|
 | | F16 Box Rule Summary |
| Box rule | S.I. | Imperial |
| Maximum length |
5.0 m |
16.4 ft |
| Max effective width (wings allowed) |
2.5 m |
8.2 ft |
| Min overall weight (solo / with crew) |
104 kg / 107 kg |
230 lbs / 236 lbs |
| Max. height mast excl. mast crane section |
8.5 m |
27.9 ft |
| Max. height mast foot |
0.075 m |
3.0 inches |
| Max. circumference of the (wing)mast |
0.5 m |
1.64 ft |
| Max. length genaker pole |
3.50 m |
11.45 ft |
| Max. hoist height genaker (up from forebeam) |
7.5 m |
24.6 ft |
| Allowed sailplan solo sailing |
main+genaker |
| Allowed sailplan sailing with crew |
main+jib+genaker |
| Mainsail area (+ halve mast area) |
15.00 sq. mtr |
161.4 sq.ft |
| Jib area |
3.70 sq. mtr |
39.8 sq.ft |
| Texel measured genaker area |
17.5 sq.m |
188.3 sq.ft. |
| Minimum crew weight |
No minimum crew weight |
Other main rules
- Mid height width of gennaker is at minimum 75 % of length foot.
- Boat must be rightable by any crew either solo or doublehanded
- The rig may not be trimmed between start and finish by other means than sheet, downhaul, outhaul, traveller, mast rotation and halyards systems.
- Only "soft" sails are allowed.
- Using multiple sets of the top three battens to fine tune the rig to the crew (1-up/2-up) is permitted and does not require remeasurement of the sail
- No ballast other than corrector weights are allowed
- The wearing of bouyancy aids is compulsary during (open) Formula 16 races
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; "F16 Box Rule Summary")