My wife Laura's 16' trimaran with 84 sq.

ft. sail on a homemade unstayed mast.


Welcome to...



A Web Site For Do-It-Yourself 

Small, Homemade Trimarans


Presented by "Dr. Frank" Smoot, and

dedicated to DIY boatbuilders everywhere!


My 16' trimaran No Commotion with its

optional 124 sq. ft. rig from a Laser II.



Florida's "Sunshine Coast"

is small boat heaven!



What's On This Site:

1. Why I have come to believe that small trimarans are the only way to go. [click here]


2. A Brief History of the 15 or so homemade boats and rigs I have build over the past two years [click here]


3. Our first "trimarans"- made from kayaks (includes construction photos). click here


4. Building our first "real" trimaran: the tandem rig (includes construction photos).  click here


5. Building the first lightweight, single-seater trimaran, "No Commotion" click here


6. Building Laura's 65-lb "ultralight" trimaran - see 50 construction photos! click here


7. The Amazing "Planing Amas"- see 40 photos! click here


8. No Commotion Gets A Slick New "Sliding Aka" System! click here


. Building Laura's "Ultralight" Trimaran - Page 1


- Photos 1-10 -


[There's a total of 50 construction photos, with 10 photos per page.]


Length (LOA) = 15' 10"       LWL = 15'7"       Beam (OA) 12' 4"

Beam (hull) at sheer = 22"                   Beam (hull) at waterline = 22"

Max hull height = 18"               Flotation depth full loaded = < 4"

Length of amas (floats) = 11'10"        Weight of amas = 23.5 lbs each

Weight (hull only) = 65 lbs.           Weight fully assembled = approx. 135 lbs



1- Just attached the sides at stem and transom, and installed (mostly) temporary bottom framing.


2- Same stage, different angle...


3. Rear quarter shot -- hull is still upside down...


4. First chine strip is installed...


5. Bow shot of starboard chine strip...


6.  Stern view of same shot...


7. Both chine strips installed...


8. Longitudinal strips were screwed to hull to minimize unwanted bending during planking.


9. Ready for bottom plank to be installed.


10. Bow quarter view with all planking installed...


(To see photos 11 through 20, please click here.)



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