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 | 43.1° | 40.9° | 39.5° | 40.0° | 41.2° | 43.3° | 43.4° | 44.0° |
| Beat VMG | 5.83 | 7.13 | 7.70 | 8.63 | 9.56 | 10.59 | 11.41 | 12.13 |
| 52° | 8.90 | 10.67 | 11.36 | 12.85 | 14.53 | 16.37 | 17.49 | 18.79 |
| 60° | 9.42 | 11.24 | 12.96 | 13.57 | 15.54 | 17.72 | 19.11 | 20.62 |
| 75° | 9.84 | 11.67 | 13.66 | 14.17 | 16.44 | 19.16 | 21.73 | 23.57 |
| 90° | 10.01 | 11.81 | 13.84 | 16.54 | 20.24 | 22.44 | 23.61 | 26.18 |
| 110° | 9.05 | 10.74 | 12.63 | 14.81 | 17.42 | 20.41 | 25.79 | 28.17 |
| 120° | 8.43 | 10.28 | 12.03 | 13.99 | 16.31 | 18.98 | 23.98 | 28.06 |
| 135° | 7.41 | 9.29 | 10.86 | 12.45 | 14.23 | 16.31 | 21.28 | 26.78 |
| 150° | 6.16 | 7.85 | 9.25 | 10.55 | 11.89 | 13.44 | 17.39 | 21.87 |
| Run VMG | 5.34 | 6.79 | 8.01 | 9.14 | 10.30 | 11.64 | 15.06 | 18.94 |
| Gybe Angles | 139.9° | 142.6° | 145.1° | 144.9° | 143.1° | 139.9° | 136.1° | 135.4° |
MHR:315.7CertNo:MH011
BOATClassIrens 78DesignerIrens_NigelBuilderGreen MarineAge date06/2014Series date06/2014Offset fileMH011.offData fileMH011
HULLLength Overall25.530 mMaximum Beam9.766 mDraft4.338 mDisplacement32,172 kgDLR1.8642Dynamic Allowance0.000%Age Allowance0.325%
PROPELLERInstallationShaft exposedTypeFolding 4 bladesDiameter0.500m
CREWWeight965 kg(declared)Crew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail220.82248.65Headsail Luffed90.7090.70Headsail Flying212.98SymmetricAsymmetric495.34
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.
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassIrens 78Measurement20/05/2021HIN1
LOA25.530Max. Beam9.766Draft4.338Displacement32,172Dspl lightship29,412Wetted area97.01
Superstructure frontal area22.53Superstructure lateral area58.36Default crew weight911Declared crew weight965
PROPELLERPropeller TypeFolding 4 blades
InstallationShaft exposedTwin screwYesHydro generatorNo
PRD0.500PBW0.100PIPA0.0135
PSD0.030PHD0.080PHL0.120
PSA16.0°ESL0.900
ST10.050ST20.130ST30.180
ST40.080ST50.330
RIGSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footRunners/Checkstays0Spreaders1Rotating mastYesMast rakeMast cant angle
P31.000IG27.700ISP30.920MDT10.350MDL10.664MDT20.350MDL20.664TL0.000MW0.664GO0.664
E10.840J7.200JZ2.000BAS2.540FSDSFJ3.200SPLWPLTPS11.660BD
ForetrianglesIdITPTPZComment027.7007.2002.000030.92011.6602.000228.69010.3052.500316.6006.5002.500Staysails130.92011.6602.500
FLOTATIONFlotation Date20/05/2021SG1.0250
FFM1.135FAM1.176
TANKSIdDescriptionCapacityLCGVCGSp.WghtCondition
MeasurementLevel
Sailing1FUEL PORT1,00515.00-0.600.84003420.0002FUEL STARBOARD1,00515.00-0.600.84005330.0003WATER PORT67513.00-0.701.0000410.1004WATER STARBOARD67513.00-0.701.00001560.1005GREY PORT34513.50-0.701.01001110.1006GREY STARBOARD34513.50-0.701.0100560.1007BLACK PORT24514.00-0.701.0200540.1008BLACK STARBOARD24514.00-0.701.0200490.1009FUEL DAY T GEN7021.00-0.100.840001.00010FUEL DAY T PORT8021.00-0.100.840001.00011FUEL DAY T STARBOARD8021.00-0.100.840001.000
INVENTORYIdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA1AncOff:MainOn:Fortress78305.501.80
2Chain98339.901.50
3Off:MAIN21 On:Main D26526515.003.50
4SPINN. STAYSAIL-A25259.002.00
5A3-C015711.002.00
7Off:CrSlnt21, On: J1-B859110.002.00
8Off:SCR21, On: SCR-B14012110.002.00
10GS-A03110.001.70
11J0-B09310.002.00
9A2-D 87kg08716.001.70
17SpareOils&Coolant010016.001.70
16EngineSpares&tools03618.001.00
12CREW GEAR016518.001.00
13FOOD & DRINKS0017.000.50
14LiIon BATTERY585812.000.80
16Dishwasher51016.702.00
15MOORING LINE05514.001.50
INVENTORYFixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FUEL PORTFuel1,00534215.00-0.602FUEL STARBOARDFuel1,00553315.00-0.603WATER PORTWater6754113.00-0.704WATER STARBOARDWater67515613.00-0.705GREY PORT1.010034511113.50-0.706GREY STARBOARD1.01003455613.50-0.707BLACK PORT1.02002455414.00-0.708BLACK STARBOARD1.02002454914.00-0.709FUEL DAY T GENFuel70021.00-0.1010FUEL DAY T PORTFuel80021.00-0.1011FUEL DAY T STARBOARDFuel80021.00-0.10Total deductible120614.38-0.64
OTHER ITEMSIdKindDescriptionWeightLCGVCG1DeductibleAncOff:MainOn:Fortress785.501.802DeductibleChain989.901.503DeductibleOff:MAIN21 On:Main D26515.003.504DeductibleSPINN. STAYSAIL-A259.002.005DeductibleA3-C011.002.007DeductibleOff:CrSlnt21, On: J1-B8510.002.008DeductibleOff:SCR21, On: SCR-B14010.002.0010DeductibleGS-A010.001.7011DeductibleJ0-B010.002.009DeductibleA2-D 87kg016.001.7017DeductibleSpareOils&Coolant016.001.7016DeductibleEngineSpares&tools018.001.0012DeductibleCREW GEAR018.001.0013DeductibleFOOD & DRINKS017.000.5014DeductibleLiIon BATTERY5812.000.8016DeductibleDishwasher5116.702.0015DeductibleMOORING LINE014.001.50Total deductible80011.752.33