AVL RACETECH is among the firms main the way in which with hydrogen combustion know-how as motorsport appears to evolve away from fossil fuels and right into a extra sustainable period.
“The general technique for AVL RACETECH is paving the way in which for sustainable motorsport as a result of that is the place everyone has to go,” stated director of motorsport, Ellen Lohr.
“Our objective is, being within the entrance row of growth with our H2 ICE engine, and making sustainable motorsport inexpensive for smaller race lessons, that are the fundament of our sport.
“Everyone knows in 2027, Le Mans is open for hydrogen matters, which inserts very effectively in our plans as effectively.
“That doesn’t imply we don’t do electrification and have data in gasoline cells, we now have all that however we love motorsport and which means pleasure and sound. However H2 ICE is just one of many issues that we do to go in a inexperienced route.”
Organisers of the 24 Hours of Le Mans lately pushed again its 2026 plans to introduce a hydrogen class by a 12 months, with this stated to be a extra “practical” timeframe.
When requested when AVL RACETECH’s H2 engine can be seen on the observe, Lohr stated: “Sooner than you might suppose!”
In designing its H2 engine, AVL Racetech has been confronted with a lot of challenges which might be particular to hydrogen gasoline.
Paul Kapus, supervisor of Spark Ignited Engines & Idea Autos and dubbed the daddy of the engine, defined: “Hydrogen is a really reactive molecule, so it likes to ignite principally on all the pieces you possibly can think about – scorching surfaces, scorching oil droplets, too scorching spark plugs, scorching valves, no matter. So there’s a large danger of preignition. This implies you begin combustion earlier than the spark. This ends in a excessive cylinder stress that may result in engine harm. This is among the important factors.
“We have now to seek out one thing to keep away from preignition as a lot as attainable. We use water injection as a combustion moderator on this engine. This avoids preignition safely. For certain water injection additionally causes some challenges….but additionally they are often solved.
“One other level is hydrogen is gaseous, it’s not a liquid gasoline, so we want one thing to deliver a gaseous gasoline in affordable quantities into the cylinder. For this, we want very particular injectors with extraordinarily excessive circulation if we need to run excessive energy and it’s very troublesome to get them. These are principally the details.”
On the facility output anticipated, he added: “Up till now, all the pieces has labored as deliberate. We had been simply operating the engine for 2 weeks on energy and we now have already reached the max torque and the max energy that we focused. We achieved 500Nm and 300kW for a two-litre engine, which I feel is an effective quantity.”