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Engine will power the ZEOD RC hybrid race car

When it comes to racing cars, lighter is always better as long as the components can survive the stresses of racing. In keeping with the “lighter is better” mantra, Nissan has unveiled one of the smallest engines that has ever been used on the racetrack. The new 1.5-liter, 3-cylinder engine will be used to power Nissan’s entry into the 24 Hours of Le Mans this year.
The tiny engine, which is called the DIG-T R, weighs only 88 pounds and uses a turbocharger to develop an impressive 400 hp and 280 pound-feet of torque. The engine produces 4.5 hp per pound giving it a better power to weight ration than the new turbo 1.6L V6 engines that will be used in F1 this year.

The little engine will be used to help power the Nissan ZEOD RC racecar. The drivetrain in the racing car will be able to switch between electric and gas power during the race, with the battery packs charged by regenerative braking.
The engine will be mated to a 5-speed gearbox, which will manage power from both the electric and gas engines.

"Our engine team has done a truly remarkable job with the internal combustion engine," said Darren Cox, Nissan's Global Motorsport Director. "We knew the electric component of the Nissan ZEOD RC was certainly going to turn heads at Le Mans, but our combined zero emission on demand electric/petrol powerplant is quite a stunning piece of engineering.”
According to Nissan, for every hour driven the car will be able to complete a single lap on battery power alone.

Source: Nissan

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RE: haha
By Jeffk464 on 1/28/2014 12:40:34 PM , Rating: 2
This engine belongs in sport class airplanes.

RE: haha
By sorry dog on 1/28/2014 12:56:26 PM , Rating: 2
LSA airplanes are typically 120hp or less. Anymore and they usually aren't considered LSA anymore and can't be certified as such.

But perhaps you meant sport as in racing airplane?

In any case, even in a race plane reliability and durability is given higher design priority. Previous installs of turbo subaru boxer engines have worked out for while, but the necessary gear reduction box has proved to be continuing headache for long term use.

RE: haha
By Dorkyman on 1/28/2014 3:07:30 PM , Rating: 2
Yes, the power to weight ratio is attractive for aircraft use, but what you really are looking for is extreme reliability, and engines tweaked to this extent have to sacrifice in other areas, including reliability.

There's a reason Lycoming and Continental aircraft engines look the way they do. It's natural selection at work.

RE: haha
By Jeffk464 on 1/28/2014 9:47:25 PM , Rating: 2
Sounds right they just seem so technologically archaic.

RE: haha
By Jeffk464 on 1/29/2014 11:28:58 AM , Rating: 3
Here is an idea that I saw in a motorcycle, bring back mazda's rotary engine. They have ideal power to weight and are suppose to be very reliable just not that efficient.

RE: haha
By ipay on 1/29/2014 11:53:22 AM , Rating: 2
Rotor sealing can still be a problem, but the big issues are fuel consumption and emissions. It's still being researched, but those two things are keeping them out of current production cars.

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