International
Certificate
2023

Boat

GEMINI

ITA-9980

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.0°40.0°38.4°37.6°36.9°36.4°35.8°
Beat VMG3.974.755.245.495.635.725.82
52°5.966.927.427.657.777.857.93
60°6.237.137.577.817.948.028.11
75°6.387.247.697.958.128.258.40
90°6.237.177.687.988.208.388.67
110°5.837.047.728.098.368.588.88
120°5.686.917.658.078.398.689.21
135°5.126.367.287.848.228.559.24
150°4.315.506.527.327.838.198.85
Run VMG3.744.765.656.417.037.578.29
Gybe Angles143.9°148.4°151.4°155.9°164.0°175.4°179.0°

APH: 521.2

CDL: 10.811

GPH: 583.0

CertNo: 23/1

BOAT
ClassProtoDesignerA. Vallicelli & C.BuilderDe CesariAge date05/1983Series date05/1983Offset fileGEMIN97.OFFData fileI9980
HULL
Length Overall13.750 mMaximum Beam4.108 mDraft2.614 mDisplacement11,007 kgDLR8.6286IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.570m
CREW
Maximum weight860 kgMinimum weight645 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.9846.76Headsail Luffed72.8172.81Headsail FlyingSymmetric145.93145.93Asymmetric
STORM SAIL AREAS (m²)
Trysail13.02Storm Jib16.36Heavy Weather Jib44.15
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment254.0 kg·mStability Index129.6
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.
ORC Ref  03190002CO2Issued on 20/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

GEMINI

ITA-9980

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG907.6758.0686.9655.8639.2629.0618.1
52°603.8520.2485.5470.4463.3458.9454.0
60°578.1505.2475.3461.0453.6449.1444.0
75°564.3497.1468.4453.1443.2436.5428.4
90°578.2502.4468.9451.2439.1429.6415.3
110°617.5511.3466.6445.1430.6419.8405.6
120°634.0521.4470.4445.9428.9414.6390.9
135°703.3566.3494.4459.1438.1421.0389.5
150°834.6654.8552.4492.1459.8439.5406.8
Run VMG963.7756.0637.4561.9512.4475.7434.1
Selected Courses
Windward / Leeward935.7757.0662.2608.8575.8552.3526.1
All purpose723.3598.4536.6504.0484.5471.1453.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward634.30.9460
All purpose521.21.1512
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8581
Downwind "popa"0.9674
70% up, 30% down "Ilhabela"0.8882
30% up, 70% down "Ilhabela-inverso"0.9318
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Predominantly Upwind555.61.0799
Predominantly Downwind534.91.1217
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low660.80.9080
Triple Number All Purpose Medium517.91.1586
Triple Number All Purpose High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Predominantly Upwind555.61.0799
Predominantly Downwind534.91.1217
Predominantly Upwind Low717.10.8367
Predominantly Upwind Medium569.21.0542
Predominantly Upwind High534.11.1233
Predominantly Downwind Low737.40.8137
Predominantly Downwind Medium534.41.1227
Predominantly Downwind High449.81.3339
Chicago-Mac Upwind1.0622
Chicago-Mac All Purpose1.0787
Chicago-Mac Downwind1.1016
Bayview-Mac Cove Island1.0095
Bayview-Mac Shore1.0227
Victoria-Maui1.1714
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance565.8
Triple Number Coastal/Long Distance Low660.8
Triple Number Coastal/Long Distance Medium517.9
Triple Number Coastal/Long Distance High467.7
Triple Number Windward/Leeward Low846.4
Triple Number Windward/Leeward Medium630.7
Triple Number Windward/Leeward High548.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9080
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.2829
Triple Number Windward/Leeward Low0.7089
Triple Number Windward/Leeward Medium0.9513
Triple Number Windward/Leeward High1.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low660.8
Triple Number Coastal/Long Distance Medium517.9
Triple Number Coastal/Long Distance High467.7
Triple Number Windward/Leeward Low846.4
Triple Number Windward/Leeward Medium630.7
Triple Number Windward/Leeward High548.3
Predominantly Upwind555.6
Predominantly Downwind534.9
Predominantly Reaching511.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9080
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.2829
Triple Number Windward/Leeward Low0.7089
Triple Number Windward/Leeward Medium0.9513
Triple Number Windward/Leeward High1.0942
Coastal/Long Distance1.0604
Predominantly Upwind1.0799
Predominantly Downwind1.1217
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9080
Tretall Distanseseilas Mellomvind1.1586
Tretall Distanseseilas Mye vind1.2829
Tretall Pølsebane Lite vind0.7089
Tretall Pølsebane Mellomvind0.9513
Tretall Pølsebane Mye vind1.0942
Distanseseilas ett tall (OSN 8-16kn)1.0604
Distanseseilas ett tall (APH 6-20kn)1.1512
Enkeltall Motvind1.0799
Enkeltall Medvind1.1217
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Coastal/Long Distance565.81.0604
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind555.61.0799
Predominantly Downwind534.91.1217
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore534.01.1237
Cape Doctor Coastal458.51.3087
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9080
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.2829
Triple Number Windward/Leeward Low0.7089
Triple Number Windward/Leeward Medium0.9513
Triple Number Windward/Leeward High1.0942
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9080
Triple Number Coastal/Long Distance Medium1.1586
Triple Number Coastal/Long Distance High1.2829
Triple Number Windward/Leeward Low0.7089
Triple Number Windward/Leeward Medium0.9513
Triple Number Windward/Leeward High1.0942
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Predominantly Upwind555.61.0799
Predominantly Downwind534.91.1217
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low660.80.9080
Triple Number Coastal/Long Distance Medium517.91.1586
Triple Number Coastal/Long Distance High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.5714.8600.7536.0502.1476.5437.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low660.80.9080
Triple Number All Purpose Medium517.91.1586
Triple Number All Purpose High467.71.2829
Triple Number Windward/Leeward Low846.40.7089
Triple Number Windward/Leeward Medium630.70.9513
Triple Number Windward/Leeward High548.31.0942
Predominantly Upwind555.61.0799
Predominantly Downwind534.91.1217
Predominantly Upwind Low717.10.8367
Predominantly Upwind Medium569.21.0542
Predominantly Upwind High534.11.1233
Predominantly Downwind Low737.40.8137
Predominantly Downwind Medium534.41.1227
Predominantly Downwind High449.81.3339
Chicago-Mac Upwind1.0622
Chicago-Mac All Purpose1.0787
Chicago-Mac Downwind1.1016
Bayview-Mac Cove Island1.0095
Bayview-Mac Shore1.0227
Harvest Moon Regatta460.91.3017
Victoria-Maui1.1714
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy539.21.1128
San Francisco Bay Medium622.80.9634
Predominantly Reaching1.2043
Predominantly Reaching Low0.9951
Predominantly Reaching Medium1.2145
Predominantly Reaching High1.3553
Windward/Leeward 60-40 Low843.60.7112
Windward/Leeward 60-40 Medium644.30.9313
Windward/Leeward 60-40 High575.31.0430
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low921.90.6508
5-Band Low / Medium775.50.7737
5-Band Medium619.80.9681
5-Band Medium / High556.61.0779
5-Band High530.61.1307
ORC Ref  03190002CO2Issued on 20/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

GEMINI

ITA-9980

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassProtoMeasurement12/04/2019HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.750Max. Beam4.108Draft2.614Displacement11,007Wetted area36.84IMS L11.252LSM010.844Acc. length13.351Sink (kg/mm) 25.36
VCGD-0.249VCGM-0.121RM Rated (kg·m) 254.0Limit of positive stability(°) 123.3Stability Index129.6
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.570PBW0.153PIPA0.0056
PSD0.035PHD0.068PHL0.140
PSA17.5°ESL1.010
ST10.035ST20.130ST30.130
ST40.058ST50.210
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P15.930IG18.050ISP18.170MDT10.125MDL10.195MDT20.100MDL20.144TL2.600MW0.175GO0.185
E4.670J5.380BAS1.760FSD0.022SFJSPL5.559WPLTPSBD0.230MWT320.00MCG5.900
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date12/04/2019MeasurerFIV-122Comment
SFFP0.805FFM1.420FF1.420LCFcl7.261SG1.0250
SAFP12.125FAM1.122FA1.122LCFsh7.542HBI1.240
W1131.5W2131.5W3131.5W4131.5
PD1534.8PD2535.6PD3533.0PD4532.7
WD13.050PLM9000.00GSA1.0RSA1.0RM253.1
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGBinoxFuel12007.40AinoxWater12007.40Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCGABattery3 x 52 Ah478.63AEnginePerkins 408Total deductible0
ORC Ref  03190002CO2Issued on 20/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

GEMINI

ITA-9980

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.231.061.873.174.0545.9812/04/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.991.973.955.998.0118.27NoNo 72.8112/04/2019
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA17.9217.9217.929.809.66145.93* Copied from legacy *
ORC Ref  03190002CO2Issued on 20/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org