Per Brohall Albin 25 Handbook page 9

8
t
When going ahead
the turning radius
it's slightly smaller
when turning to star-
board than when
turning to port.
Fig.
Initial position when going astern.
8 .
Fig.
7 . T h e propeller
ing f orward seengoing ahead)
pushes the keel and bottom. I n the lower positions the pro-
on
peller blades work in less disturbed water. T h i s adds u p to a side
force, which is noticeable when starting from laying still es-
pecially when going astern.
The turning radius
can be influenced
by wind and waves.
When going astern
from lying still the
turning radius is
very much influ-
enced by the side
force o
peller.
To be able to go
astern in the in-
tended direction it
is important to
have the right
initial position.
I
the A l b i n is anticlockwise (look-
of 25
The rotating propeller stream