[杂谈] 现代逆天 IONIQ引擎热效率40%

The IONIQ packs a dedicated 1.6-liter Atkinson-cycle engine which Hyundai claims has a thermal efficiency of 40 percent thanks to its long stroke, the improved cooling with a split cylinder head and block, plus the direct injection working at 2,900 psi (200 bar) through a six-hole injector.

The new gas engine delivers 105 horsepower and 108 foot pounds of torque, while the permanent magnetic electric motor is a 43.5 horsepower unit sending 125 pound-feet of torque to the wheels from zero rpm.

All that goes through a six-speed dual clutch transmission, also designed to be as efficient in a hybrid drivetrain as a gearbox can be.

Here’s the numbers buyers will care about most: fuel economy. While official figures aren’t out yet, a leaked brochure at Hyundai Blog reports the skinny-tire model will get up to 53 MPG in the U.S. Official EPA-certified figures should be coming later.

[ 本帖最后由 toshiya115 于 2016-1-12 10:24 编辑 ]

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