Allen specializes in linear actuators up to a 3″ bore and 15″ stroke, usually made to the individual specification of the airframe manufacturer. Our actuator designs feature two-way, one-way, and one-way spring-loaded actuators with operating pressures up to 3000 PSI. Types of designs available include, but are not limited to, main gear uplock, main gear actuation, main gear door, main gear down lock, nose gear uplock, nose gear actuation, nose gear door, flap control, escape slide, speed brake actuation and speed brake uplock.