hull speed

I am hoping to make a chined hull proa of about 18ft. I know there are professional designs such as Gary Dierking T2, P5 etc. It is an experiment. I am looking for some critique and suggestions on the lines I made in Freeship. Essentially I made two different boats, since Freeship doesn't handle...

So I have been reading a book written in the early 1960's called "Naval Architecture of Planing Hulls" by Lindsay Lord. In this book it is often stated that surfaces that don't redirect water flow do not produce any lift. (Read the screenshotted texts below.) I am not an expert in naval...

Does tow path towing take significantly less energy than on-boat propulsion (oars, propeller, etc.) for the same speed? If so, why? In my personal experience, walking along the bank towing a canoe takes a lot less energy than rowing it. This seems to remain true even if the boat is swamped...

I have been casually researching hull design for a few months in my spare time, and stumbled across an interesting relationship that I haven't seen mentioned anywhere (and Google has started steering me back to the same articles over and over again as I search...) Regarding the Prismatic...