OPEN FORMULA 20 CLASS
For people of good will to race together for the enjoyment of the sport in accordance with the Racing Rules of Sailing and in the spirit of rule #2 of fair sailing under ISAF rules –To compete within recognized principles of sportsmanship and fair play.
To race 20-ft catamarans of various design features as a fleet on a first across the finish line wins basis, in buoys and distance racing.
Amendments—We wish to keep rules as simple as possible and rely on good intent of sailors in accordance with standard safety requirements per sailing rules and required gear and class principles as stated. Amendments per majority vote of active class members.
The Open-F20 Committee will propose amendments to the rule if necessary. Amendments shall be placed on one year’s notice unless it is considered essential to act immediately to prohibit an unseaworthy feature. Formula 20 boats will often be sailed in Worrell type distance racing events and all components are to be constructed accordingly and sailed extensively in varied conditions before competing.
Basic specifications - OPEN FORMULA 20.
LENGTH –20 ft one inch max. —Stern to bow meas.
BEAM - 8.5 ft –max.hull point meas.
WEIGHT –two categories of boat wgt. –376 Lb. and above
-410 Lb. and above
-Definition boat weights –boat sails and all att gear fully rigged
Boats may add permanently fixed gear and floatation to meet min.
Corrector weights will also be allowed for boats under 376lb. total.
SAIL AREA –two corresponding categories
376 min boat wgt –MAINSAIL =210 sq. ft inc. mast --53 sq. ft jib +270 sq. ft spin, max.
410 min.boat weight MAINSAIL =210 sq. ft – 60 sq. ft jib + 290 sq. ft spin. Max.
Increases of 7-sq. ft. in jib and 20 sq. ft in spin area in 34-LB boat wgt differential.
Sail area may be traded off from main to jib of equal sq. ft to allow modification and design variation of sail plan to any max. S A combination of smaller main in category
All measurements per ISAF measurement rules, --see diagrams and instruction.
-Roller furlers and main reef points may be used. -
-All teams to use the same set of sails for a regatta or distance race.
Sailmakers and owners to list sq. ft in 2 inch numerals at the tack of each sail next to the sailmakers logo with signature over. All sails are to be commercially available to any sailing team. Existing class cat designs will be accepted as listed per mfg. or sailmaker. -Racing will be on the honor system, but any boat may be challenged and checked along with the protesting party also being checked for weight and sail area compliance. Those not in compliance will be DSQ for those races.
CREW –One or more may be crew. -All must be capable of righting from a capsize.
-CREW WEIGHT –-A class min of 320 Lb., one half of weight below may be carried by lighter teams to meet min req.-Example –a 300 team may carry 10 LB s to meet min.
Wgt based on teams wearing standard swim apparel and shirt.
-MASTS –May be of alum. or carbon fiber in standard section tapered or uniform and a Max 32 ft length. With-standard wire rigging in any configuration.
-HULLS -BOARDS and RUDDERS–Of any standard material or configuration.
SPIN POLES –a MAX 13 FT. length may be used made of any material in standard configuration with snuffer configuration of any type.
The starboard side of the mainsail shall carry the Open -Formula-20 logo of racing Formula 20s along with individual sail number for scoring purposes.