The Life of Boats

Originally posted on

On my desk in front of me is a copy of the Brooks Boat Company, Inc. catalog for 1930.  

Brooks Boats - Kit Boats 
 Brooks Boat Company, Inc. catalog, 1930

Brooks, based in Saginaw, Michigan, sold boat kits through the mail. It’s a thick, beautiful catalog with black-and-white photos and snappy descriptions.  Kits range from a 9-foot dinghy ($42.50 for the complete kit) to a handsome 40-foot cabin cruiser ($917.50, not including an engine).

Brooks is long gone, but the tradition of boat kits is ancient.  4300 years ago, the Pharoah Khufu was laid to rest with 1,224 pieces of a 143-foot boat, ready to be reassembled when he reached the afterlife.

The first boats built by Europeans in North America were likely built from kits shipped across the Atlantic.  With the "sportsman" movement of the late 19th century came a demand for affordable pleasure boats for the middle class, and the first retail boat kits.

It’s been suggested that the modern idea of amateur boatbuilding, at least for pleasure boats, found its footing during the Great Depression.  Magazines like Popular Mechanics, Popular Science, and boating magazines like The Rudder and Yachting World appealed to boaters of straitened means with articles on how to build their own small boat.  The yachting magazines, in particular, seemed to survive on a steady stream of articles and pamphlets for first-time boatbuilders, and in their margins we find ads for boat kit companies.

The First Big Advance:  Plywood that was good for things besides the bottoms of drawers

Popular Science, 1935 
 Popular Science, 1935
There were several giant advances in the evolution of boat kits.  The first seismic shift was the advent of high-quality plywood after World War II.  Developed for combat patrol craft, plywood that didn’t melt when exposed to water was a boon to the amateur builder.  The hull of a small kit could come out of three or four big swathes of plywood, rather than being pieced together from narrow solid timber planks.  The runabout factory, Chris Craft, leaped onto this advance with a massively popular series of small power skiffs.  Chris Craft claims that between 1950 and 1958 they shipped 93,000 boat kits (!), in 13 different models sized from 8 to 31 feet.

The Chris Craft kits were a big advance over the plank-on-frame Brooks Boat Company kits, but there was still a lot of tricky joinery.  In the days before modern adhesives, you screwed the plywood panels over wooden frames with some putty to keep the water out.  This worked until the putty dissolved, whereupon the boat would start leaking, and pretty soon the boat itself would dissolve.  (Almost none of the 93,000 boats survive today.)

The Invention of Stitch-and-Glue

The next big advance was the invention of “stitch and glue” construction.  The term is an odd one, but it changed everything for amateur boatbuilders.  In England, in the late 1950’s, a man named Ken Littledyke cut out some plywood panels, stitched the edges of the panels together with fishing line, and reinforced the seams with putty made from polyester resin.  Polyester resin is what holds together most fiberglass boats, and Ken’s plywood kayak was just as stiff and strong as a fiberglass boat.  Coated with fiberglass, it seemed to hold up as well as the solid fiberglass boats, too.  His friend Jack Holt used this process of stitching plywood panels together---substituting copper wire for fishing line---and then gluing them with strong adhesives for a new design called the Mirror Dinghy.  Subsequently more than 70,000 Mirror Dinghies were built, and amateur boatbuilding has never been the same.

The Chris Craft kits relied on a fairly intricate framework of solid timber, to which a skin of plywood was fastened.  The framing was no joke to cut and fit---there were curves and angles that could, and did, defeat a lot of amateur boatbuilders.  Get the fits wrong and your plywood boat might leak like a colander.  Stitch-and-glue largely disposes of the framing, or any need to fit things carefully.  In stitch-and-glue, the plywood skin is itself a “monocoque” structure, reinforced with fiberglass that carries most of the loads.  If your plywood parts don’t fit perfectly, you simply trowel on more putty to close the gap and get on with it.

Epoxy:  We All Get Sticky

The third huge advance in amateur boatbuilding came in the form of epoxy adhesives and coatings, which trickled out of the aerospace industry in the 1960’s.  Many times stronger than polyester resin and putties, it allowed more graceful structures with even less traditional framing than before.  If mixed correctly, epoxy will conceal grave sins of woodworking joinery:  just get two pieces of wood in rough proximity to one another, fill the space between with plenty of epoxy, and you have a structure with strength properties rivaled only by steel---but much lighter .  By the 1980’s, there were boat kits that contained not a single stick of solid wood:  they were nothing but sheets of plywood joined at their edges by epoxy, often as sculptural in appearance as they were functional on the water. Epoxy made it possible.

Computers for the People

The final major advance that benefits all amateur boatbuilders was the widespread adoption, in the 1990’s, of computers in the design of small boats, and the computer-aided manufacture of boat kits.   Given the lightweight, ultra-high-quality marine plywood now available, and space-age epoxy adhesives to hold things together, it took computers to free boat designers to create designs of remarkable sophistication that were easier to build than anything that had come before.

Whereas boat designs intended for amateurs were often overtly clunky in appearance, now they could be as sleek and elegant as anything a professional could turn out.  Assembly is closer and closer to a snap-together airplane model.  And coated in fiberglass inside and out, modern boat kits can last forever with minimal maintenance.

Chester Yawl from a Kit



 This Whitehall-style kit boat, a Chester Yawl by CLC, was designed on a computer, cut out on a computer, and assembled by an amateur boatbuilder.

Stitch and Glue Night Heron Kit


Computer-designed stitch-and-glue kayaks, like this Night Heron by Nick Schade, are easy to put together but as elegant as any boat design ever set to paper.




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