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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 | 45.3° | 45.3° | 43.3° | 41.6° | 40.8° | 40.0° | 39.5° | 39.3° | 40.0° |
| Beat VMG | 2.06 | 2.94 | 3.69 | 4.26 | 4.70 | 4.99 | 5.11 | 5.19 | 5.13 |
| 52° | 3.28 | 4.57 | 5.61 | 6.36 | 6.90 | 7.20 | 7.35 | 7.43 | 7.42 |
| 60° | 3.53 | 4.87 | 5.90 | 6.64 | 7.13 | 7.41 | 7.56 | 7.67 | 7.68 |
| 75° | 3.67 | 5.04 | 6.10 | 6.86 | 7.32 | 7.61 | 7.79 | 8.01 | 8.08 |
| 90° | 3.55 | 4.91 | 6.00 | 6.80 | 7.32 | 7.64 | 7.87 | 8.21 | 8.43 |
| 110° | 3.01 | 4.32 | 5.48 | 6.42 | 7.12 | 7.57 | 7.87 | 8.37 | 8.78 |
| 120° | 2.82 | 4.09 | 5.24 | 6.18 | 6.93 | 7.44 | 7.78 | 8.32 | 8.83 |
| 135° | 2.43 | 3.59 | 4.69 | 5.63 | 6.43 | 7.07 | 7.51 | 8.08 | 8.58 |
| 150° | 2.02 | 3.04 | 4.01 | 4.76 | 5.53 | 6.20 | 6.79 | 7.59 | 8.12 |
| Run VMG | 1.78 | 2.64 | 3.47 | 4.30 | 5.07 | 5.77 | 6.41 | 7.38 | 7.95 |
| Gybe Angles | 142.8° | 142.8° | 143.4° | 171.2° | 172.6° | 173.5° | 174.1° | 177.1° | 178.0° |
APH ToD:623.9CDL: 9.203APH ToT: 0.9617CertNo:
BOATClassGibsea 422DesignerHumpreys+LakshBuilderMicrossAge date01.1991Series date01.1991Offset fileGIBSEA422_Josie.offData fileUFO_10051507_Josie
HULLLength Overall12.180 mMaximum Beam3.918 mDraft2.112 mDisplacement8 645 kgDLR7.1979IMS DivisionCruiser/RacerDynamic Allowance0.400%Age Allowance0.487%
PROPELLERInstallationShaft exposedTypeSolid 3 bladesDiameter0.440m
CREWMaximum weight640 kg(declared)Minimum weight510 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail30.5230.48Headsail Luffed41.2441.24Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail10.87Storm Jib12.15Heavy Weather Jib32.80
SAIL LIMITSHeadsails1✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0✱ No spinnaker pole aboard
STABILITYRighting Moment168.4 kg·mStability Index101.1
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)ClassGibsea 422Measurement08.10.2024HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.180Max. Beam3.918Draft2.112Displacement8 645Wetted area31.29IMS L10.799LSM010.629Acc. length12.180Sink (kg/mm)
24.03
VCGD0.297VCGM0.304RM Rated
(kg·m)
168.4Limit of positive stability(°)
97.0Stability Index101.1Default crew weight751Declared crew weight640
PROPELLERPropeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.440PBW0.150PIPA0.0278
PSD0.025PHD0.060PHL0.200
PSA30.0°ESL0.830
ST10.020ST20.085ST30.095
ST40.045ST50.350
RIGForestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerYesMainsail furlerIn mastArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.950IG15.585ISPMDT10.125MDL10.250MDT2MDL2TLNo TaperMW0.250GO0.250
E4.450J4.700BAS1.700FSD0.041SFJSPLWPLTPSBD0.180MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodPoles incliningFlotation Date09.10.2024
SFFP0.451FFM1.320FF1.320LCFcl6.643SG1.0260
SAFP11.280FAM0.960FA0.960LCFsh6.926HBI1.095
W116.0W232.0W349.5W466.5
PD132.0PD260.0PD382.0PD4108.0
WD10.400PLM2950.00GSA50.0RSA50.0RM181.7
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-10.080.561.062.143.2930.5208.10.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentH-10.040.681.302.644.105.7415.01NoNo 41.2408.10.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length12.2 mTable area0.55 m²Headroom1.82 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity155 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity94 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.