How does one determine the approximate center of lift for a deep vee hull, such as on a wharram?
This is a hypothetical exercise, so if the question offends your sensibilities then simply don't respond. Let's ignore capsize due to heeling...
How much buoyancy do I really need? There will be no accommodations or storage in the hulls so will have much less volume than most. My thought is...
I would use numerous epdm rubber straps (one for each 7 or 8 lbs of suspended weight, individual breaking strength >50lbs) to suspend the...
I keep reading that high aspect ratio foils can have issues with stalling. Is it the actual chord, or the aspect ratio, that determines the...
What's the optimum naca profile(chord to width) for a wing sail? I'm thinking 20-25%? A thicker foil would stall at a greater angle of attack...
Can you self steer a biplane rigged catamaran by trimming one or the other sail to balance the boat and hold a course relative to the wind?
Why do some Wharrams have added keel towards the back? Is this to solve a balance issue or to add lateral resistance, or both?
Let's say I have a catamaran with 12' beam that weighs 1200lbs, has a CE above the waterline of 15', with 160ft2 of sail area, at 40mph wind...
Please give the image a look and give your input. Not really to scale, just a sketch... Somewhat of a combination of a gaff and junk rig with...
Would moving the center of effort and center of lateral resistance well forward of mid ship cause any handling/balance problems?
I'm looking for simple and easily deployed keel/daggerboard concepts for a small catamaran. Is there somewhere that has a collection of people's...
I am close to being ready to start building a very small catamaran for testing on lakes. What is the methodology for figuring out the most...
How do you calculate the velocity of waves?
If I am primarily using my boat between 8 and 12 knots would it be more efficient to use planing hulls, displacement, displacement with submerged...
If I had to choose a specific sail draft for all wind speeds up 20 knots, what should I choose?
Let's say you have a catamaran, 24'x12', 2000lbs displacement, mostly operating at between 6 and 15 kts. Would submerged transoms increase the...
Say you have 2 boats of the same displacement(2000lb) and width, one 30'x12', the other 24'x12'. The first boat having finer but longer hulls...
How big would a catamaran have to be... to basically be immune to capsize in any circumstance that may be encountered? Let's say you drop your...
I keep reading this all over but it doesn't compute. I would think the more gradual the transition is for the water going around the hull the less...