RACE ENGINE TECHNOLOGY 156 December/January 2025

• Intro: The editor - With Formula E having the exclusive on all-electric, Ian Bamsey considers how a future Formula One hybrid might evolve
• Upfront: Formula One - RET talks to Hywel Thomas, head of Mercedes AMG High Performance Powertrains about the present and the future of Formula One power units
• Upfront: Grid - As the 2024 season drew to a close McLaren and Ferrari fought for the World Constructors’ Championship and for the accolade of ultimate hypercar, each fielding a brand new internal combustion engine
• Dossier: Buell Gen Two - RET’s Anne Proffit looks over seven years of fascinating development of the awesome, naturally aspirated, 10,500 rpm, 160 in3 Buell Vee Twin
• Focus: CNC hardware & software - Matt Grant takes a look at CNC machining and the use of CAD, CAM and other tools to create increasingly complex race engine parts
• eRace: Alpine Alpenglow Hy6 - Alpine is developing hydrogen powertrains for racing cars, and it says hydrogen combustion has significant advantages, as Andrew Noakes finds out
• RED: Motrac sidecar engine - Matt Grant reports on a firm using 600 cc engines derived from roadgoing motorcycles to win the Formula Two sidecar category at the Isle of Man TT
• Focus: Valves - How do valves withstand extreme temperatures, acceleration and impact loads? Matt Grant reports
• Expo: Engineering the future - Andrew Noakes highlights some exciting products and services of interest to motorsport professionals
• PS: Traditional engine - component manufacturers With all-electric alternatives rushing in, we consider what future there is for the internal combustion engine component maker