Acura NSX comes up with really cool info...

At the Society of Automotive Engineers 2015 World Congress, Acura spilled some new details about the upcoming next-generation NSX. Befitting the audience, it was all very techno-nerdy.

Perhaps somewhat surprisingly, the new NSX strays from the all-aluminum construction that was a hallmark of the original mid-engine Acura. The new hybrid sports car will utilize a multi-material space frame that Acura says is the world's first automotive application of ablation casting technology. This process allows for shorter, stronger stitch welding, minimizing heat distortion and creating ultra-rigid castings in strategic locations within the car's space frame. With the addition of ultra high strength steel in critical locations and a carbon fiber floor, Acura claims the new NSX will have "the most rigid body in its class. "Acura also points out that the 3D-formed, ultra high strength steel A-pillars provide maximum rigidity and roof crush strength while minimizing visual obstruction. That's a nice callback to the airy cockpit of the original NSX, and a contrast to the sometimes cave-like passenger compartments necessitated by today's crashworthiness requirements.

All that metallurgy and whatnot is cool, but the biggest question hanging over the new NSX has been about the powertrain. Acura still isn't talking raw numbers, but we learned a little more about the mid-ship power plant and its electric buddies. The gas-burning half is an all-new, twin-turbo, 75 degree 3.5-liter V6 with direct and port injection and dry-sump lubrication to allow a nice low center of gravity and high-G cornering.

Power goes through a nine-speed dual-clutch transmission to Acura's most advanced application of Sport Hybrid SH-AWD with dynamic torque vectoring. The hybrid half of the

drive-train is comprised of three electric motors: A twin-motor unit (TMU) driving the front axle, and a rear motor within the transmission that acts directly on the crankshaft for immediate power boost to the rear wheels. Acura says the double-wishbone, double lower control arm front suspension isolates the torque of the front axle motors from the steering system, "providing timeless sports car steering communication." Notably, the new NSX's aero package doesn't involve any active elements, though the cooling requirements of the 3.5-liter V6 and the electric motors necessitated 10 radiators in total.

Acura's keeping mum on the power output of the new NSX, though previous conversations hinted at a total gasoline-plus-electric output "north of 550 hp." We still speculate that Acura's decision to switch from a transverse engine layout to a longitudinal setup, which happened rather late in the car's development, hints at the possibility of a bigger engine down the line, but that's just pure guessing on our part. Expect the new NSX to price in the mid-$150,000 range, with production starting in the fall.

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Source: RoadandTrack.com