In all-wheel steer, the four independently controlled, steerable axles coordinate angling of the wheels to roll through a turn. |
The aircraft has fixed or electrically retractable tricycle landing gear with steerable nose wheel in standard. |
But controlling the sled is an extremely delicate task because only the front runners are steerable. |
The distal end of the sheath is either precurved or is steerable so the electrode tip can be directed to the coronary target site in the left atrium. |
The finished carbody was mounted on a pair of dual-axle rubber-tired bogies, the front set being steerable. |
They might also be useful in security systems. Dr Davis even sees non-sensory applications, for steerable beams are useful in communications too. |