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This balloon crossbow, as you will notice in the video, really works and can shoot balloon arows!

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This tutorial was suggested Courbin, on my blog.

You too can give me some suggestions for future tutorials!

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  • 4 twisting balloons 260

Video Tutorial

Video in French, with English subtitles (if captions do not automatically display in your favorite language, you simply need to modify YouTube parameters at the bottom right of the video screen).

Hello! Today we are going to learn how to make a crossbow.

This is a tutorial that was requested by Courbin. You too can request a personalized tutorial by going to my blog.

So you inflate a balloon leaving a margin of a little less than the width of four fingers that is not inflated.

We divide the inflated part of the balloon into two equal parts, and we make a small bubble at this level.

Then we turn that little bubble into an pinch-twist. Then we make a second little bubble that we're going to turn into an pinch-twist as well, and we make sure to secure the two pinch-twists together.

We are then going to fold the first large segment of the balloon in half, which will serve as a guide because we then want to make a large bubble that is a little less than half of this large segment.

We then make another small bubble that we turn into an pinch-twist, and then, another large segment of the same length as the previous one.

We will now take the very first balloon segment back so that we can wedge the knot of the balloon at the end of the long bubble we just formed.

We now make a small bubble which we turn into a pinch-twist, followed by a second small bubble, and yes you guessed it...which we are also going to turn into a pinch-twist. There you go!

We gently pierce the remaining unnecessary balloon, and we tie a knot.

Here you go! At this point you should get this shape right there.

We are now going to take a second balloon of the same color as the first one and we are going to cut it into two unequal parts: the part with the mouth of the balloon will have to be a little longer.

We're going to inflate the shorter part, but before tying the knot, we'll have to check that its length fits between the two pairs of ear-bubbles of the first shape we sculpted.

Let some air out if necessary, check the size again and tie the knot.

We are now going to make an pinch-twist at this knot, which will have the advantage of increasing the air pressure in this segment of balloons. Indeed it is very important that this segment of balloon is very firm, but in addition, this pinch-twist will give us an attachment point to connect it to the first balloon.

To do this, we gently insert this pinch-twist next to the other pinch-twist we made between the two large bubbles of the first shape.

That's it. At this point you should get that shape now.

Now let's take the segment of the balloon that we cut earlier... We have to tie a knot at the end of it, then we'll squeeze all the air out of it, like this, and we tie another knot at the other end of the balloon to make sure the air can't get back in, which allows us to get a kind of ribbon.

Looking at it in profile, you should have one side very thin and the other side very wide. The shape of this elastic tape will allow us to put pressure on the surface of a balloon without making a groove or deforming the balloon in any way.

So we tie one end of this ribbon between the two pinch-twists, bring the very large balloon bubble close against the two pinch-twists, pull the ribbon from behind and reattach it to the two pinch-twists also.

We round off the shapes a bit and make sure the tape is laid flat so it doesn't create a groove on the surface of the balloon.

And at this point, you should now get that shape.

We are now going to take a balloon of another color to form the string of the crossbow and to do this we are going to use the same technique as before to squeeze out all the air from the balloon, and form a flat and elastic ribbon again. This ribbon shape will allow the arrows not to slip against the string.

You just have to make two three pass through the two pinch-twists to attach this rope to the crossbow, and we do the same thing on the other side.

To adjust the tension of the string you just have to change its length, the shorter the string the more tension there will be, and the longer the string the less there will be tension.

Here, the crossbow is finished, we will now make the arrow.

Take a balloon of any color and cut it in half. Inflate the balloon so it's firm and make sure it's straight.

Now let's get down to business!

First we'll stretch the string and lock it in this way, then we'll position the arrow along the guide of the crossbow.

We hold it in place with the thumb and index finger of the left hand, and with our right hand we move the rope to the back of the arrow.

If you are left-handed, you may need to adapt the instructions.

Aim your target and release the arrow!

Let's start again...

We start by blocking the string at the back of the crossbow guide, like this.

Then we position the arrow along the guide of the crossbow and we hold it with the thumb and index finger of one of your hands, with the other hand we move the string to position it at the 'back of the arrow.

We aim well at our target and then release the thumb and index finger.

It's as simple as that!

Well, I hope you enjoyed this tutorial and I hope to see you soon... for another lesson... with Môssieur Ballon... HELP!!!

 

Step-By-Step Photo Guide

 

The bowstave

how to twist a balloon crossbow, step 1
1Inflate (a 260) twisting balloon, leaving a non inflated margin of a little less than the width of four fingers.
how to twist a balloon crossbow, step 2
2Divide the inflated part of the balloon into two equal parts.
how to twist a balloon crossbow, step 3
3Then, take the balloon at the center of this two segments,
how to twist a balloon crossbow, step 4
4and fold it (just like if your were making a bubble).
how to twist a balloon crossbow, step 5
5Then make a small bubble right after that fold,
how to twist a balloon crossbow, step 6
6and transform it into a pinch-twist.
how to twist a balloon crossbow, step 7
7Make another small bubble,
how to twist a balloon crossbow, step 8
8and transform it into a pinch-twist as well.
how to twist a balloon crossbow, step 9
9Like that!
how to twist a balloon crossbow, step 10
10Then, take the very first segment of balloon and fold it in two, only to use it as a guide,
how to twist a balloon crossbow, step 11
11to be able to form a long bubble that will be a little shorter than half of that first segment.
how to twist a balloon crossbow, step 12
12Then, make a small bubble,
how to twist a balloon crossbow, step 13
13and transform it into a pinch-twist,
how to twist a balloon crossbow, step 14
14Align the segment or remaining balloon against the previous long bubble, and make another long bubble with the same exact length
how to twist a balloon crossbow, step 15
15Like that!
how to twist a balloon crossbow, step 16
16Now, take back the very first segment of balloon, the one with the knot,
how to twist a balloon crossbow, step 17
17and attach the knot at the last fold of the last bubble.
how to twist a balloon crossbow, step 18
18Take the small remaining part of balloon,
how to twist a balloon crossbow, step 19
19make a small bubble,
how to twist a balloon crossbow, step 20
20and transform it into a pinch-twist.
how to twist a balloon crossbow, step 21
21Then make another small bubble,
how to twist a balloon crossbow, step 22
22and transform it into a pinch-twist as well!
how to twist a balloon crossbow, step 23
23Then delicately pierce the tip of the remaining part of the balloon which we don't need anymore,
how to twist a balloon crossbow, step 24
24and make a knot.
how to twist a balloon crossbow, step 25
25At this stage, you should obtain this shape!

The tiller (the guide)

how to twist a balloon crossbow, step 26
1Let's now take another balloon of the same colour and cut it in two unequal parts. The side with the mouth of the balloon, should be a bit longer than the other side.
how to twist a balloon crossbow, step 27
2Then, inflate the shorter side, insuring that the air is much conmpressed and that the balloon is quite firm and rigid. But, don't make the knot yet...
how to twist a balloon crossbow, step 28
3First, check that its length fits inbetween the two pairs of pinch-twists from the first balloon shape
how to twist a balloon crossbow, step 29
4If necessary to reduce the size, let some air escape a little, but without losing any balloon firmness or rigidity. Then make a small bubble,
how to twist a balloon crossbow, step 30
5and transform it into a pinch-twist (thus making the balloon yet a little more firm and rigid)

Assembly of the tiller with the bowstave

how to twist a balloon crossbow, step 31
1This pinch-twist will also give us an attachment point to join it with the first balloon shape, the bowstave of the crossbow
how to twist a balloon crossbow, step 32
2Delicately insert the fold of one of the pinch-twist through the folde of the other pinch-twist and turn it around a few times
how to twist a balloon crossbow, step 33
3At this stage, you should obtain this shape!
how to twist a balloon crossbow, step 34
4Let's now take the other parts of the balloon we previously cut in two, and make a knot at the end.
how to twist a balloon crossbow, step 35
5Squeeze it from the end, all the way towards the mouth opening to push out all the air.
how to twist a balloon crossbow, step 36
6Once the air has been all squeezed out, make another knot to seal it hermetically.
how to twist a balloon crossbow, step 37
7This gives us some kind of a flat ruban, thin on one side
how to twist a balloon crossbow, step 38
8and large on the other side. This flat shape will enable us to apply pressure on the surface of a balloon, without wearing a groove on it.
how to twist a balloon crossbow, step 39
9Attach one end of that ruban between the two pinch-twists,
how to twist a balloon crossbow, step 40
10Then, bring the large segment of balloon against the two pinch-twists,
how to twist a balloon crossbow, step 41
11pass the ruban above it, and attach it again at the pinch-twist from the other side.
how to twist a balloon crossbow, step 42
12Curve the bowstave a bit,
how to twist a balloon crossbow, step 43
13and insure that the ruban is still laid flat so that it doesn't make a groove on the surface of the balloon.
how to twist a balloon crossbow, step 44
14And at this stage, you should obtain this shape!

The string

how to twist a balloon crossbow, step 45
1This time pick a 260 with a different colour, and like we did previously, sqeeze all the air out of the balloon.
how to twist a balloon crossbow, step 46
2and make a knot. This new ribbon shape will allow the arrows not to slip against the string.
how to twist a balloon crossbow, step 47
3Simply turn the ruban a couple time around the pinch-twists to attach the string to the bowstave,
how to twist a balloon crossbow, step 48
4and do the same thing on the other side. To adjust the tension of the string you just have to change its length, the shorter the string is and the more tension there will be.
how to twist a balloon crossbow, step 49
5There, the crossbow is done.

The bolt (the arrow)

how to twist a balloon crossbow, step 50
1To make the arrow is very simple. Take a 260 of any colour and cut it in two,
how to twist a balloon crossbow, step 51
2Then inflate and make a knot. That's all!

User guide

how to twist a balloon crossbow, step 52
1Pull the string and nudge it against the back of the tiller.
how to twist a balloon crossbow, step 53
2Set the bolt alongside the tiller.
how to twist a balloon crossbow, step 54
3Hold the bolt in place between the thumb and index of one of your hand.
how to twist a balloon crossbow, step 55
4With your other hand, move the string from the back of the tiller to the back of the bolt.
how to twist a balloon crossbow, step 56
5Aim towards your targer,
how to twist a balloon crossbow, step 57
6Remove your thumb and index from the bolt.
how to twist a balloon crossbow, step 58
7And that's all there is to it! Have fun !

Do you need more help with this tutorial ?

Do not hesitate to post your feedback or any question you may have regarding this tutorial if you need to. I'm here to help you!

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