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The Commador's blog
3 Attachment(s) Control Systems
Discussion / Posted by The Commador / Nov 05, 2009 @ 11:08 AM / 816 Views / 0 Comments / Reply
Here are some sketches of different methods of combining similar actions on a single motor screw/worm gear drive.

East R.N.
Attached Files
  • Download Combined Rud Spank.pdf Combined Rud Spank.pdf (61.3 KB, 13 views) Without adding an extra servo, a shuttle across the stern rail of the ship, could be linked to the tiller or control servo of the rudder. This allows the spanker to be brought across the centre line and into wind to assist Tacking across the wind.

  • Download Capstan Config.pdf Capstan Config.pdf (92.7 KB, 7 views) The Capstan can be used in a similar fashion to the screwed rod and Shuttle, but in a Vertical plane. Each Spool being at a specific diameter, calculated to bring similar functions of different sizes together. Bracing the Main and Fore Sails independantly

  • Download Plan View Capstan.pdf Plan View Capstan.pdf (65.0 KB, 5 views) This view shows the different routes or applications of the capstan system.

Personal Profile
Discussion / Posted by The Commador / Nov 04, 2009 @ 05:13 PM / 811 Views / 0 Comments / Reply
Hi Everyone.

I have been following this forum abut the Square Rigged radio control ships.
The majority of contributors appear to be from the USA.
Please dont hold it against me, but I am British.
I Live in Tewkesbury - a small country town in the Cotswold area.
About 30 miles away is the city of Gloucester, where there is an old Sea faring Dock, with old Warehouses around a Large basin. This is where the local Model club get together and sail among some of the old sailing ships themselves.
I have sailed small boats and yatchs, but not a large square rigger.
I am by trade an Instrument Engineer and Control Systems Engineer, used to sorting out the control of equipment. When I started my apprenticeship, instruments were driven by Air, with servo's and pulleys, feedback and balancing mechanisms. And have loved applying it to all of my models.

I have worked in many parts of the world, as a Construction and Commissioning engineer. I started travelling in 1978, and am in Milan, Italy at the moment.
I would like to make this my last Working project. It is scheduled to be started up in 2014. So I may have a long time to be at home permanently, and have the time to build my dream ship.
Although it does give me time to watch and learn from the Masters. Also offer some tips and ideas, that I would try myself given the materials and time to set it up.

I feel that the effective Furling and Reefing the sails prior to and after a manouver is essential, especially during a Tack. The square rig is best for running down wind, and a broad reach. When Beating to windward, the effect of the square sails, disrupts the laminar flow across the In line sails such as the Jib and Stay sails. A ship running on a Reach at about 90 degrees to the apparent wind, would start to reduce the square sails as the bow comes round into the wind, and set more in-line sails.
By the time the ship is heading as far as it can to windward, and ready to Tack, all square sail would be furled, and all in line sails are set.
Wouldn't that be a great sight and achievement.

As I am in Europe, I tend to use the Robbe 'F14 Navy' Radio setup.
This is a variation of the standard two joysticks, controlling four proportional channels with self centering.
It has twin sticks that move back and forward individually, as with a twin engine Throttle system. In a sailing ship these can be configured to control the Jib and the Main sail.
The system has a modular build up, so extra channels and functions can be added, allowing any number of extras and functions to be achieved.

I plan to build the Surprise as a Retirement project. There stands the problem, Space/Room.
Here in England, we live extremely close to each other. My neighbors are only a few meters away, My garden is a total of 50 feet long, about as big as a Driveway for one of your houses. Storage? Where do I keep the completed model. I would have trouble getting it in and out of the house!
All I have is a 12 ft x 8ft garden shed with a workbench on one side.

I do not have a garage either. What to do? Where to store and Keep the finished article?


Ray N. East
Alias East R.N.
AKA The Commador
Currently "On the Far Side of the World" in Milan, Italy.
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