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Rated boat velocities in knots| Wind Velocity | 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 43.4° | 41.8° | 41.1° | 39.7° | 38.7° | 38.4° | 38.8° | 40.6° |
| Beat VMG | 2.69 | 3.22 | 3.60 | 3.88 | 4.05 | 4.11 | 4.09 | 3.96 |
| 52° | 4.09 | 4.81 | 5.26 | 5.51 | 5.66 | 5.74 | 5.76 | 5.73 |
| 60° | 4.30 | 5.01 | 5.41 | 5.64 | 5.79 | 5.88 | 5.93 | 5.93 |
| 75° | 4.41 | 5.14 | 5.54 | 5.77 | 5.94 | 6.07 | 6.21 | 6.27 |
| 90° | 4.33 | 5.08 | 5.53 | 5.79 | 5.98 | 6.14 | 6.41 | 6.58 |
| 110° | 3.93 | 4.79 | 5.40 | 5.75 | 6.00 | 6.22 | 6.62 | 7.02 |
| 120° | 3.76 | 4.63 | 5.28 | 5.67 | 5.93 | 6.17 | 6.60 | 7.07 |
| 135° | 3.37 | 4.25 | 4.94 | 5.44 | 5.75 | 5.99 | 6.43 | 6.88 |
| 150° | 2.90 | 3.77 | 4.48 | 5.07 | 5.50 | 5.78 | 6.22 | 6.63 |
| Run VMG | 2.52 | 3.28 | 3.96 | 4.56 | 5.09 | 5.47 | 5.97 | 6.37 |
| Gybe Angles | 149.3° | 154.6° | 165.8° | 171.7° | 175.9° | 178.6° | 179.5° | 179.5° |
APH ToD:739.2CDL: 5.691APH ToT: 0.8117CertNo:
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 Allowance0.520%Age Allowance0.487%
PROPELLERInstallationNo PropellerTypeN/ADiameterN/A
CREWMaximum weight300 kg(declared)Minimum weight170 kg
* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail11.2111.32Headsail Luffed19.1819.18Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail3.52Storm Jib4.40Heavy Weather Jib11.88
SAIL LIMITSHeadsails5
Spinnakers0
* Spinnaker pole aboard
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 L6.197LSM06.147Acc. length7.400Sink (kg/mm)
9.30
VCGD0.068VCGM0.066RM Rated
(kg·m)
34.8Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight344Declared crew weight300
PROPELLERPropeller TypeNo Propeller
Hydro generatorNo
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunners/Checkstays0Spreaders1Rotating 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.DateComment
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 cockpit
4
Food stowage0.12 m³Fuel capacity20 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.