
Race Engine Technology - Issue 159
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Highlights in this issue include a dossier on the Aardema V12, upfront covers KOH powertrains discovering that success in the brutal King of the Hammers off-road race demands a powertrain with ample bottom-end grunt and relentless durability. We dive into Radial Motion’s radial triple turbo and we have an insight into crankshaft oiling, as well as an obituary paying tribute to Ed Pink. Our focus articles cover fluid pumps, component and material testing and expo highlights powertrains plus much more…
RACE ENGINE TECHNOLOGY 159 June/July 2025
- Intro: The editor - Ian Bamsey channels the spirit of the American hero to discover what powers Aardema and Braun to attempt land speed records
- Upfront: KOH powertrains - Mike Magda discovers that success in the brutal King of the Hammers off-road race demands a powertrain with ample bottom-end grunt and relentless durability
- Dossier: Aardema V12 - Pete Aardema and Kevin Braun tell all to Mike Magda about the design and build of their two V12 engines
- Focus: Component and material testing - Matt Grant delves into the pressurised field of component and material testing for competitive racecar engines
- Obituary: Ed Pink - We pay tribute to Ed Pink, the giant of the race engine industry who made his mark over two thirds of a century
- Insight: Crankshaft oiling - Hiroshi Yajima discusses the finer points of past methods of low-pressure crankshaft bearing oil supply with Ian Bamsey
- Focus: Fluid pumps - Matt Grant gets to the heart of the fluid pumps used to ensure optimum performance and durability of racecar powertrains
- Expo: Powertrains - Innovation in products and services is geared toward extracting the maximum possible from motorsport powertrains. Andrew Noakes looks at some of the latest developments
- Insight: Radial Motion’s radial triple turbo - Engine innovators Radial Motion in Australia have developed a fascinating radial triple turbo. Ian Bamsey has a full report
- PS: Motorcycle e-superchargers - Honda is taking another look at electrically driven superchargers for motorcycles and we find out what they’re thinking