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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 | 43.0° | 43.0° | 40.8° | 39.2° | 38.0° | 37.5° | 37.4° | 38.0° | 39.3° |
| Beat VMG | 2.41 | 3.34 | 4.07 | 4.58 | 4.86 | 4.98 | 5.04 | 5.08 | 5.00 |
| 52° | 3.75 | 5.07 | 6.01 | 6.56 | 6.85 | 6.99 | 7.06 | 7.13 | 7.12 |
| 60° | 3.99 | 5.34 | 6.25 | 6.74 | 7.02 | 7.18 | 7.27 | 7.37 | 7.38 |
| 75° | 4.13 | 5.50 | 6.41 | 6.88 | 7.18 | 7.42 | 7.60 | 7.80 | 7.90 |
| 90° | 4.10 | 5.52 | 6.50 | 6.99 | 7.21 | 7.48 | 7.75 | 8.18 | 8.45 |
| 110° | 4.10 | 5.58 | 6.64 | 7.17 | 7.56 | 7.90 | 8.12 | 8.49 | 8.69 |
| 120° | 3.94 | 5.40 | 6.49 | 7.09 | 7.53 | 7.96 | 8.38 | 9.00 | 9.53 |
| 135° | 3.43 | 4.84 | 6.00 | 6.78 | 7.27 | 7.72 | 8.19 | 9.33 | 11.35 |
| 150° | 2.85 | 4.11 | 5.25 | 6.20 | 6.85 | 7.30 | 7.72 | 8.68 | 10.24 |
| Run VMG | 2.47 | 3.56 | 4.55 | 5.39 | 6.09 | 6.64 | 7.08 | 7.85 | 8.87 |
| Gybe Angles | 145.3° | 145.3° | 149.6° | 153.5° | 160.3° | 167.3° | 173.6° | 172.3° | 145.3° |
APH ToD:572.1CDL: 8.514APH ToT: 1.0487CertNo:0308.01
BOATClassARCHAMBAULT A31DesignerCHANTIERS Archambault Boats (FRA)BuilderCHANTIERS Archambault Boats (FRA)Age date12.2009Series date12.2009Offset fileA31-FK.offData fileRU0308_SORCERER
HULLLength Overall9.550 mMaximum Beam3.244 mDraft1.980 mDisplacement3 378 kgDLR5.3135IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLERInstallationStrutTypeFolding 2 bladesDiameter0.400m
CREWMaximum weight550 kg(declared)Minimum weight420 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS
(m²)
MeasuredRatedMainsail28.3828.90Headsail Luffed22.8922.89Headsail FlyingSymmetric70.4470.44Asymmetric
STORM SAIL AREAS
(m²)
Trysail8.44Storm Jib7.09Heavy Weather Jib19.12
SAIL LIMITSHeadsails5✱ Woven polyester sails
Spinnakers4 STABILITYRighting 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.
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Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassARCHAMBAULT A31Measurement04.07.2025HINFR-ARC 310-63 F 1 11Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.550Max. Beam3.244Draft1.980Displacement3 378Wetted area18.64IMS L8.901LSM08.598Acc. length9.550Sink (kg/mm)
13.78
VCGD-0.075VCGM-0.100RM Rated
(kg·m)
64.1Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight555Declared crew weight550
PROPELLERPropeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0035
EDL2.500ST10.055ST20.180
ST30.180ST40.110ST50.285
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.900IG11.900ISP13.600MDT10.098MDL10.159MDT20.090MDL20.130TL1.700MW0.159GO0.159
E4.050J3.670BAS1.500FSDSFJ0.020SPL3.870WPLTPS3.700BD0.190MWT84.40MCG4.320
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date03.06.2025
SFFP0.191FFM1.230FF1.240LCFcl5.235SG1.0000
SAFP9.364FAM0.935FA0.939LCFsh5.454HBI1.068
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateCommentRUS 3080.170.881.552.523.3528.3801.06.2025
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentRUS 3050.090.541.011.942.853.7511.90YesNo 22.8902.06.2025
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateCommentRUS 30813.1313.1313.136.516.1570.4401.08.2025
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.