My name is Waldemar Belwon and my residence is in Sweden.

I am working on experimental sailing machine which is meant
to explore what is outside the box of traditional sailing techniques.

On the HOME page, you can read a little about my work.
I will keep the information on easy to understand technical level.
Still it requires a good knowledge of sailing and waves energy
which will help to understand it in the depth.

The proposed by me techniques has already a spin-off when it comes to 

universal wing for ice-boat, airplanes, and devices for the harvesting of water waves energy.

It is to be mentioned that 100% of present here text and sketches, photos have been made by myself. 

Best Regards



Kind of summary of the characteristics and targets for this project:

A WSW is pleasure yacht concept, correct environmentally, where energies from Wind, Sun and Waves are utilised for ballasting, propulsion and energy maintenance.

This concept is based on LBVW (Lateral Ballast Variable Wing) project.

Propulsion of these boats will have following possibilities:
- Pure sailing by means of Variable Sail-Wing
- Midships rudder used as propulsion means when driven by hull movement on waves (rolling)
- Midships rudder used as propulsion means when rolling of the hull is induced via wings adjustment
- Midships rudder assisted sailing at low wind speed using energy from batteries or/and solar panels
- Midships rudder assisted sailing using wave’s energy via Lateral Ballast system 
- Pure "motoring" by rudders using energy from batteries – very low wind speed  no waves.
- All possible propulsion modes, known today, when using propeller driven by electric motor

Maintenance of energy on these boats will have following possibilities:
- Charging the batteries from solar panels
- Charging the batteries by means of Lateral Ballast - energy from waves or/and wind
- Charging the batteries by means of propeller driven by sailing boat

Stability and manoeuvrability on these boats will have following possibilities: 
- 2 rudder concept - midship rudder instead of ballast keel and standard stern rudder 
- Both rudders can rotate endless 360 degrees
- Variable Sail-Wing rotating free endlessly 360 degrees
- Heeling/pitching depend on Lateral Ballast setting and controlled load on Sail-Wing
- The main characteristic is that these boats are sailing as close to a horizontal position as possible in order
  to be fully

Note that, in contrast, a standard keel sailboats require 15-25 degrees of heeling in order to develop full power.

General characteristics of these boats will include: 
- 2 rudder concept with 360 degrees rotating Variable Sail-Wing – increased manoeuvrability 
- Increased speed when propeller assisted sailing used at low wind speed 
- Possibly self-sufficient on electrical energy from the wind, the sun, and waves
- Excessive hull movements damped by Lateral Ballast
- Very effective ballasting as most of “movable weights” can be stored close to ballast weights and used for ballasting.
- The speed of these boats is also limited by the righting moment providing by the Lateral Ballast and energy collected
  in the batteries.

- The stability curve is similar to this of catamarans, however, different in that it is possible to get full righting moment 
  already at 0 degrees of heeling and at little windward hull heeling as well.
  In addition, there is possibility to release the ballast weights in catastrophic situation thus avoiding  the upside down 
  the position of the hull.
- Note that all the parts being used to control proposed boat are placed inside the boat or inside the wing-sail.
  This is in strong contrast to traditional boats where most of the gears are exposed to the environment.
- Note that the wing-sail is semi-stiff and can keep the designed form for many years.
  This is in strong contrast to soft cloth sails. They are loosing the design shape after some years.

Lateral Ballast characteristics:
- Redundant ballast 8-12 members working in cooperation with Variable Sail-Wing
- Sail-Wing and Lateral-Ballast keep the boat as horizontally as possible
- Each ballast member contains a small motor/generator for ballast positioning 
- Each ballast member can be moved by gravity or by e-motor-generator 
- Each ballast member can be slowed down by e-motor-generator thus producing electricity
- The motor/generator has the ability to produce for limited time 10x continuous torque and is direct drive – no gears.

Variable Sail characteristics:
- The Variable Sail area is smaller than usual on sailboats as midship rudder assisted sailing is proposed
- Variable Sail is a semi-rigid wing-sail rotating 360 degrees
- Variable Sail can change thickness within seconds by means of internal ribs
- Variable Sail can adapt twist within seconds by rotating specific ribs at certain height
- Variable Sail is changing camber “automatically” depending on tack 
- Variable Sail is interacting with Lateral Ballast in order to balance the boat
- The rig mast/wing are lay-down along the boat when not in use or in the case of emergency situation.

About the parts used in construction of WSW boat
It feels that proposed system uses plenty of parts. It might be deceiving as it is easy to count for WSW boat while we do not like to count them for standard cruising/racing sailboat.
All parts for a controlled rib are the same = plenty of the same
All parts for the ballast member are the same = plenty of the same
This means that the reserve parts are just not many
Only if we aim production of high quantities of the same part the quality can be very good!