Talk:Box kite

Invented by Hargrave

I doubt this is true. As far as I'm aware, Hargreave invented a specific type of box kite, using cuboidal sails attached by the front sale, rather than the cubical sails attached by both. Unless a reference is provided, I will delete this claim in one week.86.0.203.120 04:39, 18 January 2007 (UTC)

[1] says Lawrence Hargrave invented a more complex 'box' design, later simplified to the 'traditional' box kite illustrated. - Rod57 (talk) 12:38, 19 August 2017 (UTC)

Diagram

In the picture of a box-kite shown, the string held by the person who flies it (forgive me for now knowing the name) attaches on one outside corner. The text describes something else, I think, with a short string attached diagonally to two of the corners, and the holding-verylong-pilot-string attached to that.

Is the diagram wrong or have I misunderstood? I think it might be important. We might benefit from a labelled diagram, based on the existing one. Not being enough of a kite-expert, I leave it to they who are. 92.40.253.200 (talk) 15:11, 23 November 2012 (UTC)

Yes, it needs changing. Image shows single point attachment (which can work). Often (as in text) a bridle is used, as in this diagram. - Rod57 (talk) 12:33, 19 August 2017 (UTC)

These spars are called longerons and cross braces. The string is called flying line. Longeron is a French derived word for the long spar that forms the structural framework of an aircraft's fuselage. In most kites it is the vertical and longest spar when the kite is in the launch position prior to take-off. When the kite is at altitude, these spars head toward the horizontal. The cross braces are the spars that form the cross shape to hold the kite's faces apart to give shape and structural rigidity. Each panel of sail material on this particular box kite illustrated has identical dimensions and in conjunction with the rigid spars will result in a taut box structure. The bridle can be many different configurations. The single point bridle shown is as described and is consistent with the illustration. The text describes an attachment on one of the outside spars. It doesn't describe an exact position of attachment. I have made many of these simple box kites and have used single point, two point and four point bridles. The single point gives an angled attack to the wind, that is a flat face is not directly into the wind but two faces are at 45 degrees to the wind direction excluding the kite's overall angle of attack. The single bridle point gives self adjusting kite behavior that compensates for variations in wind speed and angle of elevation. The two legged bridle has two attachments, the upper in the same position as the single attachment and the lower on an opposite point on the lower cell. The angle of attack of the kite to the wind is set by where the flying line is attached to the bridle. This set angle allows more pull but the kite has more stress in stronger winds as the self correcting characteristic of a single attachment pit is removed. I will edit the article to include these details and expand it in other areas. I have constructed 1 full size Hargrave replica and 2 other full size version using ripstop nylon and fibreglass tube. — Preceding unsigned comment added by 110.174.47.79 (talk) 17:24, 2 December 2018 (UTC)

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