INVENTORIUM: CANARDWINGS

CANARDWINGS

This is a variation of the famous Paperang.

Step 1You need a sheet of A4 paper 70~80gm

First print out this trailing edge curvature for the wings.
You may also want to experiment with different curvatures.
After printing, cut along the curve line, set it aside. It will be used for tracing onto the actual glider.

Use a fresh sheet of A4 paper, place it on a table with the long side towards yourself.
Fold in half, aligning the edges as accurately as possible. Crease the fold.
Fold paper in half

Bring point (A) to the folded edge, forming a triangular flap.
forming the first flap

Crease the fold and repeat on other side, then flip over.Folded triangle flap

Fold up (B) to meet the angled edge.
Fold up (B)

Next fold point (C) up to meet the edge.
Fold up (C)

Cut the folded center according to the photo below, use a sharp razor for a neat cut:
Cut the folded center

Cut from the top of triangle...
Center fold cut

Fold down the flap made possible by the cut center fold.
Repeat fold on other side and flip over again.
Fold down along cut center

This photo shows both sides folded down...ready to trace the printed curvature on the trailing edge and cut the curve.
Both side folded down

Now take the template from the previously printed trailing edge curvature and trace it to the wings as shown. Next cut out along the curve line forming the trailing edge. Do this by holding the folded sheet firmly and cut as close to the curvature as possible. When opened up, you will get identical curved wings on both sides.
Trace and cut trailing edge

Now use the razor and cut the center fold as before, but this time only HALF of the length as shown by the RED line in the previous photo. This cut allows 1 final fold to the leading edge, it also stiffens the wings and gives the right aspect ratio.
Cut center fold again

This photo shows the exposed view of the center fold being cut halfway.
This cut will allow the final fold for the leading edge of the CanardWings.
cut center fold halfway

Now to fold the canards. Just fold it along the folded center fold, crease and unfold, repeat on other side and flip over:
Folding the canards

Fold the right edge to meet with the center fold.
Then fold the whole folded canard to the left again, repeat on other side.
Fold in the canard

Now spread open the center fold, this is what you should get:
Spread it open

Next carefully align the spread wings and canards centrally, staple ONCE across the center fold.
Staple it...

This is a shot from underside, your almost finished CanardWings should look like this.
The stapled is bent slightly to create a dihedral and the staple retained the shape well. The degree of angle of dihedral plays an important role on the flight characteristics of the CanardWings. Experiment and have fun.
A view from under side

Slightly bend UP the trailing edge. This creates a foil that gives the wings lift.
Bend up the trailing edge

The CanardWings was launched from the 17th floor. The distance travelled was roughly 60~80 meters then caught the wind and was blown back a bit.

It flew to the left and was hidden was a few seconds and then came back into view, appearing on the left screen again, flew across the street towards the opposite apartment block and was blown back. It finally landed on the top deck of a multistorey carpark.

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CANARDWINGS

Step 1You need a sheet of A4 paper 70~80gm

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