GKN eTwin­sterX

Car India - - BULLETIN -

Evolv­ing the hy­brid pow­er­train surely seems to be a mas­sive ex­er­cise in the right di­rec­tion. GKN, who have been sup­ply­ing ad­vanced elec­tric mo­tor trans­mis­sions to Volvo, among oth­ers, have be­gun test­ing the eTwin­sterX all-in-one eDrive sys­tem. For this, they have adopted a Mercedes-AMG GLA 45, re-engi­neer­ing it to be a plug-in hy­brid with a pure elec­tric drive mode.

The eTwin­sterX, a co-ax­ial elec­tric axle sys­tem, fea­tures an in­te­grated e-mo­tor, a two-speed e-trans­mis­sion, and torque vec­tor­ing ca­pa­bil­ity us­ing GKN’s unique “Twin­ster” clutch pack tech­nol­ogy. It em­ploys a 120-kW (163-PS) down­sized e-mo­tor, de­liv­ers a max­i­mum torque of 3,500 Nm, vec­tors up to 2,000 Nm to each rear wheel, and can op­er­ate up to max­i­mum ve­hi­cle speeds of around 250 km/h.

The eTwin­sterX sys­tem also has ca­pa­bil­i­ties be­yond any present elec­tri­fied driv­e­line. It is sig­nif­i­cantly smaller than sys­tems with equiv­a­lent power out­puts, en­abling easy in­te­gra­tion into a mul­ti­tude of ve­hi­cle plat­forms, and in a va­ri­ety of lay­outs — front-, rear-, or all-wheel drive — lead­ing to a range of po­ten­tial ap­pli­ca­tions.

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