Category Archives: Carbon Fiber

Bufflehead with her gunter rig on an oyster bar off the Shell Mound, Cedar Key, FL

From Serendipity to Bufflehead

Sailing Canoes

By Hugh Horton

The cover of Epoxyworks 16 shows Serendipity, the sailing canoe I built for Meade Gougeon on a Bell “Starfire” hull after he had seen me sailing my Starfire-based Puffin in the summer of 1998. The Starfire hull was designed by Dave Yost. Continue reading

Close up of a soft eye pad mounted to the deck of a Bufflehead. The pad eyes Hugh Horton used on the Bufflehead deck were made wtih Twaron™ an aramid fiber. The soft pad eyes are strong yet not as likely as rigid pad eyes to catch a knuckle or a knee cap.

Make Your Own Soft Eye Pads

By Tom Pawlak — GBI Technical Advisor

If you look closely at some of the photos in the Bufflehead article, you will notice small eye pads  (also called pad eyes) in strategic locations inside and outside of Hugh Horton’s Bufflehead. Hugh makes this lightweight carbon fiber or Twaron™ reinforced nylon line eye pads for his sailing canoes.

He glues them onto the decks or inside his sailing canoes—wherever they’re needed to hold supplies in place or hold flotation inside the hull. The eye pads are easy to make and amazingly strong. Continue reading

Zogo, built by French & Webb

Treading Lightly with Zogo

By Grace Ombry

Stephens, Waring & White Yacht Design of Brooklin, Maine, designed Zogo to meet their clients’ concern for treading lightly on their environment. Her owners are longtime summer residents of Stonington, Maine who enjoy low-impact kayaking and rowing around the pristine islands of Merchants Row. They wanted a quiet powerboat with a low carbon footprint to reflect their respect for the waters around Stonington. Continue reading

Bicycle Frame Repair vs Wall Art

The Difference Between a Carbon Fiber Bike Frame Repair and Wall Art

by Randy Zajac

I will start by saying that, in my opinion, most carbon fiber bicycle frames that have sustained damage from an impact should not be repaired—there are too many damaged fibers that are typically unseen. The two repaired frames featured in this article had damage caused by operator error, not impact. The last two bicycle frames are prime examples of parts that should not be repaired for safety reasons. Continue reading

A graphite composite fly rod with all of the guides attached with G/flex to maximize the rod’s flexibility.

Attaching Guide Lines to Fly Rods with G/flex

By Tim Veale

Above: A graphite composite fly rod with all of the guides attached with G/flex to maximize the rod’s flexibility.

Fly fishing, particularly for Atlantic Salmon, has been my lifelong hobby. The fly rod itself has an ancient past but its technical prowess as an instrument to launch line and fly to a designated spot on the river was epitomized by the arrival of handcrafted split bamboo rods in the late nineteenth century. Continue reading

A Quick Fix to a Broken Spinnaker Pole

By Meade Gougeon — GBI Founder

Above: Meade fixes his broken spinnaker pole with a blend of WEST SYSTEM 105 Epoxy and fast curing G/5 Five-Minute Adhesive.

Adagio, our 35′ trimaran, was already off to a bad start in the 100th anniversary of the first running of the Chicago to Mackinaw race with an over-early call by the race committee. Everything went downhill from there when we had to deal with a broken spinnaker pole. Continue reading

A combination square is used to mark the two edges along the entire length of the corner before applying reinforcing fiber tape.

Reinforcing Fiber Tapes

By Captain James R. Watson

Above: A combination square is used to mark the two edges along the entire length of the corner before applying reinforcing fiber tape.

Composites are a blend of resin (in this case mixed epoxy) and reinforcing fiber. Folks often ask, “How strong are they?” It is difficult to answer this question due to many variables including resin type, fiber type, fiber orientation, and resin/fiber ratio. To give a value for a laminate, we reduce the variables. Values shown in this article were done with test samples using WEST SYSTEM 105 Epoxy Resin®/206 Slow Hardener® at room temperature (70°F). Reinforcing fibers are Episize™ materials. Continue reading

Gougeon 12.3 canoes on display.

The Gougeon 12.3 Canoe

By Tom Pawlak — GBI Technical Advisor
Epoxyworks 29

Cover Photo: A small sampling of the Gougeon 12.3 canoe family. Robert Monroe’s cold-molded canoe (foreground) came from a half-mold that eventually resulted in the a 12.3 mold (object directly behind first canoe) which has been used since 1989 to produce dozens of offspring that reflect a wide raged of tastes and technology.

Above: The latest generation of employees and their Gougeon 12.3 canoes.Building a Gougeon 12.3 has become a rite of passage for new employees. 

The Gougeon 12.3 canoe represents several decades of experimentation by employees of Gougeon Brothers, Inc. Dozens have been built but no two are exactly alike. The evolution of the Gougeon 12.3 parallels our love of boating, passion for innovation and desire to build better boats—all of which contribute to the products we produce today.

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project brighter future

Project Brighter World

by John R. Marples

Above: Project Brighter World on demonstration day. The boat performed very well, sailing at windspeed even though it was about 30% heavier (due to the heavy batteries) than the normal sailing vessel design weight. The project was considered a tremendous success.

In early 2007 Impossible Pictures of London, U.K. approached me to participate in a boat demonstration using a Flettner rotor-powered trimaran. They were filming a demonstration for the Discovery Channel’s Project Earth series. Our program would be called Brighter World. Two atmospheric scientists, John Latham and Stephen Salter, had devised the Albedo effect, a way of changing the reflectivity of clouds to deflect some of the sun’s heat, cooling the oceans. It required a flotilla of vessels to seed clouds with small saltwater particles. Our trimaran would be a prototype for this type of vessel. Continue reading

A tapered tube section joined to a curved section.

Building Composite Tubes

With WEST SYSTEM and braided fibers

by Captain James R. Watson

Above: A tapered composite tube section joined to a curved section.

Composite tubes are used on boats for hardtops, T-tops, Biminis, dodgers, bows, bow and stern pulpits, rails, canoe, and kayak paddle shafts, boat hooks, and so on. Composite tubes built with epoxy and reinforcing fibers offer advantages over metal in terms of lightweight, custom shapes and sizes, and corrosion resistance.

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