Sea Grape

Owner: D.G. Post

Area: USA

Hull

Dinghy. Construction: Plywood.
Built 1981 by Dan Post
LOA: 8' 0", Beam: 2' 10", Draft: 10' 0",
Wheel steering. Varnished. Max speed 3.5 kt, cruising speed 2.5kt

Boiler

Built 1981 by Coles Power Models
Fuel: wood (3 lbs/hr), Pressure: 120 psi, Grate area: 0.131 sqft, Heating area: 2.08 sqft, Output: 8.5 lbs/hr,
¾" x ¾" hand fp. 5' economiser around firebox 6" dia x 12" high. 54 .3/8" copper tubes 7" long. Waterleg around firebox.

Engine

Single. 1 1/4" X 1 1/4"
Built 1976 by Will Jennings
sv valve. 1/3 ihp at 650 rpm

Propeller

3 blades, Right Hand, 7" X 10"

History

Possibly the smallest person-carrying steamboat in the world. Engine and boiler mounted on removable base.

Last Modified: 2014.11.04.