The Dumas Cobra is 28" long and has a 9 1/2" beam. The kit is framed and planked with 1/16" x 1/2" and  3/4" strips first then planked a second time with 1/2" x 1/8" mahogany strips. The finish is .06 fiberglass cloth and polyester resin. The power is M.A.C.K. 5045 motor and model 4400 speed control running on two 3000 mah 6 volt batteries in series at 12 volts. The model looks very scale in the  water and moves along at a very scale speed plus some.