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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 | 45.9° | 44.2° | 42.7° | 42.2° | 42.5° | 43.0° | 45.6° | 51.0° |
| Beat VMG | 2.44 | 3.01 | 3.42 | 3.66 | 3.74 | 3.72 | 3.51 | 3.08 |
| 52° | 3.81 | 4.61 | 5.14 | 5.47 | 5.60 | 5.61 | 3.12 | 3.65 |
| 60° | 4.06 | 4.86 | 5.39 | 5.71 | 5.87 | 5.90 | 5.86 | 5.60 |
| 75° | 4.22 | 5.05 | 5.62 | 5.96 | 6.16 | 6.27 | 6.33 | 6.30 |
| 90° | 4.14 | 5.01 | 5.63 | 6.03 | 6.28 | 6.46 | 6.69 | 6.78 |
| 110° | 3.80 | 4.75 | 5.49 | 6.00 | 6.34 | 6.60 | 7.03 | 7.33 |
| 120° | 3.64 | 4.59 | 5.34 | 5.90 | 6.27 | 6.56 | 7.06 | 7.51 |
| 135° | 3.27 | 4.21 | 4.97 | 5.60 | 6.05 | 6.37 | 6.90 | 7.42 |
| 150° | 2.86 | 3.75 | 4.52 | 5.18 | 5.71 | 6.11 | 6.66 | 7.16 |
| Run VMG | 2.49 | 3.28 | 3.99 | 4.63 | 5.20 | 5.69 | 6.35 | 6.84 |
| Gybe Angles | 152.3° | 155.9° | 162.2° | 168.5° | 173.6° | 177.2° | 179.5° | 179.5° |
APH ToD:748.1CDL: 5.844APH ToT: 0.8020CertNo:
BOATClassAllegro 27DesignerLARS OLOF NORLINBuilderACVA-Båt (SWE)Age date01.1970Series date01.1967Offset fileAllegro30.offData fileUFO_АА1057RUS92_Allegro
HULLLength Overall8.030 mMaximum Beam3.152 mDraft1.329 mDisplacement3 512 kgDLR10.8676IMS DivisionCruiser/RacerDynamic Allowance0.660%Age Allowance0.487%
PROPELLERInstallationIn ApertureTypeSolid 2 bladesDiameter0.320m
CREWMaximum weight300 kg(declared)Minimum weight170 kg
* when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail18.2118.62Headsail Luffed22.2222.22Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail5.35Storm Jib5.14Heavy Weather Jib13.86
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)ClassAllegro 27MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.030Max. Beam3.152Draft1.329Displacement3 512Wetted area21.89IMS L7.081LSM06.862Acc. length10.243Sink (kg/mm)
10.85
VCGD-0.848VCGM-0.402RM Rated
(kg·m)
52.7Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight402Declared crew weight300
PROPELLERPropeller TypeSolid 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.320PBW0.080PIPA0.0072
APH0.380APT0.160APB0.160
RIGForestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunners/Checkstays0Spreaders1Rotating mastNo
P9.120IG10.130ISP10.100MDT10.102MDL10.135MDT2MDL2TLNo TaperMW0.135GO0.135
E3.350J3.070BAS0.920FSDNo FoilSFJ0.000SPL3.220WPLTPS3.530BD0.100MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date05.06.2024
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.170.741.282.152.7918.2105.06.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH-10.060.531.042.183.434.699.82NoNo 22.2205.06.2024H-20.040.350.681.462.413.538.83NoNo 14.1305.06.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length10.2 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity84 lMinimum number of seats in cockpit
4
Food stowage0.24 m³Fuel capacity54 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.