How to make Bangpae2012.03.10 00:09

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Bangpae bridle is 3 point one not that of 4, the fake one at center upside is just to prevent spine bent against strong wind pressure.

Step 1.

Prepare thread to be duplicated that length is about 1.5 times of head width or kite diagonal.

Step 2.

Make a double thread knot with thread length of from kite center to bottom corner end.

Step 3.

Tie at start point between kite upper and center with double thread prepared on step 2.

Step 4.

Drag thread from the point of step 3 via right side bottom corner end to left upper corner end.

Step 5.

Overlap main thread with that of prepared on step 1 at the step 4 end point, turn kite over with keeping the threads don’t move, wind threads 3 turns clockwise to the spar end, pull main thread toward me, and then make a clockwise ring against left index finger, next insert the made ring into stick out corner spar, finally pull out to tie main threads with right fingers while left 3 fingers-middle,ring,the little-fixing corner threads.

Step 6.

Drag thread from the point of step 5 via upper center down 22~25 (mm) to left upper corner end while thread tension taut, then turn kite over again with keeping the threads don’t move, wind threads 2 turns clockwise to stick out corner spar, pull main thread toward me, and then make a closckwise ring against left index finger, next insert made ring into stick out corner spar, finally pull out to tie main threads with right fingers while left 3 fingers-middle,ring,the little-fixing corner threads.

Step 7.

Wind thread 1 turn to the stick out corner spar of the step 6,spread out string to make bow string stable.

Step 8.

Drag thread from the point of step 7 via bottom left corner end to bottom right corner end, then make a double thread knot at here with thread length of from this point to the opposite kite center hole end.

Step 9.

Tie a knot at bottom bridal point  with double thread prepared on step 8.

Step 10.

Make a 4 thread overlap knot and this knot point should coincident to the end point of step 9 and 10 mm down from the upper corner ends when pull out thread up and down, and the thread from the start point of step 3 must be a little bit droop status.

Step 11.

Tie a swivel.

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Posted by 대한연협회 Peter, Nam
How to make Bangpae2012.03.01 01:47

It's convenient to use cut-out jig with gimlet markings.And outside overlap gluing is recommended to reinforce paper endurance.
We had better prepare half-paper tailoring masters of every size.


 

1. Put this tailoring master on half folded paper to punch marks with gimlet.


2. Draw lines follow after these marks and then complete paper cut.

3. Make gimlet scratch lines onto outer lines to be folded.

4. Center hole cut and quadrisection it .

5. Hemming with glue.

 

6. Tail edge overlap hemming.

7. Symbol decoration with paint brush and Chinese ink etc.

8. Ironing if necessary.

9. Finished.

 

# The method without tailor master.

1. Draw a horizontal line of top width.

2. Draw a bisectional vertical line of kite height with straight square and triangular rule.

3. Draw a horizontal line of kite bottom sidth with straight square and triangular rule.

4. Draw a straight line from left top edge point to left tail edge point with sraight square.

5. Draw a straight line from right top edge point to right tail edge point with sraight square.

6. Draw two diagonal lines from top edge point to tail edge point with sraight square.

7. Draw a horizontal line at crossing point with sraight square and triangular rule.

8. Draw hem lines, upper over lap and trim lines.

 

 

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Posted by 대한연협회 Peter, Nam
How to make Bangpae2012.03.01 01:29

1. Special tools and accessaries.

    Grooved knife, Double-edged knife, Whetstone, Sharpener for groove blade

Double edged knife used to split spars.

 

Bond : Two-liquid mixing type quick-drying epoxy araldite bond.

 

Following script is by Dominick,Jenkins.He had made this knife for himself and experienced so much about it.His comments must be very helpful to whom would try it.


Making and Using the Korean Kite Knife

Some initial comments.

I enjoyed making this knife and it is great to use. Here are some things I learnt along the way.

First, unless you are good with a angle grinder - I recommend that you get the sadvick saw blade cut up by someone who does or find a metal shop that can use a laser or electric sparking machine to do the cutting. There are two reasons for this, the first is that angle grinders are dangerous machines and the second is unless you are happy with using them it is hard to cut through the blade accurately.

Second, the grinding of the circular cutting edges with a high speed pencil dye grinder is realatively easy. The machine itself is not so expensive and neither is the air pump to supply it. I had difficulty finding the right abrasive heads - they need to go at 50,000 revolutions per minute -- but they can be got from: Meister Abrasives UK, e-mail sales@meister-abrasives.co.uk tele: 44 1327 703 813.

Thirdly, it is also important to grind the knife edge right. I have only just learned how to do this. You have to brind the edge of the knife steadily in to the edge of the grinding wheel at a low angle and let it rest there so that the knife edge is a thin triangular wedge and not a slightly curved wedge - this makes all the difference in getting a sharp cutting knife edge.

Some more to follow.

Finally, I had a difficult experience using the knife with some bamboo -- until I found out from Peter that the knife does not work very well on bamboo that has only seasoned for one year and/or is quick growing tropical bamboo. So it is crucial to get the older two to three years seasoned temperate zone bamboo.


Below knifes are designed, being made 100 pieces and will be presented to Korean Kite Fliers Society members  in the early of 2016 to commemorate the 3rd anniversary of the Great Mr.M,H,Park's death.

The NO.1 knife will be handed over to his daughter.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Jigs

    Glue jig with tailor's claws, Paper cut out jig

Gluing jig drawings below are for the Bangpae width 200(mm) to 600(mm), but the jig in below picture is optimized one to that of 400(mm).Point is the angle of 78(degree) fit well to every sized Bangpae, I recommend you to take an appropriate length of part 1 and 4 not to be hindered by them while you clamp kite on the jig with tailor's claws .

 

1) 200~600 Bangpae width Gluing Jig

 

2) 200~400 Bangpae width Gluing Jig

3) Paper cut out jig


3. General Tools

Rubber plate,Stainless Ruler(0-60cm),Compass cutter,Compass,Gas torch,Leather pad,Scale(0-1000g),Paint Brush,Gimlet,Scissor, Pruning shears,Woodwork bond.

 


4. Bamboo spar, Hanji (Korean Paper), and Woodwork bond


Ingredient : Acetic acid vinyl resin,etc : 42%, water :58%


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Posted by 대한연협회 Peter, Nam
How to make Bangpae2012.03.01 01:03

Aspect ratio(kite length/kite width) has been changed from 1.5 to the recent standard 1.2, the smaller it is, the agiler Bangpae could be. You deserve to try and feel the difference of it.Click them and you could see well.

Tensions are measured as belows, with spar skin side compressed.

If you click on pictures, newly enlarged ones would be popped up and you can see each dimension clearly.

 

 

<Spars length for each sized Bangpae>

Short dense line in the center hole where dimension start indicates bamboo node that had better be put a third of center hole. These lengths are a little bit longer than bridle finished status.You had better spar machining with these lengths.

 

Belows are written by Rainer,Pochubay lives in Canada,easily viewable and very detailed.

 

 

Red shadow trianglular areas had better be cut out not to be paper wrinkle,etc

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Posted by 대한연협회 Peter, Nam