RACE ENGINE TECHNOLOGY 146 April/May 2023

• Intro: The Editor - NASCAR is caught in a dilemma over attracting more manufacturers to its Cup series, but it might yet have some surprises up its sleeve in that respect
• Upfront - We canvass some expert views on the current state of NASCAR Cup technology in the wake of last year’s introduction of the ‘Next Gen’ car
• Grid: In the news - Chevrolet launches its “biggest, baddest” COPO engine ever, Toyota’s Corolla H2 Concept suffers a hydrogen fire during testing, Airspeeder race series announces crewed electric flying vehicle, Honda upgrades its Formula One engine, and more
• Dossier: Init Racing Ilmor 265A - Ian Bamsey revisits the ‘Chevrolet Indy V8’ he researched in 1988 to discover how Init Racing has brought a brace of them back to life
• Focus: Battery cells - Matt Grant takes us through the structure, manufacturing and assembly of lithium-ion cells
• Challenge of: EV transmissions - The need for only one or two speed reduction stages in electric racecar gearboxes creates its own issues, writes Wayne Ward
• Show report: Autosport International 2023 - Gemma Hatton shares highlights of the return of ASI, and finds that new suppliers are enjoying success after the Covid lockdown
• e-Race: World Solar Challenge - Wayne Ward reports on this series of events where the aim is to capture and use solar power as efficiently as possible
• Focus: Fluid pumps - Matt Grant talks to experts about the key design aspects of fluid pumps, and explores a growing trend in them – electrification
• PS: Sustainable historic racing? - John Coxon considers how to keep historic vehicles racing in these eco-conscious times without them losing their inimitable on-track sound and feel