The photo above is a Twiggy Mk1 from France

This presentation documents the construction of a modified version of Lock Crowther's famous Twiggy Mk 2 trimaran

Monday, March 18, 2019

Rudder blade completed


grey pigment in final epoxy layers,
bottom paint will come later,
4 layers of 6 oz fiberglass cloth,
weave filled with epoxy and microballoons

Wednesday, January 30, 2019

Tuesday, March 27, 2018

Rudder Blade

Rudder Blade
 clear cedar boards, 1-11/16" x 2-3/4" x 54"
epoxy glued with alternating cross grain
 before assembly, each board was tapered from waterline to tip,
every board has different taper based on the plan tapered foil section,
when assembled they form the approximate foil section shape,
this reduces the amount of material to be removed by planing 
 end view from aft
 aft perspective
 fully assembled
 assembled and the perimeter is trimmed
 aft view, ready for planing and sanding
forward view ready for planing

Monday, March 26, 2018

Daggerboard

Daggerboard construction


clear cedar boards 1.5" x 3.125" x 8ft
epoxied together with alternating cross grain
- note that before gluing the portions below the keel near 
the leading and trailing edges have been cut down close 
to the final foil thickness for each board, 
to minimize planing to the final shape

Wednesday, November 29, 2017

fairing the glass/epoxy sheathing




 hull coated with epoxy and phenolic microballoons,
and wet sanded with 80 grit on the agony plank
 bilge area recoated with neat epoxy after sanding


Monday, July 31, 2017

Filling the cloth with epoxy

 1st epoxy coat applied with 10" window sqeegee
coats 2 and 3 applied with 3mm foam roller to fill the cloth weave