Watch 3D Printed Airbox Drive Improved German Race Car Performance!

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Watch 3D Printed Airbox Drive Improved German Race Car Performance!

 

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The team at HTW Motorsport in Germany is taking additive manufacturing to the track with a 3D printed airbox for a Formula-style BRC14 race car. Derived from a student project at the University of Applied Sciences in Berlin, Germany, HTW Motorsport’s latest success follows an ongoing relationship with Stratasys, leveraging a mix of both FDM and PolyJet 3D printing technologies to design and produce engine parts for different cars.

Each year, these cars participate in the global Formula SAE competition where teams design, build, test and race small-scale Formula style cars. These vehicles are also judged on their design, fuel economy, acceleration and endurance.

Most recently, taking advantage of Stratasys multi-material 3D printing capabilities, HTW Motorsport used tough high-performance Digital ABS photopolymer material to meet the exacting criteria required to 3D print the airbox (or intake chamber) on its BRC14 race-car.

Patrick Harder, a team engineer at HTW Motorsport, said that 3D printing of complex parts is the fastest and preferred way of manufacturing race-ready airboxes.

“As a university project, having access to Stratasys’ advanced 3D printing technology offers us a massive boost,” he said. “It enables us to develop the required parts much faster and incredibly more cost-effectively than we would otherwise be able to. “Stratasys 3D printing technology offers us a key advantage in the construction of the BRC14’s airbox. A well-designed airbox will draw air more efficiently and effectively into the engine and thus improve performance,” Harder said. “This has delivered proven, quantifiable benefits on the BRC14’s airbox system with a comparative increase in horsepower of around 10% versus the system we used two years before. We also enjoyed anincrease in torque of almost 12% over the same timeframe.”watch-3d-printed-airbox-drive-improved-german-race-car-performance-2

Why Digital ABS is Perfect for Peak Performance

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High temperature and fuel resistance made Stratasys’ Digital ABS the material of choice for 3D printed airbox parts on the BRC14

 The attributes of Stratasys Digital ABS make it the material of choice for HTW when it comes to meeting the airbox design and performance requirements, head-on.

“High temperature resistance and fuel resistance are vital prerequisites for the airbox, so Digital ABS is perfect,” Harder said. “This, and its high strength-to-weight ratio, makes it the best material for the airbox’s plenum chamber which requires a combination of toughness, unique geometry and high surface finish.”

Major Weight Reduction with More 3D Printed Race-Ready Parts

HTW Motorsport is currently designing its next car which will launch in June and compete in this year’s race season. Once again, the team is incorporating 3D printed end-use race-ready parts into its construction, with the overall objective to further improve on-track performances by reducing the car’s weight.

“With the help of Stratasys 3D printed parts, we are aiming to reduce the weight of our next car by around 45 kilograms (99 pounds),” Harder said. “This will see us incorporate a fully-3D printed steering wheel and fuel tank, as well as a slightly smaller 3D printed airbox. We’ll also be constructing a number of boxes that house the many micro-controllers on the car and expect 3D printing to deliver almost 80% weight reduction compared to using standard options from electronic suppliers.”

HTW Motorsport’s BRC14 race car and engineers will be one of the main attractions at the 3D Printshow Berlin, which takes place from 26th – 28th March at the city’s Station Berlin exhibition center.

By | 2016-11-14T03:30:11+00:00 March 27th, 2015|News|0 Comments