Virtually every racecar uses a sequential shift rather than the 'H' pattern gearbox. The reason being that sequential shift is quicker and more consistent. The selector drum is rotated manually or by an electro-hydraulic actuator. In the electro-hydraulic case, the driver operates the gearshift mechanism from the steering wheel by depressing gear change buttons. Sequential gearboxes have a gear position sensor fitted to measure the position of the selector drum. In high-end professional motorsport, seamless shift gearboxes require a gear position sensor with dual signal outputs for control signal redundancy. The selector drum sensor operates in a harsh environment and at high temperatures and would have almost 360° of measurement angle. Active Sensors offer a number of 'motorsport ready' sensor solutions for gear position systems.
For bespoke applications we offer a comprehensive design, manufacture and speedy delivery service to satisfy the fast paced engineering developments associated with international motorsport.