Traditional copper cut nails are used with matching copper roves to form a copper rivet. These nails are extremely robust, easy to drive and when the wood fibers become damp and swell, will never work loose.
Copper roves are slightly conical washers. A copper nail is hammered through the joint, a rove is pushed over the end (concave side inward) and the nail is peened over to form a copper rivet.
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Rove OD (inch)
Fits Nail Gauge
Riveting is a matter of through nailing two pieces of wood, slipping a washer over the pointed end of the nail, pushing it down the shank against the wood and then nipping off the excess nail leaving just enough excess to peen over the washer to lock it tight.
All copper riveted connections are made using two parts: nails; called the "rivet" and washers; called "burrs" or "roves". The rivets are generally just copper common nails; however, European boat-builders generally prefer the conical head and square shank of the Rose Head Boat Nail. Either way, the nail goes into the slightly undersized pre-drilled holes and through the pieces of wood to be joined. A burr with a slightly undersized center hole; to provide an interference fit, is then placed over the nail point to be driven down the nail shank. At this point you will need a Rove Set tool. We offer one here but you can make your own with a piece of rounded hardwood or a 1" hardwood dowel about 6" long. Drill a hole in one end, on center into the end grain deep enough to accommodate the exposed length of nail and size it slightly larger in diameter than the nail shank, and now you have a Rove set.
A heavy back-up tool is required to "buck-up" the head of the nail prior to setting the burr and forming the completed connection. We offer a heavy (4) pound hammer with a short handle suitable for this application.
Now, to make the copper rivets connection, first tap the nail through the pre-drilled pieces of wood to be joined and back-up the head with the "buck" hammer. Next, place the burr over the nail and drive it down the exposed nail shank using the rove set tool applying light taps from a hammer. The burr should seat firmly against the wood. Using a set of diagonal cutters nip off the excess nail leaving about a nail diameter in length beyond the burr to peen over. Holding the "buck" hammer hard against the nail head, take a lightweight ball-peen hammer (STN-54016) and start tapping with the flat end to mushroom over the cut nail stub.
Finally, use the rounded end of the ball-peen hammer to tap the mushroomed stub around the edges forming the end to locking down the burr and drawing up the connection.
MET / STD:
THE DIAMETER OF MY COPPER NAILS IS 1/8". I NEED THE DIAMETER OF THE ROVE TO BE 1/8". WHICH SIZE ROVE SHOULD I ORDER?
It depends on the nail. That dimension doesn't match standard nail gauges. It will be either a 5/8" or 3/4" Rove.
What is the difference between a Rove and Burr?Is there a difference when using Sq cut and round nails?
Bill everything wood
I have worked with the copper nails & rove and had very good results. A rovepunch will be needed, I made one from a 1" round dowel & round woodencabinet door pull. Too peen the nail I used an air driven palm-hammer. Iliked the design of the rove in that the edges set into the wood, I have notused the burr or the square nail.
Roves are dish or cup shaped and burrs are flat washers. Roves tend to be larger in outside diameter for the same inside hole diameter.Fundamentally there are only small differences between round and square cross sectional area. Square nails fit into the hole more tightly if the distance across the flats is used to size the predrilled hole. The squar
Roves are dish or cup shaped and burrs are flat washers. Roves tend to be larger in outside diameter for the same inside hole diameter.Fundamentally there are only small differences between round and square cross sectional area. Square nails fit into the hole more tightly if the distance across the flats is used to size the predrilled hole. The square corners engrave the wood and the rove.
Roves are convex, not flat as a burr. A burr is just a flat washer. They are both used with round nails. I do not know if they should be used with cut nails
HiStart with the nail, square or round, round first, they are called 'plainround nails' when planking a hull its done, it has to be done quickly withjust one pilot hole drilled, as the planks are bent round the hull they putstress on the frames. If you try to rivet the nails it would take time todo so unfair stress unequal on either side would occur. If you want to bequick about it, you would not rivet this nail and it would be short and notcome through the frame, it just locates the plank on the frame in positionso the riveting can take place at your leisure, to make that more sure tohold the plank you Burr the nail, similar to a barb on a fish hook, it willnot or be difficult to remove the nail. Round nails are easy to make anduse, also putting a barb or barbs on it.2nd Square nail, a round hole is drilled in the plank as before, but thisnail is square and will not go through the hole ie. a 1/4" square nail isdriven into a 1/4" round hole, compression on the corners deform the woodand acts like a clamp on the nail, this nails pilot hole allows the nail tobe driven right though the plank and frame in one go, ready for riveting.Rove is the washer, it has a tiny hole about 1/16" in the centre, and isshaped like a satellite dish, you locate that on the nail end inside, andwith someone holding a heavy sledge hammer to stopthe nail coming out, a special tool and clever man with a hammer force therove 1/16" hole down the 1/4" square nail, this is called setting the rove,the nail is then cut off about a 1/4" above the rove which has gripped thenail very tight, again a man outside places a weight on the nail head andthe clever man hammers the end inside forming the rivet rose shape.The quickest and cheapest way (work boats) was to just hammer a plain roundnail through a pilot hole and just hammer it over into the frame inside noburrs no roves.Roy......a Liverpool England sailor manMy boat 82 years young, used plain round to locate all planks, 18 eachside. This took 4 hours only, pilot holes were then drilled and one squarenail was roved and riveted in each plank on each frame. 26 frames. thistook 2 weeks but produced a very fair hull shape. yacht Guiding Light, 1936Gauntlet Class Marconi rigged 12 ton Cutter
Dose the copper nail and rove come in the same box or do they have to be order each ? How long are the nails?
Nails and roves are sold separately. Be sure to match the rove ID with the nail gauge. Nails are in various lengths.
JD Tech Team
This was just what I needed it made the project look origina
This was a restoration of a old dingy the copper made the look come together
I have to enlarge each hole in order to drive my nail through them.