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Club Certificate2025
OkaRUS 2107
Novokolomiazhskii av 11-70
St-Petersburg
Russia
St-Petersburg
Russia
| Wind Velocity | 4 kt | 6 kt | 8 kt | 10 kt | 12 kt | 14 kt | 16 kt | 20 kt | 24 kt |
| Beat Angles | 42.1° | 42.1° | 40.7° | 39.2° | 37.1° | 36.2° | 36.0° | 36.4° | 37.9° |
| Beat VMG | 2.14 | 2.90 | 3.46 | 3.86 | 4.12 | 4.27 | 4.32 | 4.34 | 4.27 |
| 52° | 3.26 | 4.35 | 5.07 | 5.45 | 5.66 | 5.80 | 5.88 | 5.94 | 5.95 |
| 60° | 3.45 | 4.54 | 5.22 | 5.56 | 5.76 | 5.92 | 6.02 | 6.11 | 6.15 |
| 75° | 3.56 | 4.66 | 5.32 | 5.65 | 5.87 | 6.06 | 6.22 | 6.42 | 6.52 |
| 90° | 3.45 | 4.62 | 5.39 | 5.79 | 6.05 | 6.27 | 6.43 | 6.65 | 6.91 |
| 110° | 3.40 | 4.56 | 5.35 | 5.75 | 6.03 | 6.31 | 6.59 | 7.17 | 7.65 |
| 120° | 3.20 | 4.37 | 5.21 | 5.66 | 5.95 | 6.21 | 6.50 | 7.21 | 7.96 |
| 135° | 2.76 | 3.86 | 4.77 | 5.42 | 5.77 | 6.04 | 6.30 | 6.95 | 7.84 |
| 150° | 2.32 | 3.34 | 4.26 | 5.01 | 5.52 | 5.83 | 6.08 | 6.62 | 7.34 |
| Run VMG | 2.00 | 2.89 | 3.71 | 4.41 | 5.03 | 5.47 | 5.77 | 6.26 | 6.80 |
| Gybe Angles | 149.3° | 149.3° | 154.3° | 160.6° | 167.1° | 178.1° | 179.0° | 179.0° | 178.6° |
APH ToD:693.8CDL: 5.936APH ToT: 0.8647CertNo:2107.3
BOAT
ClassOpti 71DesignerArminskyBuilderPoland, L. Teliga yardAge date12.1988Series date12.1985Offset fileOpty71_VK.offData fileRU2107_Oka
HULL
Length Overall7.100 mMaximum Beam2.494 mDraft1.532 mDisplacement1 469 kgDLR8.3729IMS DivisionPerformanceDynamic Allowance0.310%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kg(declared)Minimum weight270 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS
(m²)
MeasuredRatedMainsail16.1016.46Headsail Luffed11.3711.37Headsail FlyingSymmetric24.1524.15Asymmetric
STORM SAIL AREAS
(m²)
Trysail4.90Storm Jib2.58Heavy Weather Jib6.97
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers4STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and
ORC Rule 304.