Re­nault en­gines suf­fer al­ti­tude sick­ness

Autosport (UK) - - MEXICAN GRAND PRIX STORIES OF THE RACE/F1 -

RE­NAULT AD­MIT­TED ITS PREPA­RA­TIONS for the al­ti­tude of the Mex­i­can Grand Prix were not ad­e­quate af­ter suf­fer­ing a litany of fail­ures – de­spite Max Ver­stap­pen’s vic­tory.

Toro Rosso’s Pierre Gasly suf­fered a turbo prob­lem on Fri­day, then an en­gine fail­ure on Satur­day that kept him out of qual­i­fy­ing, with team-mate Bren­don Hart­ley stop­ping in the race with an en­gine is­sue. Re­nault pair­ing

Nico Hulken­berg and Car­los Sainz Jr both re­tired from the race with power unit prob­lems, while Daniel Ric­cia­rdo stopped with a turbo fail­ure.

The air den­sity in Mex­ico City is ap­prox­i­mately 23% lower than at sea level, putting ex­tra de­mands both on the en­gine and the tur­bocharger, and re­duc­ing cool­ing po­ten­tial.

“We’ve made an er­ror of judge­ment in our prepa­ra­tion in the way we have been try­ing to bal­ance per­for­mance ver­sus re­li­a­bil­ity,”said Re­nault’s Cyril Abite­boul.

“It’s clear when you look at the pace of the car around the week­end, lots of teams have come here tak­ing the right ap­proach when it comes to deal­ing with en­gine pa­ram­e­ters and chas­sis pa­ram­e­ters.

“We’re ex­tremely com­pet­i­tive. The flip­side is that we weren’t ca­pa­ble of be­ing at the right level of re­li­a­bil­ity for that level of per­for­mance.

“At the same time, it’s a judge­ment that has al­lowed a car pow­ered by Re­nault to be on the top step of the podium.”

Gasly dogged by prob­lems all week­end

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