Field notes · Nº 07 3 min read Building things that last

The new Tesla Roadster's real breakthrough is not that it jumps. It is where it finds grip.

By Pallav Sharma · Co-founder & CTO
A line drawing of a low sports car on a dark background. Faint marks at the tyres are labelled 'Tyre grip'; gold arrows under the car labelled 'Suction' pull it onto the road, gold jets at the rear labelled 'Cold gas' and a gold arrow labelled 'Thrust' push it forward. Headline: 'Don't push harder on the old limit. Add a new force.'

For a century, every road car has been capped by four tyre patches pushing on the road.

The Roadster adds two forces:
Suction: fans underneath pull it onto the surface, hard enough to drive up a ramp until it is upside down.
Thrust: on the top version, ten cold-gas thrusters, developed with SpaceX and fed by 600 litres of compressed air, push the car itself. No tyres involved.

The live demo: 0 to 60 mph in 0.81 seconds.

When a limit holds for a hundred years, the leap comes from adding a new force, not pushing harder on the old one.

Going deeper

On 15 October 2026, at SpaceX’s test site in McGregor, Texas, Tesla revealed the second-generation Roadster. The moments everyone shared were stunts: the car drove up a curved ramp until it was upside down, launched off it, flipped in mid-air and landed, and later lifted itself over a row of Tesla vehicles. The engineering behind them is the more lasting story.

Three technologies working together

  1. Fan suction. Fans under the car pull it onto the surface. Wings only press a car down once it is moving fast; a fan does it at any speed, which is how the Roadster held on upside down. Tesla’s VP of engineering, Lars Moravy, puts the suction at up to 2g. Racing knows the idea well: the 1978 Brabham “fan car” won the only Grand Prix it entered.
  2. Cold-gas thrusters. On the top Rocket version, ten nozzles developed with SpaceX release compressed air from carbon-fibre pressure vessels holding 600 litres. No combustion, no special propellant, and the tanks refill. Thrust pushes the car directly, so acceleration is no longer capped by tyre grip alone.
  3. Control by wire. Steering is by wire: inputs reach the car as signals, the architecture that lets tyres, fans and thrusters be managed as one system.

The live demo recorded 0 to 60 mph in 0.81 seconds. Tesla’s targets are under 1.6 seconds for the Performance version, under 0.9 for Thrust and under 0.59 for Rocket, which it claims tops 230 mph. Production is planned for 2028. The stunts ran with no one aboard and every figure so far is Tesla’s own, so the production car will be the real test.

What it means for driving and for flight

Musk says the Roadster will eventually be the only Tesla people drive themselves. That points to a future where driving by hand becomes a deliberate experience, chosen for skill and joy, like sailing or riding.

On flying, the honest reading beats the hype: short, controlled lifts powered by a tank of air, not sustained flight, and the fully thrustered Rocket is single-seat, invitation-only and not approved for public roads. Yet the building blocks of a road car that can leave the ground now work together in one vehicle.

A method for your own hundred-year limits

  1. Name the limit everyone in your industry treats as fixed.
  2. Find what actually sets it, the way tyre friction sets a car’s grip.
  3. Look for a force from another field that goes around it, as rocket thrusters did here.
  4. Prove it live, in front of the people who doubt it.

The biggest gains rarely come from pushing harder on the old limit. They come from adding a new force.

Sources

TechCrunch · Electrek · Fox Business · Engadget · Yahoo Autos · Not a Tesla App · Drive Tesla Canada · Motorsport Magazine on the Brabham fan car