Green: good course; rotor operates at high power, boat receives low heeling force.
Yellow: fair course; rotor operates at medium power, boat receives medium heeling force.
Red: bad course; rotor stops, boat receives high heeling force.
A schematic indicating the points of sail for a rotor ship. A= in irons (or into the wind), 0°; B= close hauled, 15-20° r/l; C= beam reach, 90° r/l; D= broad reach, 135° r/l; E= running, 180°.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.