To raise the gaff I grabbed both the throat and peak halyard and pulled them together. Once clear of the sand groins and piers, we turned into the light breeze to raise the sails. The positioned mast on those marks to draw a circle. This is a picture of the stern thwart upside down, we found the port-starboard center of the bottom thwart and transferred fore and aft measurement of aft face of mast. I could have disassembled it but I didn't want things to get misaligned during reassembly. Took the thwart out and brought it in the carriage house to transfer that top marking to the bottom face. Then we leveled the canoe port to starboard, dropped in the mast and, set it plumb and vertical, and marked the bottom thwart for a hole on the top face. Used a diamond tile file to ease out the lower forward edge and aft upper edge of the mast hole, until the hole was oblong enough for the mast to be set plumb vertical. Once that thwart was assembled we installed it and dropped in the 1 1/2 inch mast (8 foot closet rod from Lowes), which tilted forward because of the angle of the thwart on the aft rise of the canoe.
Then cut the angled bottom thwart, screwed together with deck screws. In 2000 the Group worked out an agreement with Northrop Grumman to sell the canoes using Grumman name and logo." (See references).Ĭut two 12 inch side pieces and beveled the top edge so they would drop vertical and barely touch the sides.
Shortly thereafter former Grumman executives formed the Marathon Boat Group to produce the canoes.
Outboard Marine Corporation (OMC) bought the division in 1990 and produced the last Grumman-brand canoe in 1996. Designed for the Great Lakes, it measured 22' 3". in 1952, and in 1988 Grumman produced the largest aluminum boat in its history at Marathon. By the end of World War II Grumman was producing a line of 13, 15, 17, 18, 19, and 20 foot canoes. "In the summer of 1944, after portaging a heavy wood and canvas canoe on a fishing trip in the Adirondack Mountains, William Hoffman, Vice President of Grumman Aircraft Engineering, had an idea: What about making a canoe from the same lightweight, stretch-formed aluminum that Grumman had used to become the single largest producer of carrier-based fighter planes during World War II? In 1945, the very first aluminum canoe, a 13-footer, was produced at the aircraft plant in Bethpage, Long Island.
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