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RHEINMETALL PRESENTS THE HX3
Friday, May 7, 2021
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HX 10x10 could be used for artillery solutions

.Source: Rheinmetall


HX 10x10 could be used for artillery solutions

Source: Rheinmetall


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DÜSSELDORF, Germany -- Rheinmetall has just unveiled the HX3, the latest generation of its globally tried-and-tested HX family of heavy-duty trucks. Completely redesigned, this future-proof military truck addresses contemporary military and automotive megatrends by drawing on innovative new technologies. Among other things, users can expect better protection, improved mobility, enhanced driving comfort as well as a digital interface architecture for greater operational flexibility and future performance upgrades. At the same time, the valued core strengths of the HX2 and the family concept are retained.

Like its predecessors, the vehicles of the new HX3 generation are military-off-the -shelf (MOTS) products, uncompromisingly designed for military use under the most grueling operating conditions - a unique selling point in the sector. In addition to the robust chassis and powerful engine, a new active rear axle suspension is available as an option, which significantly improves the vehicle’s performance both on and off-road.

More than ever before, the new HX3 generation embodies a platform concept designed for logistic operations and tactical scenarios alike. Thus, the HX3 will be available in 4x4, 6x6, 8x8 and 10x10 versions - and characterized by even greater variant and system diversity. New systems such as the fully Automated Load Handling System (ALHS) and Universal Torsion-Resistant Subframe (UTRS) will further facilitate its classic logistics role. Yet the HX3 is also better able than ever to serve as a systems carrier for complex weapon and radar systems. These include truck-based artillery systems, for example, which are likely to gain importance in coming years. In combination with the newly developed Artillery Truck Interface (ATI), the HX 10x10 could be utilized in the future as the standard basis for various artillery solutions or similar systems.

Owing to its completely redesigned cab, the HX3 delivers even greater ease of operation and crew protection. Various assistance systems assure enhanced safety in everyday operations, whether for soldiers deployed in the field or civilian settings. Coupled with assistance systems such as the Emergency Brake Assist (EBA), Adaptive Cruise Control (ACC) and Lane Departure Warning (LDW), a new electronic and electric architecture guarantees the vehicle’s future viability - particularly concerning autonomous driving. Thanks to standardized interfaces, it will also be possible to integrate technologies that become available in the future, such as truck platooning and other automated applications.

As an option, HX3 trucks can be equipped with an armored cab, whose protection level can be modularly augmented. Furthermore, in addition to conventional camouflage, the new generation of vehicles feature a digital stealth mode: if necessary, all data transmission and receiver functions can be switched off to reduce the vehicle’s digital signature. As an active self-defense measure, the reinforced roof offers space for weapon stations with heavy weaponry. As a further option, additional active and passive protection systems are available, including Rheinmetall’s ROSY Rapid Obscuring System and the very short-range ADS Active Defence System.

Due to a systematically applied identical components concept and extensive functional commonality between different models, administering and operating the fleet of vehicles becomes simpler and more efficient. Strict adherence to a policy of component and functional unity facilitates maintenance, logistics and training, while a global service network guarantees fast resupply and support throughout long service life. Moreover, with over 15,000 vehicles in operation worldwide, a high degree of compatibility with previous HX generations only reinforces this. The global presence of RMMV vehicles brings major advantages when it comes to interoperability and logistics, especially during multinational operations. Among others, the circle of international HX user nations now includes Germany, Great Britain, Australia, New Zealand and Austria. Norway and Sweden have also placed substantial truck orders with Rheinmetall.

Source:  Rheinmetall
Associated URL: rheinmetall.com

 
BASIC STRUCTURE OF METOP-SG 1B ASSEMBLED
Thursday, May 6, 2021
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MetOp-SG 1B

.Source: RUAG Group


MetOp-SG 1B

Source: RUAG Group


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ZURICH, Switzerland -- Six meters high, weighing 1000 kilograms and assembled from over 24,000 parts: These are the dimensions of the second generation of European weather satellites, which in the future will collect weather data some 800 kilometers above us. The basic structure of the second flight model was assembled in RUAG Space's clean rooms in Zurich and is now being delivered to customers by special 31-meter transport. There it will be fitted with various measuring instruments. The launch of the satellite, named MetOp-SG 1B, is planned for 2025.

RUAG Space is the leading European supplier of lightweight structures that are essential for building satellites. Now RUAG Space is supplying the second of six flight models for the second generation of weather satellites (Second Generation; Meteorological Operational Satellite), which provide weather images and films for weather forecasts day after day. The new generation of weather satellites is designed to make weather forecasting even more accurate and to better predict extreme weather situations.

Six meters high and 1,000 kilograms "light"

The six-meter high and 1,000-kilogram "light" basic structure was developed by RUAG Space in Zurich and assembled from over 24,000 parts. These not only have to withstand hard loads during launch, but are also exposed to extreme temperatures and temperature fluctuations as well as vacuum conditions in space. But the structures also have to be as light as possible to save fuel. The structures owe their lightness to their construction as a "sandwich" with a core of aluminum honeycomb bonded to cover layers of carbon-fiber-reinforced plastic.

Launch of satellite planned for 2025

Early morning of May 6, the second out of six airworthy basic structures was delivered by special transport to the customer Airbus Defence & Space in Friedrichshafen. It is well protected in the process: The air-conditioned container weighs over 16 tonnes and protects the satellite structure from contamination and vibrations during the journey. The launch of the satellite named MetOp-SG 1B is planned for 2025.

Metop-SG is a cooperation program between the European Space Agency ESA and EUMETSAT, the European Organisation for the Exploitation of Meteorological Satellites. Members of EUMETSAT are MeteoSwiss and numerous European meteorological organizations. The main contractor for the creation of the satellites is the company Airbus Defence & Space.

Source:  RUAG
Associated URL: ruag.com

 
ARMY RESEARCHERS MAKE STEP TOWARD LIGHTER ARMOR
Thursday, May 6, 2021
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NGCV will replace M2A3 Bradley (shown)

.Source: US Army


NGCV will replace M2A3 Bradley (shown)

Source: US Army


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ADELPHI, Md. -- Army researchers contributed to the development of lighter armored vehicles for Soldiers with new computational and theoretical models.

According to Army researcher Dr. Benjamin Szajewski, the objective of this research is to improve understanding of the strengthening mechanisms in metal alloys.

Alloys are used in the formation of Soldier and vehicle applications. By improving material strength, less material is required to withstand a given load. In structural applications, less material equates to lighter weight.

The journal Modelling and Simulation in Materials Science and Engineering recently featured this research.

In engineering alloys, microscopic defects created in the alloying process contribute to material strength, Szajewski said. On the microscopic level, material failure occurs through the collective motion of crystalline line defects known as dislocations. At the same microscopic level, on the other hand, obstacles act to block the motion of dislocations. Under stress and loading, the competition between these two mechanisms (dislocation glide and dislocation-obstacle interactions) sets the material yield strength. By preventing dislocation motion, obstacles increase material strength.

"Dislocation-obstacle interactions are an effective strengthening mechanism in metallic alloys," Szajewski said. "Due to this desirable characteristic, dislocation-obstacle interactions have been a focal point of study for decades."

Previous efforts, as a whole, are not unified and do not extrapolate well beyond the scope of their individual study.

In this research effort, Szajewski and team have pursued an enhanced quantitative understanding of relationships between physical features of obstacles (e.g., size, shape, elastic mismatch) and strengthening within metallic alloy systems.

The scope of this research has included computer simulations and theoretical modeling efforts, he said. The computer simulations have been conducted using a multiscale simulation methodology, much of which has been developed at the U.S. Army Combat Capabilities Development Command, known as DEVCOM, Army Research Laboratory. The theoretical modeling efforts are built upon the researchers’ understanding of mechanics and statistics of materials.

"The outcome of these efforts is an improved understanding of strengthening mechanisms in metal alloys," Szajewski said. "The main results relate alloy strength to collective interactions between microscopic crystalline defects known as dislocations and additional obstacle-type defects. The physical modeling conducted in these works does not rely on fitting parameters and moreover is based on an understanding of the underlying physical process. In addition, the developed physical models unify many of the results presented in earlier works found in the literature."

The significance of this research comes down to three unique outcomes:

-- The team derived a physical model that predicts material failure -- The model is novel in that it relates microscopic obstacle features such as size and shape to macroscopic material performance -- Modeling efforts by the team do not include fitting parameters and also provide unity among earlier similar research efforts

Moving forward, efforts are being invested into additional simulations and theoretical statistical modeling of the influence of random spatial distributions of obstacles on material strength.

"I am optimistic that the results of this research will contribute to our scientific understanding of this strengthening mechanism in metallic alloys," Szajewski said. "Since metallic alloys have a long-standing role in numerous engineering applications, including armor, improving our understanding of material strength may lead to improved metallic alloy development for various Soldier and vehicle applications."

Source:  US Army
Associated URL: Click here to visit

 

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