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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 | 43.4° | 43.4° | 41.7° | 40.8° | 39.9° | 39.6° | 39.5° | 40.4° | 42.7° |
| Beat VMG | 1.99 | 2.71 | 3.24 | 3.61 | 3.85 | 3.94 | 3.97 | 3.90 | 3.73 |
| 52° | 3.09 | 4.12 | 4.82 | 5.25 | 5.48 | 5.60 | 5.64 | 5.64 | 5.56 |
| 60° | 3.26 | 4.32 | 5.01 | 5.40 | 5.62 | 5.74 | 5.80 | 5.83 | 5.80 |
| 75° | 3.36 | 4.45 | 5.15 | 5.53 | 5.75 | 5.90 | 6.02 | 6.12 | 6.16 |
| 90° | 3.22 | 4.38 | 5.22 | 5.64 | 5.83 | 5.96 | 6.11 | 6.35 | 6.47 |
| 110° | 3.33 | 4.51 | 5.33 | 5.76 | 6.02 | 6.24 | 6.42 | 6.65 | 6.71 |
| 120° | 3.19 | 4.37 | 5.24 | 5.72 | 6.02 | 6.28 | 6.52 | 6.97 | 7.24 |
| 135° | 2.84 | 3.97 | 4.89 | 5.53 | 5.89 | 6.18 | 6.45 | 7.07 | 7.81 |
| 150° | 2.42 | 3.46 | 4.38 | 5.13 | 5.63 | 5.94 | 6.21 | 6.76 | 7.45 |
| Run VMG | 2.09 | 2.99 | 3.80 | 4.49 | 5.08 | 5.50 | 5.81 | 6.32 | 6.82 |
| Gybe Angles | 148.7° | 148.7° | 152.8° | 156.4° | 164.2° | 171.8° | 177.7° | 178.1° | 176.8° |
APH ToD:712.1CDL: 5.628APH ToT: 0.8426CertNo:
BOATClassBIRDIE24DesignerHarry BeckerBuilderAge date01.1976Series date01.1976Offset fileBIRDIE24.offData fileUFO_AA0349RUS92_Birdie24
HULLLength Overall7.400 mMaximum Beam2.412 mDraft1.278 mDisplacement2 057 kgDLR8.8527IMS DivisionCruiser/RacerDynamic Allowance0.530%Age Allowance0.487%
PROPELLERInstallationNo PropellerTypeN/ADiameterN/A
CREWMaximum weight170 kg(default)Minimum weight120 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail11.2111.32Headsail Luffed19.1819.18Headsail FlyingSymmetric41.7341.73Asymmetric
STORM SAIL AREAS
(m²)
Trysail3.52Storm Jib4.40Heavy Weather Jib11.88
SAIL LIMITSHeadsails5Spinnakers4
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)ClassBIRDIE24Measurement03.05.2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.400Max. Beam2.412Draft1.278Displacement2 057Wetted area13.24IMS L6.167LSM06.147Acc. length7.399Sink (kg/mm)
9.30
VCGD0.067VCGM0.065RM Rated
(kg·m)
34.8Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLERPropeller TypeNo Propeller
Hydro generatorNo
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.160IG9.287ISP9.297MDT10.098MDL10.128MDT2MDL2TLNo TaperMW0.128GO0.158
E2.460J3.030BAS1.087FSDNo FoilSFJ0.210SPL3.075WPLTPSBD0.105MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date13.07.2024
SFFP0.483FFM0.895FF0.895LCFcl4.301SG1.0260
SAFP7.036FAM0.600FA0.600LCFsh4.460HBI0.772
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.110.480.851.431.9311.2103.05.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentS-20.050.510.992.003.104.229.31NoNo 19.1803.05.2024S-10.050.380.751.472.202.929.18NoNo 13.5203.05.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateCommentSp-19.269.269.265.465.2041.7303.05.2024
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length7.4 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity14 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.