Items marked by the "Xtrac" tag:

Xtrac, a British engineering company specialized in advanced transmission solutions for racing applications, has recently presented its latest P1316 e-axle intended for the first electric-powered cars to participate in the 2021 to 2024 FIA World Rallycross Championship.

While most racing series have already been integrating sequential or DCT transmissions for quite a while, NASCAR has remained committed to its standard 4-speed manual H-pattern transmission. But recently, automotive news media have reported that the next-gen NASCAR Cup Series car that is presently under development comes with a six-speed transmission instead of a standard 4-speed unit.

It is hard to believe that a modern racing car, breaking records in one of the most entertaining race series, owes its transmission design to a unit that was installed in the road car back in the '50s. But don’t be surprised because we are talking about NASCAR, where the only allowed transmission solutions still have to look like a legendary BW ST10, firstly used by GM more than six decades ago.

FIA plans to standardize a gearbox unit for all F1 teams. For this purpose, the governing body of the motor sport has recently issued a tender to find an official supplier of a single specification gearbox for the 2021-2024 F1 seasons.

Auto racing is a motorsport involving the racing of automobiles for competition. A reliable and efficient transmission is an indispensible part of each racing car and a key success factor. Carefully adjusted and balanced transmissions allow racers to get a split second advantage over other competitors during acceleration or turning of corners that may be decisive at the finish.

Nowadays Extroid CVTs are commonly known as “toroidal” due to the fact that the working surface of driving and driven discs in this transmission has the form of a torus. Extroid CVT is not a V-belt transmission, but a friction drive CVT.