Kayak Paddle Plans

June 1, 2016
Using a draw knife to do bulk

Many thanks to VOLKSKAYAK designer Gerry Gladwin for allowing me to share his idea and the diagram with others who want to do it for themselves.

I hope the instructions below will be helpful in making a simple, light, cheap sea kayak paddle that’s very serviceable. We’ve been using three of these for several seasons now, and apart from some cosmetic damage, have had no problems with them. The cost is under $25 per paddle. I can get one done to the “finished with the epoxy work” stage with about a day’s work. Our paddles weigh a little under a kilogram; mine’s 950gms., while the one my wife made for herself is 970 gms..

SHAFT

The paddle shaft is made from a square piece of spruce. The recommended thickness is 1.5” to 1.75″., with a usual length of eight feet. A standard 2×4 is actually 1 5/8″ in thickness, which fits nicely. Local sawmills are a great source of full 2″x2″ blanks; they’ll sometimes keep an eye open for good shaft blanks if you ask nicely and offer a small bonus per stick.

If there are no sawmills near you, hit your local lumberyard, and start picking thru the 2×2, 2×4, 2×6, etc.. Look for a piece that will let you rip a 2×2 blank out of the lumber. The section you’ll use must be knot free, with straight grain and no serious warps. Various hardwoods can also be used, but they’ll be heavier and many are much harder to work.

Before starting any whittling on the shaft, you’ll have to make some decisions; whether you want a straight or feathered paddle, and if feathered, whether you use right or left hand control, and blade length. I use right hand control – that is, I grip the shaft and ‘spin’ it with the right hand, and allow it to rotate freely in the left. The attached diagram shows the blade seat locations for a right hand control paddle with a 90 degree offset.

Next, determine how long you’ll want the blade to be – mine, which are relatively slender, are about 22-23″ long. (The attached diagram shows the layout for a 20″ blade). Mark this length clearly on the shaft blank where the blades will be seated – you want as much surface area here as you can get. I usually cross-hatch it with a pencil, so I don’t accidentally stray into the section where the paddle will be seated while planing down the shaft blank.

TRIMMING THE SHAFT

Now you can start trimming the shaft. Use a marking gauge set to about 3/8″ to draw lines along both sides of the four corners – eight lines in all. Be careful not to disturb the blade seat area – again, I mark ’em with pencil cross hatches. Use a small block plane, or a spokeshave, to take the corners down to these lines – now it’s eight-sided – working by hand and eye, make it 16, 32, etc. – the idea is to make it ever rounder without cutting significantly into the shaft thickness. Test for strength and flex occasionally by placing the shaft end on the floor, and leaning on it. You can then do the rough sandpaper, medium paper, fine paper, finer paper thing until the desired smoothness is reached. While working, you can rest the shaft against a wall, or use a wall bracket to support one end. I’ve also clamped it in two vices, one each end – whatever works, I guess.

TRIMMING THE BLADE SEAT AREA

To start cutting out the blade seat area, the first cut is a long taper on each end, on the back side(opposite the blade seat as it faces you). Start it at the inboard end of your blade length, and continue it down to the outboard end of the shaft, leaving about 3/8″ to 1/2″ of wood at the tip. You can use a jigsaw, or plane it down.

Curved vs. straight blade

Again, your choice. If you like ’em curved, pick a curve you like, and mark it on the wood. Make sure the marked curve touches the outer end of the shaft’s front side (facing you) where the blade seat will be cut, so that the whole curve is cut into the blade seat area, and the blade’s outer tip will be in a straight line with the shaft itself. Draw your curve, and then draw another parallel to it about 1/2 to 3/8 of an inch behind it.

Then cut the marked curve you want into the front face of the blade seat area, using a jigsaw. Starting at the outer end, cut the front side curve back into the shaft’s blade seat area, curving back up to the shaft’s front surface the same length in from the shaft end as your blade length. Repeat on the other end. The backside curve can then be faired to it’s line with a spokeshave or plane.

Source: www.paddlinglight.com
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