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Making the holes in the sail was accomplished using wood drill bits in sizes 3/8", 1/2" and 7/8". Then round, flat and triangular shaped files were used to square and shape the square ones. Take a look at the above pic and notice how thick the top of the sail is. Why so? Because, I have witnessed surface ships trying to roll over submarines at our local lake, and ... sometimes their screws would hit the sails. Whelp, I decided to reinforce my sail top. I did it by flipping the top half of my hull over and pouring Epoxy resin inside to the desired thickness. It took me a little longer to file the square holes, but I think it will be well worth the effort in the long run! |
| The final product is not yet finished, but I wanted to check the alignment. The various parts were inserted into a flat piece of clear Lexan®, and then the entire periscope system was inserted. Temporarily held in place with a clamp, you can see what it will look like ... eventually! |
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I haven´t decided yet how the thing will go up and down (Clippard piston or float), but it will eventually work. Here is a closer view from a different angle. |
| Here is a pic of the flat piece of clear Lexan® that houses all of the sail pieces. The center hole will house the center guide tube that you can also see in the background. |
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The center guide tube will be attached to the underside of the sail using Celtec. The structure will ride up and down on the center tube. |
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Additionally, I have decided to manufacture two (2) more brass tubing guides; forward and aft. These will help firm up the mechanism. They have been glued into holes on the underside of the sail.
Next Step - Part 2b - Installing the sail hardware (continued) |
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Copyright © 2003 - 2008 John T. VanderHeiden
Last Updated Tuesday, April 29, 2003 3:05:13 PM