Critical Twist

An i550 built by Jon Raymond of Polson, Montana, homeport for Critical Twist is Dayton, Montana on Flathead Lake. The i550 is a Stitch and Glue Sport Boat designed with simplicity as a goal. Displacement is 800 pounds, upwind sail area 240 sq. ft, asymetrical spinnaker for downwind planing, lifting keel with a bulb for trailering.

From the Community

Boat Launchings

Boat Launchings


Intro to Boatbuilding Semi Dory

I was gifted tuition to the WoodenBoat School for my 40

Boat Launchings


The build was started in 2009 by Dr. David Likely of Dorn Ridge N.B.