Direct-drive sim racing wheel systems are an approach of control for use in competing video games, competing simulators, and driving simulators, that produce force comments utilizing a direct-drive servo motor that straight transfers forces to the shaft as well as wheel rim, without any reduction equipments or belts. They have been introduced in 2013, as an extra high-end alternative to equipment- and also belt-driven mass market consumer racing wheels. The initial commercially generally offered direct-drive sim auto racing wheel base has been released in 2013 by the UK-based Leo Bodnar Electronic Devices, after having actually been retailing to racing groups and also expert centers considering that 2008. It was followed in 2015 by the US-based SimXperience AccuForce V1, as well as by the first Do It Yourself open-source equipment OSW kits. Issues and top quality and efficiency indicators of direct-drive wheels, and of sim auto racing wheels in general, include detail as well as fideli...