Oct 2012 Compendium 1 - Armada

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Lockheed Martin is proposing its JLTV solution also for the British MRV-P programme. In the US the LM team remained unchanged although the vehicle has been considerably revised. (Lockheed Martin) Alcoa Defense (weight-saving aluminium components) and JWF Defense. As we know, the original JLTV proposal had to be readjusted due to requirement changes, but it had acquired quite a bit of experience, including over 257,000 km of on-road testing. Improvements over the previous models regarded reliability, endurance, and weight saving especially, something that Lockheed Martin places amongst the most important features. Actually, for the firm the JLTV is not a mere truck, but a complete system that includes training, simulation and life cycle maintenance. The company regards this experience as a plus in the proposal phase. Lockheed Martin is also offering its solution to the British Army MRV-P (Multi Role Vehicle – Protected) currently in the concept phase. Although some roles might be fulfilled by vehicles already in service or on order under UORs, Lockheed Martin considers that there is still a requirement for further protected utility vehicles. The company is convinced that the new JLTV price would fit the British programme scheme to the extent of actually taking an Americanstandard JLTV to Britain. BAE ANd NORTHROp GRUMMAN: BAE Systems maintained its Valanx proposal, although the vehicle was the subject of major modifications to enable it to cope with the new requirements. Another major change was the addition of 04 armada <strong>Compendium</strong> Light Armoured Vehicles <strong>2012</strong> Northrop Grumman to the team, which initially included only Meritor Defense, responsible for the suspensions. Northrop Grumman will be responsible for the integration of command and control hardware and software, computers and communications equipment. The first major change took place in the propulsion system, the earlier 340 hp Cummins 6.0L V8 diesel having been replaced by a Ford 6.7-litre turbocharged Power Stroke diesel kicking an estimated 400 hp. BAE Systems carried out a comprehensive redesign work to lower the weight to the new limits imposed by the services, keeping a margin to allow for various equipment additions. As for mobility, the new Valanx should retain the ProTec Series 30 High Mobility independent suspensions developed by Meritor Defense, which feature a double control arm with airbag semi-active dampers providing adjustable 178 to 610mm ground clearance. NAVISTAR: This company proposed a variant of its Saratoga. The base vehicle has a gross vehicle weight slightly lower than 10 tonnes with a payload capacity that exceeds JLTV requirements as it can carry 7,200 pounds (3,265 kg) with a crew of four plus the gunner. The vehicle is powered by a MaxxForce D6.0 V8 turbo inter-cooler squashing 325 hp out to a six-speed automatic transmission endowed with a two-speed transfer case. The vehicle has fully independent air spring suspensions with variable ride height control to allow overall height to be reduced from the operational 2.97 metres to 1.93 for air transport (the vehicle is 10.36 metres long and 2.59 metres wide). According to company sources the baseline Saratoga fulfils 85 per cent of the JLTV requirements. The remaining 15 per cent are obtained through minor design changes that alter the weight, and the adoption of a digital architecture meeting the American programme requirements. OSHkOSH: This is one of the companies that did not receive a JLTV Technology and Development contract in 2008. The L-ATV (for Light combat tactical All Terrain Vehicle) developed at the time to meet American requirement, leverages Selected for the first phase of the JLTV bid, BAE Systems has further developed its Valanx to cope with the new requirements set by the US military. BAE systems
experience garnered by the company with its M-ATV (the Mrap-All Terrain vehicle that represented the evolution of the Mrap concept when mobility concerns started to emerge). The Oshkosh solution is based on a lighter vehicle equipped with the TAK-4 independent suspensions. That solution is further enhanced on the latest evolution of the L-ATV (which makes it Generation Six) thanks to the adoption TOTAL SOL SOLUTIONS UTIONS IT’S IN OUR R DNA of the Oshkosh TAK-4i intelligent independent suspension system that provides a 508 mm wheel travel and thereby improved off-road mobility. The underbelly is free of major components such as transmission or transfer case that might become a threat in case of explosion and makes much use of the evolving protection kits adopted on M-ATVs to provide Mrap- www.iai.co.il/ramta mktg@iai.co.il The Navistar proposal for the JLTV competition is heavily based on the company’s Saratoga, which according to Navistar fulfils 85 per cent of the JLYV requirements. (Navistar) level protection to the crew. Although current requirements do not include a hybrid propulsion system, Oshkosh developed the ProPulse diesel-electric powertrain that allows it to churn out 70 kW of “exportable power”. The L-ATV was developed in six phases with first prototypes dealing with advanced independent suspensions and crew capsule development, a secondgeneration adding TAK-4i suspensions and a third-generation (taking part in the 2010 edition of the Baja 1000 and completing it) putting the ProPulse system to test. The 4th generation prototype featured an advanced crew protection system and was used in resistance tests. The fifth adopted a modular design for easy adoption of emerging technologies and threat mitigation systems while the sixth generation is the one currently proposed for the JLTV programme with over 40,000 km of experience in the wheels. RAM MK3: geared up for every mission IAI-RAMTA’s RAM MK3. All-in-one light armored vehicle for combat, reconnaissance and patrol missions. • Agile, multi-mission rough terrain maneuverability • Outfitted and armored to customer requirements • Accommodates up to eight fully-equipped personnel • Dependable, low life cycle support cost
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Page 21 and 22: Photo credits: Aspheri, R. A. Cleve
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Page 25 and 26: the engine and gearbox and a rear s
Page 27 and 28: NEW PRODUCT. ADVANCED ISR OPTIC CAP

Oct 2012 Compendium 1 - Armada

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