Drive arrangements

A drive arrangement for manipulating a vehicle control surface, the drive arrangement comprising:

• a first drive;
• a second drive;
• an output member for connecting to the vehicle control surface;
• first engaging means for selectively engaging and disengaging the first drive and the output member;
• second engaging means for selectively engaging and disengaging the second drive and the output member;
• and
• at least one actuator configured to cause the first engaging means to engage and disengage the first drive and the output member, wherein the at least one actuator is configured to cause movement of a rod and a pair of arms which are attached to the rod.