Helix is the reason your neck hurts. The Milton Keynes outfit just confirmed they are the entire reason the McMurtry Speirling has enough electrical muscle to rearrange your internal organs. This car looks like a miniature Batmobile but performs like a physics glitch. Helix has spent twenty years perfecting power density, and this partnership is the ultimate proof that size is a lie.
The Speirling is not a normal car. It is a single seater fever dream. Inside that tiny frame sit two Helix SPX242-94 motors that pump out 1,000hp. This setup helps the car hit 60mph in 1.5 seconds. That is not acceleration, it is an assault. By the time you finish reading this sentence, the Speirling has already finished a quarter mile. It has already shattered records at Goodwood and Laguna Seca. It has humiliated Formula 1 cars without breaking a sweat.
While most hypercars rely on giant wings to stay on the road, this one uses Helix power to run a fan system that literally sucks the car to the pavement. It produces 2,000kg of downforce while standing perfectly still. You could probably drive it on the ceiling if you had enough bravery and a very long extension cord. This Downforce on Demand system is the secret sauce. It makes the car feel like it is glued to the track regardless of how fast you are actually moving.
Each Helix motor weighs only 33kg. Despite being lighter than a large dog, each unit spits out 500Nm of torque. Helix technology is already hiding inside the Aston Martin Valkyrie and the Lotus Evija, so they know exactly how to handle high stakes speed. They have taken their scalable core tech and turned the volume up until the speakers started smoking. The SPX242-94 is one of the most powerful motors they have ever built. It unlocks design possibilities that were previously impossible for a car this compact.
Simon Mead, the lead engineer at Helix, sounds rightfully smug about the whole thing. He notes that the Speirling is a masterclass in British engineering. It is a showcase for what happens when you stop worrying about luggage space and start worrying about 3G cornering. This is not just a science project for the Goodwood Festival of Speed anymore. These motors are locked in for the production cars hitting customers in 2026. Helix has been involved since the early prototype stages, ensuring the powertrain evolved alongside the chassis.
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ABOVE: Helix provides the 1,000hp motor system for the McMurtry Speirling fan car as production
McMurtry is even opening a technology division to sell these insane parts to other companies. This means the fans, the batteries, and the Helix e-axles might soon be powering everything from racing boats to defense platforms. They are offering OEMs the chance to skip the R and D phase and just buy the world’s fastest components off the shelf. If you want a battery that can handle 1,000hp or a fan that prevents your car from flying away, McMurtry is taking orders.
Helix began as an engine consultancy back in 1998 before realizing that electricity was the future of going fast. They now have 200 people in Milton Keynes dedicated to making sure the rest of the world looks slow. Their facility covers 86,000 square feet of engineering and manufacturing space. They are a full service supplier, meaning they handle everything from the initial sketch to the final production motor.
The partnership between Helix and McMurtry reflects a shared passion for pushing boundaries. They are not interested in making another boring commuter car. They want to drive the advancement of next generation propulsion systems across every industry. From aerospace to marine, Helix is the silent partner making sure the future of transport remains terrifyingly quick. They are already a staple in Formula E and other racing series where performance is the only metric that matters.
As we move toward the 2026 delivery date, the testing continues on iconic circuits. Every lap time they set seems to break another record. The Speirling Pure production car is going to be a landmark moment for the EV industry. It proves that you do not need a three ton SUV to have a long range or high performance. You just need a very small car and some very, very powerful motors from Milton Keynes.
The level of integration between the Helix motors and the McMurtry gearbox is what allows for such a tight package. In a single seater car, every millimeter counts. By using the SPX242-94, McMurtry saved weight and space without sacrificing a single horse. This efficiency is the hallmark of the Helix Scalable Core Technology. It allows them to adapt high end racing tech for production use without losing the edge that makes it special.
Looking ahead, the influence of this partnership will likely spread. We are seeing Helix tech show up in vertical take off and landing vehicles and space launch providers. When you are the best at making things move quickly with electricity, everyone wants to talk to you. Whether it is land, sea, or air, Helix is providing the heart of the machine.
The Speirling is the ultimate proof of concept. It shows that the transition to electric power does not have to be dull. If anything, it allows for levels of performance that internal combustion engines simply cannot match. With 1,000hp and 2,000kg of downforce, the only limiting factor is the human neck. Helix and McMurtry are building the future, and it is going to be very fast.
Alan Zurvas is the founder and editor of Gay Car Boys, Australia's leading LGBTQI+ automotive publication. Before launching GCB in 2008, Alan's automotive writing was published in SameSame.com.au and the Star Observer. With over 16 years of hands-on car reviewing experience, Alan brings an honest, irreverent voice to every review — championing value and innovation over brand loyalty.
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