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Mainsail

We cannot guarantee quality of a sail in case of the incomplete or incorrectly given information.

Attention! A divider of decimal fraction is the point (not a comma)!

Length of the yacht: m.
feet


mm.
P: * :: Distance from the top edge boom up to the bottom edge of mark on a mast
mm.
E: * :: Distance from the back edge of a mast up to the fore edge of mark on the boom
mm.(°)
1. * :: Length of the leech or a corner between a mast and a boom
mm.
2. :: Mast bend
mm.
2a. :: in the upper quarter of a mast
mm.
2b. :: in the lower quarter of a mast
The side photo of the bent mast is necessary for high-grade assessment of bend of a mast (look Test of mast)
Choose one of three ways of designing of the leech:
mm.
mm.
4. :: Length of perpendicular from crossing of back edge of a mast and the bottom edge of top mark up to backstay
mm.
5. :: Distance from rear position of the clew up to the backstay in parallel of a boom
mm.
mm.
mm.
mm.
mm.
mm.
6. :: Height of the first reef
mm.
7. :: Height of the second reef
mm.
8. :: Height of the third reef
mm.
9. :: Distance from the top edge of a boom up to the beginning of a groove of a mast (if the sail is fastened by luff-line)
mm.
10. :: Distance from the top edge of a boom up to the bottom point of fastening of a tack (it is possible a negative value)
mm.
11. :: Distance from a back edge of a mast up to a fore point of fastening of a tack
mm.
12. :: Distance from a back edge of a mast up to a fore point of fastening of a reef
mm.
13. :: Distance from a back edge of a mast up to the beginning of a groove of a boom (for not loose foot)
Fastening of a sail to a mast:

mm.
14. :: Slot of a groove
mm.
15. :: Space of a groove (min.)
mm.
16. :: Thickness of walls
mm.
17. :: Slot of a groove
mm.
18. :: Width of a groove
mm.
19. :: Height of a groove (min.)
mm.
20. :: Height of a groove (max.)
Fastening of a sail to a boom:

mm.
14. :: Slot of a groove
mm.
15. :: Space of a groove (min.)
mm.
16. :: Thickness of walls
The additional information:
Note peculiarities of your rig also.
* - infill is necessary
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