To use the program. Please try the example file hull.zip. Unzip the file in a directory of your choise. (Easiest is to put the files it in the...
Well. I found out too late that Archimedes was a bad choice to base the program on if you want to make multihulls. Rather annoying sice I´m a...
As I wanted to calculate hydrostatics for a sail boat under different loadings I created this program. FreeFloat It uses .hll (Archimedes) and...
Can anyone here help me with information on how much extra drag you get if you cut the tail of a aerodynamical teardrop shape at different...
Sorry all. I have woken the bear. Doug Lord: I don't think you can look at longitdinal stability(pitch resistance) or roll stability on high...
oh no Doug Lord... I will not take up that glove but stop foiling every thread or someone will stick one in you... Anders
Freeship is a 3D drawing software that is pariculary good for smooth curves common in boatdesign and you can use it for the design of the boat in...
An introduction to multihull design issues and more is "Multihulls for cruising and racing" by Derek Harvey. A easy to read book with a lot of...
Just for the fun of argumentation And against monos: They heel 20-30 degrees making living in them unatractive Less exterior space Need deep bays...
From the FREE!Ship forum: By: Marven - marvenProject Admin RE: Trim mesurement 2006-03-20 05:58 Thierry, Trim is indeed in meters (or feet)....
For upwind performance a high aspect ratio would be best. I think a taller mast and keeping the shorter boom would be a good choice. Full length...
http://www.answers.com/main/ntquery?s=bulkhead&gwp=13
Found this post from Tom Speer about multihull stability: http://boatdesign.net/forums/showpost.php?p=15588&postcount=15 Some other thought about...
When it comes to cruising boats i think Ian Farrier (referenced above and also here: http://www.f-boat.com/pages/catamarans/index.html) have a...
Some thought on tris and cats. Background: Maximum traverse righting moment determines the maximum sideforce from the sails and depends on weight...
Reasoning about the effect from the main on the jib or the jib on the main might be missleading. It is better to see them as a multi foil system....
I´m just wondering about the life rafts for elephants
FreeShip only uses 2D-surfaces. One surface can not be split in two. Therefore you have to treat inner and outer surface of the hull as separate...
I think that the Swedish A-Cat Association might be able to help. See A-Cat Sweden ***. Håkan Fröjdh sailing with spinnaker. Video: A-Cat with...
Interesting! Anders M