What are you doing with this canoe?
The size and number of people for a 40' canoe is --- unusual!???
Good luck with that.
Foils are very draggy until you lift off.
I hope someone can help you.
West System epoxy will seal plywood or any other wood.
Download their book for free....
I always liked Gonzo's input.:D:D
Are you going to wrap the uni's over the elliptical ends of the mandrel?
If not there is no issue.
Cure the tube under heat.
Running a submarine on the surface is the worst thing you can do.
Check out this wake. That's all wasted power. At a relatively low speed....
When you go to 32" wide catamaran kayak, then look in to hull wave interference as in a recent thread.
It will be bad
If you want info from a group who spent lots of years and lots of money on research, see the Gougeon brothers book as referenced...
Depends upon the property you want.
BUT, my old aerospace job targeted 67% fiber volume since more decreased strength due to not enough epoxy...
Please give us a link - I'd like to see your proof.
In talking about strip planking you need to compare kayak or canoe sized boats to bigger boats.
Kayak/ canoe will have strips of 1/4 x 3/4.
Please, Please! This was a statement I made lots of times with general agreement from my co-workers.
There is nothing new in human interactions. :D
One thing to think about is that neither subs or aircraft (thinking subsonic commercial planes) are actually tear drop shaped.
Both have a...
Can't help you with the math, but the interference depends upon both the distance between centerline of the hulls, and the width of each hull.
First question is how thick is the foam in the sandwich?
Why is everyone being so negative.
Lots of 28' boat have gone bluewater.
If that is what he wants to do why not help him,...
Fallguy - Farrier is dead.
Search here or on Woodenboat.
There was an extensive thread on this same subject.
There were 4 or 5 reported systems, one on one of the big 60 or...
Sorry to bother you.