Question.
(a) State why fixed pitch
propellers have a poor efficiency when going astern.
(b) With reference to controllable pitch propellers,
state:
2009/JUN 2008/AUG 2008/JUN 2007/AUG 2011/JUN 2011/NOV 2011/DEC 2012/FEB 2014/JAN 2014/APR 2014/JUL 2015/DEC 2016/JAN 2016/AUG
2017/JUL 2018/AUG 2018/NOV 2018/DEC
FEB 2020