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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META NAME="GENERATOR" Content="Symantec Visual Page 1.0.2"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html;CHARSET=iso-8859-1"> <TITLE>Freighters</TITLE> </HEAD> <BODY BGCOLOR="#FFFFFF"> <P> <CENTER> <P><IMG SRC="freighters/ship1.jpg" WIDTH="400" HEIGHT="243" ALIGN="BOTTOM" BORDER="0" VSPACE="10"><BR> Modern container ship -- ugly<BR> <BR> <IMG SRC="freighters/ocncrgbt2.gif" WIDTH="400" HEIGHT="80" ALIGN="BOTTOM" BORDER="0"><BR> <BR> Older sytle, mid-superstructure, self-loading<BR> <BR> <IMG SRC="freighters/ocnfrtr2.gif" WIDTH="345" HEIGHT="75" ALIGN="BOTTOM" BORDER="0"><BR> "Modern" aft-superstructure boat; this one's about 5-600." This is what I think ours wants to look like. BTW, I said we needed about a 300'boat, for the reneering. I've checked my own paper, and the 15 ksf kite should be suitable for tankers nearer 450-500'. Use your own judgement, however. Make the rendering with any size boat you like. The larger 30ksf kite (350' x 90' x 20') should easily handle a 700' freighter, and could do useful work with a 1000'er, on some courses.<BR> <BR> <IMG SRC="freighters/lksfrtr.gif" WIDTH="565" HEIGHT="80" ALIGN="BOTTOM" BORDER="0"><BR> Super-size ore carrier. Likely 900+ ft long. This is a Great Lakes carrier; the forward house is likely due to the visibility issues there. An open ocean super tanker or carrier wouldn't have the forward house. A super tanker would be wider, too, since it wouldn't need to go through locks.<BR> <BR> <BR> <BR> <IMG SRC="freighters/ship2.gif" WIDTH="256" HEIGHT="45" ALIGN="BOTTOM" BORDER="0"><BR> Another modern-style freighter (sorry it's so small)<BR> <BR> I did find drawings: </CENTER> <P><BR> <IMG SRC="freighters/dynaship.gif" WIDTH="318" HEIGHT="247" ALIGN="LEFT" BORDER="0" HSPACE="5">This one's a full-blown sailing freighter. This boat is by "Dynaship" and was almost built, back in the 70's (at least one test bed was). It is the best hull drawing I could find. Note that the superstructure is missing, because of the sailing rig. You could use these hull lines, however, removing the rig and adding a conventional superstructure. A much larger version, with readable dimensions, is <A HREF="freighters/dynashipLg.gif">here</A>.<BR clear = "left"> <CENTER> <P><BR> <IMG SRC="freighters/windship.gif" WIDTH="493" HEIGHT="311" ALIGN="BOTTOM" BORDER="0"><BR> Another "real" sailing freighter. I don't have dimensions on this one, but it's likely 200' or so. Again, it has a low superstructure, and an "old fashioned" look to the profile.<BR> <BR> <IMG SRC="freighters/windship2.gif" WIDTH="465" HEIGHT="174" ALIGN="BOTTOM" BORDER="0"><BR> Another, this time with wingsails and a modern hull. Maybe 300' long? Note the bow thrusters and big spade rudder (what do we care? -- it's underwater!) </CENTER> <P><BR> <IMG SRC="freighters/stewart.gif" WIDTH="400" HEIGHT="281" ALIGN="LEFT" BORDER="0" HSPACE="5">And last, a perspective drawing. I've actually got this one with a (crappy & small) kite attached, but scanned the wrong one. Ignore the deck structures, the artist was trying to show inflatable wingsails, and collapsable, inflated Flettner rotors (both good ideas).<BR> <BR> I took this from a presentation by Keith Stewart (my old mentor), entitled, "Commercial Ship Propulsion with Inflated Sails and Kites."<BR> <BR> Yes, he'd likely hit us for copyright infringement, if too similar. A good drawing, nevertheless. Ship's riding awfully high, must be dead empty, even of ballast. </BODY> </HTML>