possible to increase the shelf life of these rockets generally known as MARS in Germany. Modern-day demands on the rocket artillery call for the use of trajectory correction systems – and this is exactly what the Corect module does. The integrated GPS receiver for satellite-based navigation allows an accurate measurement of the current position of the MLRS rocket. Simultaneously, a Hit accuracy magnetic field sensor determines the related roll attitude by measurement of the earth’s magnetic field. Based on this information, an on-board processor computes the deviation of the rocket from the reference trajectory and then triggers the necessary correction pulses in longitudinal and lateral direction by activation of the micro-reaction thrusters at the appropriate point in time. This process allows target accuracies of distinctly less than 50 m deviation from the desired hit point – compared to present-day miss distances of sometimes more than several hundred meters this is an enormous improvement. Newsline is a summary of the most important news articles published in “Das Profil”, the company newspaper of the Rheinmetall group Publisher: Rheinmetall AG P.O. Box 10 42 61, D-40033 Düsseldorf newsline@rheinmetall-ag.com Responsible: Peter Rücker Editor-in-chief: Rolf D. Schneider Issue: November/December 2005
Newsline Appealing IAA exhibits with lots of system detail: Visitors – including Rheinmetall AG boss Klaus Eberhardt (center picture, left) shown here being briefed by Rainer Fluhr (head of KS Kolbenschmidt GmbH) – took it in turns to examine the exhibits on show at Kolbenschmidt Pierburg’s futuristic stand in hall 8 at the 61st International Motor Show IAA in Frankfurt am Main. Kolbenschmidt Pierburg at the IAA 2005 Ongoing dialog with important customers Frankfurt/Main. A market for models, makes and opinions, and a communication platform: the International Motor Show IAA in Frankfurt am Main is not only an important trade fair allowing automakers to show off their latest innovations and inventions but also a barometer for the economy and general mood of the motor industry. Given its significance and this background, the 61st IAA – which was visited by a total of 940,000 visitors from 99 different countries – is rated as a promising catalyst for a good start into the last quarter of the year 2005. Kolbenschmidt Pierburg can look back at the IAA 2005 with considerable satisfaction. In the words of Dr. Gerd Kleinert, CEO of Kolbenschmidt Pierburg AG: “This was one of the best motor shows we ever had. Largely because the stand attracted a lot of visitors and the new exhibition concept clearly found favor with customers. The motor show also underlined that our expertise in the field of pollution reduction and fuel savings has made us a key player for our customers where future activities are concerned.” The CEOs of the four divisions of the Kolbenschmidt Pierburg group all came to similar conclusions. Pierburg boss Dr. Hans-Joachim Esch was really impressed by the concept of the IAA stand which he thought was “simply fantastic”. Like his colleagues Rainer Fluhr, chairman of the management board of KS Kolbenschmidt GmbH, Horst Binnig, chairman of the executive board of KS Aluminium Technologie AG and Dr. Peter Spahn, chairman of KS Gleitlager, Esch drew attention to the many good and high-quality visitors to the exhibition stand in hall 8 during the IAA. “They have underscored the interest in our development projects and our products.” A study for a diesel engine fulfilling the stringent EU-5 emission control requirements met with particular interest. The demonstrator engine incorpo- rated all the components with which the automotive companies will satisfy the stringent EU exhaust gas rules. The many visitors to the stand with its two oversized pistons obviously posed quite a challenge to the team hosting the stand. Yet despite the exhausting and sometimes turbulent hours on the stand, Sandra Conrads, sales person responsible for the BMW group at Pierburg, was nonetheless positive about the motor show in Frankfurt. “It was really good to be able to welcome so many visitors and representatives of the press to our stand. The teamwork at the reception was excellent. The leaflets and informatory material were just what was needed to satisfy the interests of our visitors. Actually, it was great fun to have been there.” (See pages 9+10.) 3 Frankfurt. The demonstrator (diesel) engine exhibited at the IAA 2005 containingcomponents, systems and modules developed and manufactured by members of the Kolbenschmidt Pierburg group gave visitors a practical insight into the capabilities of the Rheinmetall automotive group. The chief attraction here was that the engine spotlighted Kolbenschmidt Pierburg’s contribution toward compliance with the stringent EU 5 exhaust gas emission regulations. Besides components already introduced on the market – for example an electromotive exhaust gas recirculation valve, an electrical throttle valve control, a charge air Demonstrator was main attraction cooler or an electrical coolant pump – the demonstrator engine also incorporates future technologies like a low-pressure exhaust gas recirculation valve that – by design measures as well as by removing the exhaust gas before it reaches the turbine and re-entry after the compressor – allows a significant increase in exhaust gas return flow at lower temperatures, thus reducing nitrogen oxide emissions even further. Besides the aluminum die-cast engine block, an integrated intake manifold with charge movement flaps and electrical actuator were on display. Not to mention the pistons and plain bearings as well as Permaglide dry bearings made by Kolbenschmidt Pierburg. Photos (3): Kornelia Danetzki
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