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Step 8Making the Frame 3
Next we are going to make the wing formers.
Make four rings from the wire. Mine are about 1/7 or 1/8 of the depth of my wing in diameter, but it will depend on the type of wing you are making. Measure the depth of the bony leading edge from the picture you are using as reference. I exaggerated the diameter of mine slightly for effect.
Picture 1 shows the rings in place on the shorter spar and the inside end of the longer spar. Fasten the first two at either end of the short spar, the third at the inside end of the long spar and the fourth a quarter of the way along (a quick way to work this out is to take a piece of string the length of the spar and fold it half twice). Position them with the bamboo inside the rings and glue and bind them tightly like you did with the hinge.
The two rings on the left in the picture have wire struts to stop them from rotating under the tension of the material we will apply to them. Hold a piece of wire against the ring and the bamboo to estimate how much you will need to make a strut which runs at about 45 degrees to the spar. Allow about 1 and 1/2 inches extra for attaching it at either end. Cut it off with the wire cutters. With the pliers wind one end around the top of the ring once then glue the other end securely to the top-side of the shorter spar (see picture 1). I glued a small square of material over the end for reinforcement. You might need to prop it whilst it dries to stop it falling off.
Next make 2 snail-shaped pieces of wire as shown in picture two. The length of the snails' bodies depend on the depth of your wing at the points halfway and 3/4 of the way along the longest spar; also check the diameter of the leading edge to give the size of it's shell. Notice in picture 1 that the 2 snails are different sizes to allow for the wing tapering towards it's tip. Knock off 5 inches to allow for feather overlap later on. Take measurements from your reference picture, remembering that we have knocked five inches off the length of the wing to give the length of the spar. It doesn't matter if you don't calculate these points exactly as long as both left and right wing use the same measurements.
Bind the snails to the frame in the same way that you did with the rings.
Check out my moulded earplug company website at www.zenplugs.co.uk. I've developed a new technique for making moulded swimming earplugs, sleeping earplugs and snoring earplugs.
Make four rings from the wire. Mine are about 1/7 or 1/8 of the depth of my wing in diameter, but it will depend on the type of wing you are making. Measure the depth of the bony leading edge from the picture you are using as reference. I exaggerated the diameter of mine slightly for effect.
Picture 1 shows the rings in place on the shorter spar and the inside end of the longer spar. Fasten the first two at either end of the short spar, the third at the inside end of the long spar and the fourth a quarter of the way along (a quick way to work this out is to take a piece of string the length of the spar and fold it half twice). Position them with the bamboo inside the rings and glue and bind them tightly like you did with the hinge.
The two rings on the left in the picture have wire struts to stop them from rotating under the tension of the material we will apply to them. Hold a piece of wire against the ring and the bamboo to estimate how much you will need to make a strut which runs at about 45 degrees to the spar. Allow about 1 and 1/2 inches extra for attaching it at either end. Cut it off with the wire cutters. With the pliers wind one end around the top of the ring once then glue the other end securely to the top-side of the shorter spar (see picture 1). I glued a small square of material over the end for reinforcement. You might need to prop it whilst it dries to stop it falling off.
Next make 2 snail-shaped pieces of wire as shown in picture two. The length of the snails' bodies depend on the depth of your wing at the points halfway and 3/4 of the way along the longest spar; also check the diameter of the leading edge to give the size of it's shell. Notice in picture 1 that the 2 snails are different sizes to allow for the wing tapering towards it's tip. Knock off 5 inches to allow for feather overlap later on. Take measurements from your reference picture, remembering that we have knocked five inches off the length of the wing to give the length of the spar. It doesn't matter if you don't calculate these points exactly as long as both left and right wing use the same measurements.
Bind the snails to the frame in the same way that you did with the rings.
Check out my moulded earplug company website at www.zenplugs.co.uk. I've developed a new technique for making moulded swimming earplugs, sleeping earplugs and snoring earplugs.
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