Keel-erons I believe the pictured keel concept suggests implicitly that the lowest 'aileron' be deflected such that the keel be forced down and...
tspeer will probably know for sure, but won't the sail's thrust drop off as the square of the cosine of the mast's inclination? Doesn't that...
benefits of added foils Two quick observations about air/hydrofoils: 1.) Open wheel racing revolutionized by wings and downforce 2.) Fish A...
Keels, Leeway, and pointing Disagree: Edmond Bruce's tank testing showed, and he firmly believed,published that leeway angles > 5 degrees were...
similar boats This seems very similar to current Bombardier sport/jet boats. They are very popular and functional/recreational. It seems as if...
"Half load condition" applies to the normal displacement from the factory with additional allowances for stores/supplies carried for a "voyage" -...
envisioning the holes/vents makes me think that I've seen this system elsewhere - submarines. On the same idea - why just a vent? why not a small...
Wow, my canoe has a layup 1/8" thick. With a hull that thin, and a liner attached as it was, didn't the hull flex considerably? I'm glad that...
sympathy post I feel your pain! I'm at a similar point with a sailboat - monkey fur gone, lots of stuff to put back. The age suggests that the...
Pointing ability By way of comparison, if you view a sailboat's upwind performance as being analogous to a glider's (engineless plane) descent...
Suggested sailplan seen elsewhere wrt your sailplan, it sounds very much like one used and written about by Chris White - but as a multihuller....
