The Alpine Alpenglow concept now features a 740bhp 3.5-litre V6 engine powered by hydrogen, showcasing Alpine's push for cleaner technology. Built on a lightweight LMP3 carbon chassis for improved performance, it offers a balance of speed and efficiency. The hydrogen tanks are placed in the sidepods and behind the passenger cell, complying with strict European safety standards. Power is delivered to the rear wheels through a six-speed sequential gearbox, ensuring smooth control and precise handling, making the Alpenglow a glimpse into the future of sustainable high-performance vehicles.
VP Alpine Motorsports Bruno Famin said: 'With the development of this brand new Hy6 V6 engine, we are demonstrating our commitment to hydrogen research, which could herald motorsport applications with high-performance levels. A solution for continuing to cultivate the passion for motor racing using a very noble V6 with remarkable specific power and a sound to thrill drivers and spectators with its maximum revs at 9,000 rpm. The Alpenglow Hy6 concept is the perfect example of what is possible to achieve the essential step of reducing carbon emissions in motorsport.'
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Alpine Alpenglow Hy6 Hydrogen-Powered Concept: Details
While the Alpine Alpenglow Hy6 looks similar to the earlier Hy4, it has some notable design upgrades. The most eye-catching change is the transparent wing, which shows off the engine. The bridge connecting the rear wing is gone, and the exhaust now exits through the rear lights. A larger shark fin has been added, improving aerodynamics instead of just being for style.
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The Hy6 features a 3.5-liter V6 engine with twin turbochargers, set at a 100 degree angle. It has a solid aluminum block and dry sump lubrication for better performance in tough racing conditions. The crankshaft has 20 degree offset crankpins for smoother operation. The cast aluminum cylinder heads are optimized for cooling, with four chain-driven camshafts and four valves per cylinder for precise control. Its "super-square" design, with a 95mm bore and 82.3mm stroke, makes it ideal for high-revving. The specially tuned Inconel exhaust lets the engine rev up to 9,000 rpm.
The engine produces 740bhp at 7,600 rpm, with a specific power of 211bhp per litre, pushing the car to speeds over 330 km/h. A centrifugal clutch and Xtrac sequential gearbox boost its performance. Though designed for racing, Alpine is considering adapting this technology for mass production.
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