119 June/July 2019

• Intro: THE EDITOR - Electric power may be eroding the standing of the IC engine in racecars, but hold on, what’s this about a new world record for steam power? 
• Grid: IN THE NEWS - Spy shots of the 2019 Formula One power units, with an insider’s view from Mercedes’ Andy Cowell, and a fresh perspective from Dura-Bond on sintered valve seats 
• In Conversation: ROMANO ALBESIANO - Aprilia Racing’s technical director of MotoGP talks to Stewart Mitchell about the challenges of the current era
• Dossier: NOONAN NHRA PRO MOD 4.9 HEMI - Ian Bamsey investigates a rebirth of the Hemi for NHRA Pro Mod competition. Research by Stewart Mitchell and Lawrence Butcher 
• Focus: EXHAUSTS - Although additive manufacturing is transforming the design and production of exhaust systems, traditional methods will persist, as Wayne Ward explains 
• Race Engine Digest: 4PISTON SUPER 99 - Optimising a billet version of the cylinder head was key to developing this Honda I4 drag race engine. Written by Ian Bamsey, with research by Stewart Mitchell 
• Focus: TRANSIENT DYNAMOMETERS - Matt Grant explains how the different types of transient dyno can help race engines reach new levels of performance and reliability 
• Challenge Of: THE BRITISH HILLCLIMB CHAMPIONSHIP - Engine variety is the name of the game in the BHCC, as Ian Bamsey explains. With research by Stewart Mitchell 
• ELECTRIC AVENUE - VW’s strategy for breaking the electric car record around the Nurburgring with its ID.R, insights into BMW’s development of its iFE.18 for this season’s Formula E campaign, and how teams in the series manage their battery energy usage during each race 
• PS: MURRAY’S RADICAL McLAREN-HONDA - Extracts from a just-published book recounting Formula One car designer Gordon Murray’s work, and his involvement with the McLaren MP4/4