Club
Certificate
Non Spinnaker
2023

Boat

GURUGU

ITA-GRG23

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 Angles44.8°43.6°42.0°41.2°40.2°40.5°41.7°
Beat VMG2.503.123.573.874.034.063.99
52°3.884.765.345.675.855.915.91
60°4.125.025.565.866.036.116.15
75°4.285.195.756.056.256.396.53
90°4.185.115.736.086.336.536.82
110°3.854.835.586.046.366.647.16
120°3.654.645.425.936.276.567.13
135°3.254.215.025.656.056.356.89
150°2.723.594.365.035.575.956.52
Run VMG2.433.233.984.655.255.736.35
Gybe Angles168.5°169.4°171.2°171.8°173.6°174.8°176.6°

APH: 730.6

CDL: 5.884

GPH: 833.0

CertNo: 23/1

BOAT
ClassChallenger BravoDesignerGaubertBuilderAzuréenAge date06/1988Series date01/1985Offset fileGurugu.offData fileGRG23
HULL
Length Overall8.700 mMaximum Beam2.984 mDraft1.554 mDisplacement1,820 kgDLR7.2886IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 2 bladesDiameter0.396m
CREW
Maximum weight320 kgMinimum weight235 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.4515.75Headsail Luffed16.2116.21Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.66Storm Jib3.66Heavy Weather Jib9.87
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting 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.
ORC Ref  03190002S0UIssued on 01/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

GURUGU

ITA-GRG23

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 VMG1438.81152.61009.7930.3893.5886.1903.0
52°928.2755.6674.2634.4615.8609.5609.5
60°873.4717.1646.9613.9596.6588.8585.6
75°840.9694.0626.5595.1576.1563.2551.7
90°860.4704.8628.4591.6568.6551.2527.5
110°935.8744.7644.8595.9565.8541.8502.8
120°985.1776.3664.3607.1574.4548.7504.6
135°1106.4854.5717.3637.7594.9567.0522.6
150°1322.11002.0825.6716.3646.5604.6551.8
Run VMG1480.91113.9904.7773.6685.1628.3567.0
Selected Courses
Windward / Leeward1459.91133.3957.2852.0789.3757.2735.0
All purpose1121.4885.9762.9694.5655.3633.6612.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward903.70.6640
All purpose730.60.8212
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5822
Downwind "popa"0.6825
70% up, 30% down "Ilhabela"0.6091
30% up, 70% down "Ilhabela-inverso"0.6490
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Predominantly Upwind783.60.7657
Predominantly Downwind751.50.7984
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low1003.70.5978
Triple Number All Purpose Medium723.50.8293
Triple Number All Purpose High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Predominantly Upwind783.60.7657
Predominantly Downwind751.50.7984
Predominantly Upwind Low1096.70.5471
Predominantly Upwind Medium800.30.7497
Predominantly Upwind High736.80.8143
Predominantly Downwind Low1118.10.5366
Predominantly Downwind Medium745.40.8049
Predominantly Downwind High597.31.0046
Chicago-Mac Upwind0.7482
Chicago-Mac All Purpose0.7630
Chicago-Mac Downwind0.7807
Bayview-Mac Cove Island0.6985
Bayview-Mac Shore0.7115
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching689.60.8700
Predominantly Reaching Low904.90.6631
Predominantly Reaching Medium685.70.8750
Predominantly Reaching High587.21.0218
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1434.70.4182
5-Band Low / Medium1165.60.5147
5-Band Medium874.50.6861
5-Band Medium / High766.80.7825
5-Band High738.80.8121
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance799.3
Triple Number Coastal/Long Distance Low1003.7
Triple Number Coastal/Long Distance Medium723.5
Triple Number Coastal/Long Distance High631.0
Triple Number Windward/Leeward Low1296.5
Triple Number Windward/Leeward Medium894.9
Triple Number Windward/Leeward High756.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5978
Triple Number Coastal/Long Distance Medium0.8293
Triple Number Coastal/Long Distance High0.9509
Triple Number Windward/Leeward Low0.4628
Triple Number Windward/Leeward Medium0.6705
Triple Number Windward/Leeward High0.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low1003.7
Triple Number Coastal/Long Distance Medium723.5
Triple Number Coastal/Long Distance High631.0
Triple Number Windward/Leeward Low1296.5
Triple Number Windward/Leeward Medium894.9
Triple Number Windward/Leeward High756.9
Predominantly Upwind783.6
Predominantly Downwind751.5
Predominantly Reaching713.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5978
Triple Number Coastal/Long Distance Medium0.8293
Triple Number Coastal/Long Distance High0.9509
Triple Number Windward/Leeward Low0.4628
Triple Number Windward/Leeward Medium0.6705
Triple Number Windward/Leeward High0.7927
Coastal/Long Distance0.7506
Predominantly Upwind0.7657
Predominantly Downwind0.7984
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.5978
Tretall Distanseseilas Mellomvind0.8293
Tretall Distanseseilas Mye vind0.9509
Tretall Pølsebane Lite vind0.4628
Tretall Pølsebane Mellomvind0.6705
Tretall Pølsebane Mye vind0.7927
Distanseseilas ett tall (OSN 8-16kn)0.7506
Distanseseilas ett tall (APH 6-20kn)0.8212
Enkeltall Motvind0.7657
Enkeltall Medvind0.7984
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Coastal/Long Distance799.30.7506
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind783.60.7657
Predominantly Downwind751.50.7984
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore741.70.8090
Cape Doctor Coastal618.60.9699
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5978
Triple Number Coastal/Long Distance Medium0.8293
Triple Number Coastal/Long Distance High0.9509
Triple Number Windward/Leeward Low0.4628
Triple Number Windward/Leeward Medium0.6705
Triple Number Windward/Leeward High0.7927
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.5978
Triple Number Coastal/Long Distance Medium0.8293
Triple Number Coastal/Long Distance High0.9509
Triple Number Windward/Leeward Low0.4628
Triple Number Windward/Leeward Medium0.6705
Triple Number Windward/Leeward High0.7927
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Predominantly Upwind783.60.7657
Predominantly Downwind751.50.7984
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance799.30.7506
Triple Number Coastal/Long Distance Low1003.70.5978
Triple Number Coastal/Long Distance Medium723.50.8293
Triple Number Coastal/Long Distance High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1462.01066.6863.0744.9682.0640.9580.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low1003.70.5978
Triple Number All Purpose Medium723.50.8293
Triple Number All Purpose High631.00.9509
Triple Number Windward/Leeward Low1296.50.4628
Triple Number Windward/Leeward Medium894.90.6705
Triple Number Windward/Leeward High756.90.7927
Predominantly Upwind783.60.7657
Predominantly Downwind751.50.7984
Predominantly Upwind Low1096.70.5471
Predominantly Upwind Medium800.30.7497
Predominantly Upwind High736.80.8143
Predominantly Downwind Low1118.10.5366
Predominantly Downwind Medium745.40.8049
Predominantly Downwind High597.31.0046
Chicago-Mac Upwind0.7482
Chicago-Mac All Purpose0.7630
Chicago-Mac Downwind0.7807
Bayview-Mac Cove Island0.6985
Bayview-Mac Shore0.7115
Harvest Moon Regatta623.30.9626
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy748.50.8016
San Francisco Bay Medium896.20.6695
Predominantly Reaching689.60.8700
Predominantly Reaching Low904.90.6631
Predominantly Reaching Medium685.70.8750
Predominantly Reaching High587.21.0218
Windward/Leeward 60-40 Low1296.40.4628
Windward/Leeward 60-40 Medium919.10.6528
Windward/Leeward 60-40 High803.60.7466
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1434.70.4182
5-Band Low / Medium1165.60.5147
5-Band Medium874.50.6861
5-Band Medium / High766.80.7825
5-Band High738.80.8121
ORC Ref  03190002S0UIssued on 01/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

GURUGU

ITA-GRG23

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)
ClassChallenger BravoMeasurement01/01/1985HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.700Max. Beam2.984Draft1.554Displacement1,820Wetted area12.81IMS L6.615LSM06.296Acc. length8.700Sink (kg/mm) 9.01
VCGD-0.100VCGM-0.032RM Rated (kg·m) 32.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.396PBW0.100PIPA0.0164
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P8.450IG8.490ISPMDT10.095MDL10.140MDT2MDL2TLNo TaperMW0.140GO0.160
E3.150J3.010BAS1.190FSDNo FoilSFJ0.100SPLWPLTPSBD0.070MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.100Flotation Date12/04/2023MeasurerComment
SFFP0.899FFMFF1.249LCFcl4.585SG1.0250
SAFP7.921FAMFA1.080LCFsh4.814HBI1.177
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002S0UIssued on 01/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

GURUGU

ITA-GRG23

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.120.601.081.952.6515.4512/04/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.040.460.911.862.863.928.50NoNo 16.2112/04/2023
ORC Ref  03190002S0UIssued on 01/09/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org