Build a homemade Revolution 1.5 kite by Punk sportif

Punk Sportif, also known as Gaëtan, wrote this tutorial in 2008 for pilots who wanted to build their own Revolution 1.5-style kite.

Read the full tutorial once before cutting fabric. Several choices only make sense when you see how the later steps fit together.

Punk Sportif got hooked on quad line kites around 2008. He has built several Revolution kites. He has helped many kitefliers progress and build their first kite. In particular, he has written this building tutorial, a beginner’s guide to flying kites, and created the RDV Kite website. His contributions can still be seen on the Aufilduvent and Cerfvolantservice forums.

The rest of this page keeps Punk Sportif’s original guidance, with light formatting for readability.

For gear, the Cerf-volant service store sells packs containing all the necessary equipment. If the packs contain double-sided tape, I wouldn’t recommend using it. It can block the thread in the needle eye. To overcome this problem, you need to put a drop of oil about every 10 cm of stitching. Quite restrictive.

If you plan to make several kites, it’s best to buy the materials in bulk.

Well, as I’m not going to redo what I’ve been inspired by, here’s the link to the Revolution dimensions I followed:

Sail plan
Plan of the bridle

To decide on colors and paneling, a drawing program may be useful:

Panelling drawing with drawing software

You can then print to scale 1 and assemble to make your own patterns. If you have a stock of calendars, you can cut your own patterns from them. As for me, not trusting my printer, I printed at 1/10 scale and took the dimensions from the wallpaper I had under my arm:

Drawing the paneling with drawing software

As my rev paneling is symmetrical, I only made a half-wing pattern. When cutting the spinnaker, don’t forget to add 8 mm to the panels for sewing. The lighter panel will take the 8 mm and be positioned below the darker spinnaker. Use a ruler as a guide when cutting on a flexible material. I had lino on hand. This avoids cutting with scissors, which doesn’t produce a straight, clean cut. To cut the icarex, use a cloth to plate it with static electricity and remove any dust that is attracted. Then trace the patterns with a pencil.

Personally, I don’t find it easy to cut this material, and I’ve even made a few mistakes (the guide ruler slipping while cutting, the spinnaker sliding…). Having two people to do it can be a plus.

Before cutting, place weights all over the spinnaker to prevent it from sliding.

Don’t forget to change the cutter blade regularly, to make cutting easier.

Back view of the sail.

If you look at the photo above, you’ll understand the story of the lighter spinnaker under the darker spinnaker for sewing (you’ll see below that this effect is no longer visible at all from the front, and that the sail corresponds well to the pattern).

You’ll notice that I made a mistake when cutting my purple lightning bolt: there’s no material for sewing on the tips of the lightning bolt. Before sewing on the wing, we assemble it with glue (basic, solvent-free glue). We don’t use tons! After that, the glue spills out, and it’s messy. So really, go easy on the glue, just to make it easier to sew. By the way, if you’re a daredevil sewing pro, you can skip this step. The type of stitching used is 3-stitch zigzag. The distance between two zigzag / stitches is 1.5 cm. Adjust the thread tension carefully, otherwise it will curl the spinnaker. Do a few tests on spinnaker offcuts to adjust the machine before you start. The needle used is a 90 cuire.

Depending on the paneling, you can sew half-wings or the whole wing at once.

Cut a strip of dacron 6 cm wide and approx. 235 cm long (you’ll need to trim any excess later). For the mesh, 235 cm long and 5 cm wide. Fold the dacron in half lengthwise (pinch the fold), then glue 1 cm of mesh to the dacron. Spread with your fingers and, once again, go easy on the glue. Don’t fold the dacron over, because if the glue drools, you’re likely to have problems getting the carbon in later.

Preparing the leading edge

Next, we cut 3 pieces of dacron to accommodate the bungees or bridle. 3.5 cm wide and 14 cm long. You may or may not glue these pieces to the dacron before sewing. For the measurements, since you’ll need to cut off the excess at the ends, we’ll start from the center.

Add the 3 dacron pieces: center piece and 2 pieces for the vertical carbon attachment.
Center piece
One of the 2 pieces for the vertical carbon attachment

The holes for the bungees and bridle are made with a soldering iron (a heated nail can also do the trick). Then glue 1 cm of mesh to the back of the wing and sew. Finally, trim off the excess at the leading-edge ends. Normally at this stage, the kite begins to take shape in earnest. We add pieces of dacron (the gray pieces on the plan) to the ends of the kite to reinforce it, onto which we’ll sew webbing.

One of the kite tips

For the kite tip, dacron is sewn onto the front. On the back, we sew a piece of webbing to hold the bungee. The two dacron pieces at the ends of the leading edge are on both sides of the sail, going around the leading edge (as for the center pieces).

And don’t forget the small piece of dacron at the top of the trailing edge.

Since I am rarely ultra-precise when measuring, I adjusted the size of the carbon. The Skyshark carbon is 82.5 cm long. Cut only the middle rod. That way, if you ever break the carbon at the ends, you can replace the carbon without cutting it.

Then glue the internal fittings into the middle rod, leaving them protruding by half.

To adjust the diameter of the carbon to the ends, you can make a few turns of scotch tape around the carbon.

Here’s the result:

The finished Revolution!

The vertical carbon is not yet adjusted. You’ll notice that I’ve been a bit of a wizard with the glue, that it’s all smudged and looks really disgusting… I won’t do it again!

Two possibilities:

This is the second solution I opted for. In this case, use the darkest spinnaker color to avoid the unsightly transparent effect. All that remains is to make the bridle…

Plan of the bridle

How to explain this… I have to say it helps to have seen someone make one and to have the model in front of you…

The bridle to make

Here’s how I made my bridle.

I attached 4 cm bridles to each end cap, as well as to the center bridle on the leading edge. At each end of the bridle, I tied a stopper knot so that I could attach the main bridle.

The main bridle consists of one horizontal and two vertical bridles.

Apart from adjusting the knots to respect the dimensions, the difficulty lies in hooking the vertical bridle to the horizontal one. When you have a model in front of you, it’s not really that difficult. All right, I had to go back to the drawing board twice to make my bridle, and it could certainly be adjusted further, but I expected worse.

As not everyone has a bridle in front of them, here’s how to hook the two bridles together:

Zoom in on the bridle. Top, knot for attaching the line with a lark's head. Bottom, horizontal bridle.
Zoom on the bridle. Above, the loop for hitching to the horizontal bridle. Below, the vertical bridle.
Zoom on the bridle. Above, the vertical bridle. Below, the horizontal bridle.
Zoom on the bridle. Above, the vertical bridle. Below, the horizontal bridle.
Zoom on the bridle. Above, the horizontal bridle. Left, the bridle towards the leading edge. Right, the bridle towards the tip of the rev. Bottom, horizontal bridle.

So that’s how it’s done. Hope it helps.

Thanks to the forumists for their help, especially Zézé and Polo.
Section titled "Thanks to the forumists for their help, especially Zézé and Polo."

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