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Rated boat velocities in knots|
Wind Velocity
| 4 kt
| 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 43.9° | 43.9° | 41.4° | 38.1° | 37.1° | 36.8° | 37.0° | 37.8° | 40.2° |
| Beat VMG | 2.42 | 3.31 | 3.94 | 4.27 | 4.48 | 4.55 | 4.58 | 4.55 | 4.41 |
| 52° | 3.87 | 5.08 | 5.79 | 6.04 | 6.19 | 6.28 | 6.33 | 6.37 | 6.33 |
| 60° | 4.20 | 5.37 | 5.97 | 6.22 | 6.34 | 6.47 | 6.54 | 6.61 | 6.58 |
| 75° | 4.44 | 5.59 | 6.12 | 6.45 | 6.63 | 6.74 | 6.87 | 7.03 | 7.09 |
| 90° | 4.42 | 5.59 | 6.16 | 6.55 | 6.88 | 7.10 | 7.25 | 7.46 | 7.64 |
| 110° | 4.24 | 5.50 | 6.25 | 6.74 | 7.13 | 7.40 | 7.74 | 8.36 | 8.93 |
| 120° | 4.12 | 5.39 | 6.18 | 6.69 | 7.18 | 7.67 | 8.11 | 9.28 | 10.69 |
| 135° | 3.62 | 4.91 | 5.84 | 6.40 | 6.89 | 7.42 | 8.11 | 10.83 | 12.82 |
| 150° | 2.98 | 4.19 | 5.20 | 5.92 | 6.39 | 6.79 | 7.21 | 9.44 | 12.82 |
| Run VMG | 2.58 | 3.63 | 4.50 | 5.13 | 5.59 | 5.95 | 6.30 | 8.17 | 11.10 |
| Gybe Angles | 145.0° | 145.0° | 149.4° | 151.6° | 156.4° | 159.5° | 158.6° | 140.9° | 145.2° |
APH ToD:609.4CDL: 6.799APH ToT: 0.9846CertNo:2703.1
BOATClassRikochet 747DesignerYuri SitnikovBuilder Spray Ltd RussiaAge date01.2005Series date01.2003Offset fileRik747-22.offData fileRU2703_CUBA LIBRE
HULLLength Overall7.470 mMaximum Beam2.486 mDraft1.648 mDisplacement1 440 kgDLR6.2781IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLERInstallationNo PropellerTypeN/ADiameterN/A
CREWMaximum weight400 kg(declared)Minimum weight270 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS
(m²)
MeasuredRatedMainsail20.0620.54Headsail Luffed15.7115.71Headsail Flying32.2032.20SymmetricAsymmetric64.5164.51
(1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS
(m²)
Trysail5.67Storm Jib4.81Heavy Weather Jib12.97
SAIL LIMITSHeadsails5✱ One set on the forestay
Spinnakers4 STABILITYRighting Moment32.1 kg·mStability Index98.4
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.
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Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassRikochet 747Measurement24.06.2018HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.470Max. Beam2.486Draft1.648Displacement1 440Wetted area11.97IMS L6.680LSM06.121Acc. length7.470Sink (kg/mm)
9.39
VCGD0.056VCGM0.066RM Rated
(kg·m)
32.1Limit of positive stability(°)
105.4Stability Index98.4Default crew weight342Declared crew weight400
PROPELLERPropeller TypeNo Propeller
Hydro generatorNo
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P9.715IG9.735ISP10.508MDT10.078MDL10.129MDT20.078MDL20.129TL0.000MW0.129GO0.148
E3.330J2.842BAS1.110FSD0.027SFJ0.213SPLWPLTPS4.665BD0.125MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodPoles incliningFlotation Date02.06.2022Measurer209
SFFP0.495FFM0.935FF0.940LCFcl4.169SG1.0000
SAFP7.226FAM0.747FA0.750LCFsh4.345HBI0.797
W131.7W231.7W331.7W431.7
PD1650.2PD2650.2PD3650.2PD4650.2
WD8.270PLM9000.00GSA1.0RSA1.0RM31.8
TANKSIdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing1 lNo
INVENTORYIdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA#2.900.00
1Suzuki DF6AL, 6 hp, Weight 27 kg .7.470.70
INVENTORYFixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1 lNoTotal deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG#Battery2.900.001EngineSuzuki DF6AL, 6 hp, Weight 27 kg .267.470.70Total deductible0
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment1525360.160.801.392.252.8620.0602.06.2022
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.040.841.643.064.285.2611.18NoYes032.2007.06.2024H20.060.440.861.692.533.329.31YesNo 15.7105.06.2019#BS10.070.430.841.632.433.239.50YesNo 15.5106.06.20241696640.090.420.791.552.353.219.52YesNo 15.0906.06.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA111.7011.6811.696.576.8396%64.51A211.9010.7611.336.806.55104%63.73AS111.9110.6811.306.766.56103%63.2528.05.201914681411.839.6710.755.866.2694%53.2102.06.2022A-0-110.809.5910.204.335.6477%39.0128.05.2019
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment