Alpine has unveiled the Alpenglow Hy6, featuring the company’s first hydrogen-powered 6-cylinder engine, at the 2024 Paris Motor Show. This advanced iteration of the hydrogen concept, first introduced in 2022, showcases significant improvements in power and performance.

Key Features of Alpine Alpenglow Hy6

The Alpenglow Hy6 represents a major advancement in hydrogen engine technology, doubling the power output of its predecessor. Key specifications include:

  • 740 bhp twin-turbocharged V6 engine (up from 340 bhp)
  • Maximum speed exceeding 330 km/h
  • 3.5-liter displacement with 544 kW output
  • 9,000 rpm maximum engine speed
  • Innovative hydrogen combustion system

Technical Innovations in Hydrogen Engine Design

The new Hy6 V6 engine, developed entirely by Alpine, incorporates several groundbreaking features:

  • 100° V6 configuration with twin turbochargers
  • Aluminum engine block with dry sump
  • Four chain-driven overhead camshafts
  • Direct hydrogen injection with indirect water injection
  • Specialized combustion chamber design for hydrogen fuel

Advanced Safety Features

The Alpenglow Hy6 implements comprehensive safety measures for hydrogen storage and operation:

  • Three 700-bar composite tanks (2.1 kg each)
  • Regulation 134-certified hydrogen cylinders
  • Emergency fuel evacuation system
  • Continuous hydrogen monitoring
  • Color-coded incident alert system

Design Evolution

The Alpenglow Hy6 features significant design improvements:

Exterior Updates

  • Transparent engine case display
  • Enhanced aerodynamic elements
  • Redesigned rear wing with side blades
  • Integrated Inconel exhaust system
  • Custom Michelin tires with matching wheel design

Interior Features

  • Elytra-style door system
  • Light-reactive upholstery
  • Interactive dashboard display
  • Carbon fiber and aluminum construction
  • Integrated action camera mounts

Future Applications in Motorsport

Alpine’s hydrogen combustion technology presents promising opportunities for motorsport applications:

  • Potential participation in 2028 24 Hours of Le Mans
  • Research into liquid hydrogen storage solutions
  • Compatible with existing racing frameworks
  • Enhanced power output for competitive racing
  • Reduced cooling requirements compared to alternatives

Technical Specifications

  • Width: 2.10 m
  • Length: 5.20 m
  • Height: 1.14 m
  • Maximum power: 740 bhp (544 kW) at 7,600 rpm
  • Maximum torque: 770 Nm at 5,000 rpm
  • Transmission: 6-speed sequential, rear-wheel drive

Environmental Impact

The Alpenglow Hy6 demonstrates Alpine’s commitment to sustainable performance vehicles:

  • Zero-carbon emission potential
  • Water vapor as primary exhaust output
  • Sustainable racing technology
  • Reduced environmental impact without compromising performance

This evolution of the Alpenglow concept showcases Alpine’s innovative approach to combining high-performance capabilities with environmental consciousness, positioning the company at the forefront of sustainable motorsport technology.

Did You know? Airbus ZEROe: Pioneering Hydrogen-Powered Commercial Aircraft

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