Dacron

Pardon the mess, here and/or in other parts of this site!

All will be looking better by mid-November. T.P. (major site update in progress)

Info For Fliers Plus A Short History

The staff at any kite shop will tell you that Dacron is ideal for flying single-line kites. Compared to cotton and Nylon lines of the same strength, it is lighter and thinner. Also, its high melting point means that it resists abrasion. Handy for if you get a tangle with someone else's flying line!

There is some stretch in the material, but this is of no real concern when flying a single-line kite. If you ask me, there's nothing wrong with a bit of shock-absorption in gusty winds!

Our own experiences with small Skewer kites on 20 pound line and larger Dowel kites on 50 pound line have been very good.

The kites fly high with much less sag than a line made of cheaper material would have. Mind you, sharing a single flying line among several kites makes the cost seem more reasonable!

The occasional tangles do still happen, but for us it's been mainly due to carelessness.

You know, you're in a hurry winding up the line and you don't take enough notice of some resistance...

Next thing you know, a small pile of loose line has arrived at your hand in the form of a tangle! Usually, it's still fairly loose and it only takes a few minutes to sort out.

We fly most of our MBK kites on braided Dacron. The only exception is the Paper Series designs which fly on polyester sewing thread :-) ...

The Big MBK Book Bundle is a collection of downloads - printable PDF files which provide step-by-step instructions for many kites large and small.





The History Of Dacron

To make it more digestible, how about a list! Here we go...

Dacron - Reel of 200 pound braided lineSome Dacron as delivered
  • The 1929 writings of Wallace Carothers about polymers led to the discovery of polyesters.
  • Carothers invented Neoprene in 1930 and Nylon in 1935.
  • 2 British chemists, John Rex Whinfield and J. T. Dickinson were inspired by the work of Carothers.
  • Whinfield and Dickinson invented a new high-melting-point polyester in 1941. They called it Terylene.
  • ICI patented the Terylene polyester.
  • DuPont purchased the U.S. rights to Terylene in 1945 for further development.
  • With modified Nylon technology, a DuPont pilot plant in Seaford, Delaware produced a version of Terylene they called Dacron fiber.
  • DuPont moved to mass production in its huge Kinston, North Carolina, plant in 1953.
  • "The rest, as they say, is history." Yeah I know, that tired old cliche...

You could spend 30 minutes or so wandering the Web to find all the above info in several places, often buried in long paragraphs. But I suspect you would rather just glance at the list to take it all in, in under half a minute!

There's my roll of 200 pound braided flying line up there in the photo. In its natural color.





Some Technical Facts

A long paragraph of technical data would be hard going, so here's another list...

  • The scientific name for this material is polyethylene terephthalate.
  • It's a condensation polymer obtained from ethylene glycol and terephthalic acid.
  • The molecules are very long linear chains that cross-link to each other.
  • Each linear chain consists of 10 Carbon atoms, 8 Hydrogen atoms and 4 Oxygen atoms in a group, which is repeated many times giving the chain its long length.
  • The melting point of Dacron is a high 256 degrees Celsius (496 degrees Fahrenheit).

Finally, here's a not-so-technical fact... There are more uses these days for this synthetic fiber than you could poke a stick at! In my view, by far the most important one is for tethering single-line kites to Terra Firma ;-)

Talking about single-line kites...

The Big MBK Book Bundle is a collection of downloads - printable PDF files which provide step-by-step instructions for many kites large and small.


Need winders, reels, flying line?

We earn a small commission if you click the following link and buy something. The item does not cost you any more, since we are an "affiliate" of Amazon.

Click here to buy anything you need. Just use the Search box in there if you need different weights or lengths of line, for example.

P.S. Keep an eye out for books by kite author Glenn Davison, a prominent kite person in the USA.

What's New!

  1. Flight Report:
    Club Fly At Semaphore

    Nov 11, 18 10:45 PM

    It was back to the usual Semaphore Park location this month... True to the weather site prediction, a Gentle-strength breeze was coming off the ocean after mid-day. The direction was much more souther…

    Read More

Wind Speeds

Light Air
1-5 km/h
1-3 mph
1-3 knots
Beaufort 1

Light breeze
6–11 km/h
4–7 mph
4–6 knots
Beaufort 2

Gentle ...
12–19 km/h
8–12 mph
7–10 knots
Beaufort 3

Moderate ...
20–28 km/h
13–18 mph
11–16 knots
Beaufort 4

Fresh ...
29–38 km/h
19–24 mph
17–21 knots
Beaufort 5

Strong ...
39–49 km/h
25–31 mph
22–27 knots
Beaufort 6

High Wind
50-61 km/h
32-38 mph
28-33 knots
Beaufort 7

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Comments

Plenty of fun kite info, photos and videos - there's definitely too much here for only one visit! Feel free to leave your impressions of this site or just this page, below...

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