# Weight of kite lines

by Paul

Q:

Thanks for entertaining questions. I am trying to get a sense of the weight of kite string, for example per foot or per 100 feet. I'm looking at 'regular' kite lines - 20# or 50#.

Any idea?

Thanks,
Paul

A:

I've been very slow to answer this, sorry. Missed it somehow.

A quick trawl around the Web did not turn up anything useful, so I pulled out some of my heaviest line and my wife's kitchen scales. Then followed some calculations...

raw data: 4 meters of 200lb braided Dacron weighed 11 grams.

--> ( / 4 ) 1m of 200lb line weighs 2.75g
--> ( / 4 ) 1m of 50lb line weighs 0.6875g
--> ( / 3.28 ) 1ft of 50lb line weighs 0.2096g
--> ( x 0.037 ) 1ft of 50lb line weighs 0.007755oz
--> ( x 100 ) 100 feet of 50lb line weighs 0.7755oz
--> ( / 2/5 ) 1 foot of 20lb line weighs 0.003102oz
--> ( x 100 ) 100 feet of 20lb line weighs 0.3102oz

Those last 4 should answer your question :-) They should be somewhere in the ball-park, hopefully! In U.S. ounces.

Nylon will be slightly heavier, for the same strengths.

If any kite shop owners or anyone else has better figures for those lighter line weights, please post them here via a comment. Thanks!

(Just some accurate raw data will do. For example 'my reels weigh X oz. empty, and fully wound with 200 feet of 20 pound line, they weigh Y ounces')

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

Moderate breeze
20–28 km/h
13–18 mph
11–16 knots
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29–38 km/h
19–24 mph
17–21 knots
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Strong breeze
39–49 km/h
25–31 mph
22–27 knots
Beaufort 6

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32-38 mph
28-33 knots
Beaufort 7