For the next design, I would start with this hull shape:
Instead of rocks as ballast, use canned goods and water jugs.
Here is an interesting find:
Does that sound like an accurate capacity target of 1200 pounds per person for long distance cruising?
Librecad is very good.
The pram type that you posted would work for your purpose. You might also take a look at the Pdracer hull, which is designed for sailing, but...
If Exlex were my boat, I would add leeboards and double the sail area with an easy to reef rig, either junk or roller furling rig. If you look at...
Roger Taylor's concept seems to be a good one for cold weather:
small insulated cabin
rig and steering managed from inside the...
What are some good low building cost sailboat designs that would be adequate for crossing the Atlantic?
I don't claim to be an expert, but for speed, little to no rocker is good. Beyond that, light weight is important. I built a stitch and glue...
Is there a way to get high efficiency at displacement speeds while still having a hull shape that will get up on plane?
Is that a planing or displacement hull? At the design weight, are the sponsons in the water all the time or just when it heels?
The Loss of the Chicora
C H I C O R A
The steamship Chicora was built for the Graham & Morton Transportation Company by the Detroit Dry Dock...
A Sea Pearl is a good example of an open coastal cruiser.
The yawl rig allows for masts fore and aft, leaving a center area open for accommodations.
Just another successful experiment. Now you know what not to do next time.
Here is another mini cruiser, a sharpie yawl outboard motorsailer big enough to sleep on in 15 feet. Sorry about the crappy drawings, it is...
Do you have to pay customs duty on a boat shipped in to another country?