Wingsail & Rotary Sailing
 
Investigations and testing - by Peter Worsley

In the pages you will find details of two separate strands of research:
1. self-trimming wingsails (this page and its links).
and
2. boats powered directly by wind-turbines (windmill boats) go here

Auto Wingsail fitted to a small cruising yacht


The non-electronic automatic wingsail control system I have developed has been
taken up by others, and is in development - both in Sweden and the United States.
For further information go here.

How does it work?

Explanations and videos of  wingsail experiments - Models and Fullsize


Models

Click on the Pictures

Model test proves self-trimming
wingsail can sail directly into the wind
Click Here


Fullsize

Developmental manual system.
Latest Automatic System.
Video of testing.

Pulleycord control system

 

Automatic wingsail control system.
Removes all the complication and difficulty of sailing.

The "Windthrusters" concept
- Simple self-contained thrust units which can
be fitted to any boat to provide wind propulsion go here

Self-trimming Wingsails
Why are they different the wingsail system used in the Americas cup?
To find out click here.

Another view of how it works

Any questions? click here

1st Wingsail model 2nd Wingsail model Fullsize Boat Electric Power What are Wingsails? Contact

Development story

Construction Method Windthrusters Rotary Sailing

Development story

How do wingsails work? What are they good for? Click here to find out.


Click here for the story of how my wingsail systems were developed


Windmill boats?  Click here


Would you like to keep up with developments and testing?
If so, join the mailing list.

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Amateur Yacht Research Society