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Encyclopedia > Stitch and glue

The terms stitch and glue, tack and tape, and stitch and tape all refer to a construction method used by many amateur boat builders.

Contents

History

The stitch and glue method was developed by woodwork teacher Ken Littledyke for the manufacture of canoes, using plywood panels joined by fiberglass tape and resin. The technique was then popularised by the first TV DIY expert, Barry Bucknell, in about 1964 (in fact, Barry Bucknell invented the term DIY, making him, by definition, the first DIY expert). The method was adopted, substituting copper wire ties rather than fishing line as in the early Littledyke examples, for the construction of the Mirror Dinghy. The Mirror is so named because the design was sponsored by The Daily Mirror newspaper, a fact reflected by the historically red sails. The Daily Mirror apparently wanted to bring cheap sailing to the masses. As such, unlike other construction techniques of the day, which required specialist skills and tools, Stitch and Glue was supposed to put boat-building within the reach of the average public. A wood-and-canvas canoe evokes the heritage of canoeing in North America. ... “TV” redirects here. ... See also: DIY Network, a cable TV network. ... Barry Bucknell (January 26, 1912–February 21, 2003) was a BBC TV presenter who played an important role in popularising DIY (do it yourself) in Britain. ... 1964 (MCMLXIV) was a leap year starting on Wednesday (the link is to a full 1964 calendar). ... A Mirror on Combs Reservoir in Derbyshire The Mirror is a highly successful pram dinghy, with more than 70,000 built. ... Alternate newspaper: The Daily Mirror (Australia) The Daily Mirror is a popular British tabloid daily newspaper. ...


Stitch and glue is similar to a traditional form of boatbuilding from northern Europe, particularly Lapland, called sewn boats. It is not known if Littledyke's development of the stitch and glue methods was influenced by the sewn boat technique. World map showing the location of Europe. ... National anthem Sámi soga lávlla Languages Sami, Norwegian, Swedish, Finnish, Russian Area ca. ... The sewn (wooden) boats are a boat or ship model used in Northern Europe, clinker built but held together with tendons or roots. ...


Technique

The technique basically consists of literally stitching together plywood panels with some sort of wire or other suitable device, such as cable ties or duct tape. To join, the cut panels are drilled with small holes along the joining edges, and short pieces of wire are threaded through the holes and twisted together to bring the panels together. Once together, the join between the two pieces is glued and commonly fiberglass taped over (on the inside of the hull). Toy constructed from plywood. ... Baling Wire, otherwise known as farm wire or soft wire, is primarily used in an agricultural setting for everything from mending fences to manually binding square bales of hay, straw or cut grass. ... Two cable ties, one open and one closed A cable tie ( also strap, rat belt, mouse belt, tie wrap, or zip tie) is a type of fastener, especially for binding several electronic cables or wires together, and to organize cables and wires. ... A piece of transparent duct tape, left, and of silver duct tape, right. ... An adhesive is a compound that adheres or bonds two items together. ... Look up Tape in Wiktionary, the free dictionary. ...


On the outside of the hull, thickened epoxy glue is commonly used to close the joint between abutting plywood panels. When the glue is dry, the wire can be removed to leave a smooth outer join; the holes are then filled and sanded over.


Usually, the outside of the joint can be taped and glued as well, providing additional strength. The combination of fiberglass tape and epoxy glue results in a composite material providing an extremely strong joint. Bundle of fiberglass Fiberglass (also called fibreglass and glass fibre) is material made from extremely fine fibers of glass. ... In chemistry, epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and crosslinks) when mixed with a catalyzing agent or hardener. Most common epoxy resins are produced from a reaction between epichlorohydrin and bisphenol-A. The first commercial attempts to prepare resins from epichlorohydrin occurred in 1927 in... A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials (or composites for short) are engineered materials made from two or more constituent materials with significantly different physical or chemical properties and which remain separate and distinct within the finished structure. ...


True stitch and glue designs generally have few bulkheads, relying instead on the geometry of the panels to provide shape, and forming a monocoque or semi-monocoque structure. Bulkhead may refer to the following: Bulkhead (partition), a wall within the hull of a ship, vehicle or container Bulkhead (barrier) Bulkhead line See also: Flatcar Bulkhead Category: ... Monocoque (French for single shell) is a construction technique that uses the external skin of an object to support some or most of the load on the structure. ...


Spread of the technique

Stitch and glue has become one of the dominant techniques in amateur boatbuilding. While the use of relatively few plywood panels (which minimizes the joints and makes the construction easier and faster) limits the shapes possible, the simplicity and low cost of the stich and glue technique makes it the method of choice among most amateur boatbuilders. Simple software CAD packages are available for designing stitch and glue boats, and there are many Internet bulletin boards, newsgroups, and mailing lists dedicated to the subject of stitch and glue boats and various popular stitch and glue designs. Look up amateur in Wiktionary, the free dictionary. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... “CAD” redirects here. ... Look up bulletin board, notice board in Wiktionary, the free dictionary. ... A newsgroup is a repository usually within the Usenet system, for messages posted from many users at different locations. ... A mailing list is a collection of names and addresses used by an individual or an organization to send material to multiple recipients. ...


The one sheet boat

The one sheet boat, or OSB, is an outgrowth of the stitch and glue technique. The OSB is a boat that can be built using a single sheet of 4 foot by 8 foot plywood (1.22 m × 2.44 m). Some additional wood is often used, for supports, chines, or as a transom, though some can be built entirely with the sheet of plywood. OSBs tend to be very small, since the displacement is limited to a theoretical maximum of about 1500 lbs (680 kg), based on the largest hemispherical shape that could be formed with the same surface area as the sheet of plywood. As forming a hemisphere is possible (see geodesic dome) it is not practical, and most designs have maximum displacements of under 1000 lbs (450 kg), and practical displacements only large enough for a single person. One of the more unusual, yet practical OSB designs is "the Dug"[1], an 18 foot (5.4 m) long canoe that can be built entirely from one sheet of plywood. One of the more popular OSB designs is the Mouseboat by Gavin Atkin. The hull of the Mouseboat can be built with a single sheet of plywood, and many variants have been created. The Mouseboat is described by the designer as an open source design; the plans are freely available, and builders are encouraged to experiment with the design and share the results with the Mouseboat community. Traditional rounded hull (A), compared to a hard (B) and soft (C) chine hull A chine in boating refers to a relatively sharp angle in the hull, as compared to the rounded bottoms of most traditional boat hulls. ... Transom (probably a corruption of Latin transtrum, a thwart, in a boat; equivalents are French traverse, croisillon, German Losholz) is the architectural term given to the horizontal lintel or beam which is framed across a window, dividing it into stages or heights. ... Spaceship Earth in Epcot Center at Walt Disney World is perhaps one of the most famous examples of a large scale geodesic sphere. ... A wood-and-canvas canoe evokes the heritage of canoeing in North America. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ...


External links

  • A brief history of the Mirror Dingy, including the development of the stitch and glue technique
  • A photo diary of stitch and glue building
  • A detailed series of photos and information on stitch and glue building
  • Hull Designer, Carlson Design's freeware software package for designing simple stitch and glue hulls
  • Boatbuilding: A Stitch and Glue Tutorial
  • Boatbuilding: Stitch and Glue Tutorial, tips and tricks, etc.
  • One Sheet Boat Theory, at Hannu's Boatyard
  • Gavin Atkin's Mouseboat plans, hosted at Duckworks Magazine.
  • http://www.boatbuilder.org./ Joel Mill shares his experience in Stitch & Glue gained at Devlin Designs in the Pacific North West.

  Results from FactBites:
 
Boat building - Wikipedia, the free encyclopedia (1625 words)
Rot resistant woods such as cedar and oak are generally selected for wooden boat construction.
Glue, screws and/or nails are used to join the wooden components.
Some types of wood construction include carvel, in which a smooth hull is formed by wooden planks attached to a frame.
Stitch & Glue Photo Journal (9738 words)
This left a nice open 'v' to later fill with syringed epoxy to glue the seam and then sawdust thickened epoxy to fill the 'v' with a miniature fillet to ensure the seam was strongly bonded.
Temporarily stitched the deck to the bow to figure out where the cockpit would be placed (from the drawings the front of the cockpit is 7' 11 1/2" from the bow).
Used this fill the seams between the stitches and plastered that around areas where there were gaps and filleted the temporary 'T' overhang around the stern to hold things together.
  More results at FactBites »

 
 

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