Question   

Describe, with the aid of sketches where necessary, a rotary vane type steering gear showing, how the weight of the rudder and stock are carried and the arrangement that allows for wear down?

State how the vanes described in a are secured and the method of sealing the edges

Explain why the stator pressure chambers are usually duplicated.

State what considerations determine the number of vanes.

2009/JUL 2007/JUL 2008/JUN 2007/OCT 2010/SEP 2010/JUN 2010/FEB 2013/APR

2013/JUN 2013/JUL 2013/NOV 2014/FEB 2014/MAR 2014/AUG 2014/SEP 2015/APR

2015/OCT 2017/SEP 2017/NOV 2018/FEB 2019/APR