Racing Wheel : Thrustmaster T500RS + Shift TH8R
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The Volvo FH is a heavy truck range produced by Swedish Volvo Truck Corporation. Introduced in late 1993 as FH12 and FH16, production still continues with the now the second generation of FH range model lineup. FH stands for Forward control High entry where numbers denominate engine capacity in litres. The FH range is one of the most successful truck series ever having sold more than 400,000 units worldwide.
In September, 2012, Volvo Trucks re-launched the Volvo FH with significant technology upgrades
In late 1993 Volvo had unveiled its replacement for the legendary F cabover series in production for almost 15 years. The development of FH in what it appeared to be a clean sheet of paper design took seven long years. The development of the all-new design 12 litre engine with its overhead camshaft and electronic unit injectors technology placed Volvo among the world’s leading engine designers.
There were two models, FH12 and FH16 which shared common cabs and chassis and the FH12 immediately won “Truck of the year” award in 1994. The 16 litre engine, gearboxes and the driveline were carried over from previous generation albeit with many improvements and the host of additional features including all new Volvo engine management and its diagnostics for the D12A engine.
The cab produced at Umeå from hot dip galvanized, high tensile steel allowed for greater strength at thinner panels and box sections while reducing overall weight. The new FH cab was a logical progression from, for its days spacious but boxy F series cab to more aerodynamically efficient, with much improved ergonomics and much better seating unit while reducing overall weight of the cab by almost 30%. The cabin was extensively tested in a wind tunnel to confirm shape aerodynamics properties to reduce air-drag thus improving fuel efficiency. The cab featured more sharply raked windscreen while wedge shaped sides rounded into front panel at much wider radius corners and the rear vision mirrors were also streamlined. The cabin was subject to the toughest cab impact test where procedure involved placing a 15 tonne static weight on the roof and one tonne pendulum striking at the cab rear wall and at the windscreen pillars, at the end of which the cab doors must be able to be opened. In 1995 Volvo FH series became first heavy duty truck to be fitted with a SRS airbag to further improve passive safety
From the design angle the new D12A engine was one of the largest engine projects from Volvo Trucks since the 1950s at the time. The basic design was still based on direct injection in-line six diesel engine around 12 litres displacement but with entirely different fuel and valve systems when compared with previous Volvo engines. Built at the purpose-built facility at Skövde on a fully automated line where the bulk of the engine assembly is done by robots and the final engine dressing is carried out manually. The D12A was designed as a “world engine” to be able to meet the latest demands in high power output, low fuel consumption and lower emissions with its single OHC (overhead camshaft) design, four valves per cylinder and one centrally located electronic unit injector, integrated engine compression brake and two-piece, steel and aluminium pistons. The engine design left the door open for future upgrades in both power output and emission technologies. +++++
The Mercedes-Benz Actros is a heavy duty truck introduced by Mercedes-Benz in 1995. It is normally used for long-distance haulage, heavy duty distribution haulage and construction haulage. It is available in weights starting at 18 tonnes and is powered by a V6 or V8 cylinder diesel engine with turbocharger and intercooler. Daimler Trucks/Lorries launched the version II of the Actros in 2002, and the version III in 2007
The Mercedes Benz Actros is equipped with two types of engines. The OM 501 LA-541 and the OM 502 LA-542. The OM 501 is a 12-litre V6, and has outputs ranging from 310 HP to 460 HP. The engine management system employed by this engine is the PLD (Pumpe Leitung Duese-German abbr) which incorporates single plug-in pumps for each cylinder supplying fuel under pressure (up to 1,600 bar) to the injection valves. A control unit MR monitors all engine operating conditions via several sensors and varies the injection pressure to suit each operating condition.
The fourth version offers several engine options in either Euro-5 or Euro-6 compliant models, with various power output.
The second Actros generation comes with an electronic sequential gearbox that Mercedes-Benz has dubbed the “Telligent Gearbox”. It pushes forward the principle used in some earlier Mercedes-Benz tractors; using the gearshift lever to command a pneumatically actuated system that changes the gears. The Telligent gearbox utilizes a computer, together with a load-sensing system on the fifth-wheel coupling, to estimate the proper gear that the truck must be in. For example, if you want to upshift, the computer estimates the load on the tractor and the current engine mode, and gives you the proper gear for decreasing engine RPM. On the other hand, if you want to downshift, the computer assumes you wish to overtake, and gives you a proper gear for acceleration.
There’s an automatic version which works like the Tiptronic system found in Mercedes-Benz cars.
The fourth-version launched in 2011 offers exclusively the 12-speed powershift transmission.