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Characteristics
Lots of drag, depending on the size of the sail.
It can be used to carry fishing lines out to sea.
Does not require glue
It disassembles to be transported
Winds: moderate.
Construction:
Medium complexity -
Requires stitching - preferably machine
This model can be made larger, thus increasing its drag capacity and requiring more force to sustain it in flight.
Necessary material
*Light polyester fabric (type of jacket fabric) 1.70 m of 1.50 wide fabric
*3 pine wood slats of 118 cm and 1 of 112 cm x 10 mm section
*1 metal washer for the draft
*1 thick string of 180 cm for the shot (69/106)
Making
*Cut the fabric according to the plan, single for the sail and double for the keel
*I sewed the hem of the central and lateral edges, on the sail and on the keel.
*I sewed the two parts of the keel (green fabric in the diagram) to the sail (blue fabric).
*Add lateral reinforcements to the sail, for the transom.
*I sewed a fold on the indicated lines (space of 3.5 cm in the basic scheme), to insert the spars, in the sail and the keels (fig. 3)) fold for sparsfig. 3
* Drill holes in the spars 2.5 cm from each end, to hold the sail and the keel. (fig. 4)
*Once the stringer is placed inside the fold, pass a thread through the hole to tie it to the batten.
In the lower ends of both parts of the keel, you can give a few stitches with thick sewing thread, and hook the loop on the stringer, or you can glue the fabric to the batten with a few drops of glue.
*Slide the metal washer on the string of the shot. (See place washer .gif)
The upper branch must measure 69 cm and the lower one 106 cm
*To assemble it you must take care that the crossbar is behind the sail, and the spars
In fig. 6 you can see the assembled model and a way to tie the strings to the stringers.
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