Club
One Design
 Certificate
2023

Boat

BIG BANG

ITA-177M32

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 Angles41.8°38.2°37.2°37.0°36.6°36.9°37.5°
Beat VMG4.344.995.245.365.435.465.44
52°6.497.127.377.537.657.737.73
60°6.767.367.667.868.018.118.20
75°6.937.628.098.388.628.819.05
90°6.857.598.298.859.259.5910.06
110°6.877.658.198.709.4110.3011.51
120°6.757.758.479.109.7510.3911.84
135°6.157.378.379.5010.5811.4813.42
150°5.186.457.348.339.4910.8214.43
Run VMG4.495.596.377.218.229.3712.50
Gybe Angles143.0°147.8°152.3°148.7°146.0°144.7°149.0°

APH: 483.9

CDL: 9.480

GPH: 536.3

CertNo: 23/1

BOAT
ClassMELGES 32 ODDesignerREICHEL/PUGHBuilderMelgesAge dateSeries date03/2005Offset filemelg32.odData fileI177M32
HULL
Length Overall9.685 mMaximum Beam2.936 mDraft2.140 mDisplacement1,714 kgDLR2.8496IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight629 kgMinimum weight472 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.3142.62Headsail Luffed23.5823.58Headsail FlyingSymmetricAsymmetric125.49125.49 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.09Storm Jib7.89Heavy Weather Jib21.30
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Intestatario: Mazzanti Arturo
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  03190002ENOIssued on 27/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BIG BANG

ITA-177M32

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 VMG830.4721.7687.4671.6663.4659.8661.4
52°554.7505.7488.6477.9470.6465.9465.6
60°532.8489.2470.0457.9449.6443.7439.3
75°519.5472.7445.1429.4417.9408.8398.0
90°525.7474.2434.4406.9389.2375.6358.0
110°524.4470.7439.6413.9382.6349.6312.7
120°533.2464.7425.0395.5369.3346.6303.9
135°585.4488.4430.0378.9340.2313.7268.2
150°694.6558.0490.2432.4379.3332.6249.5
Run VMG802.1644.3565.2499.3438.0384.1288.1
Selected Courses
Windward / Leeward816.3683.0626.3585.4550.7522.0474.7
All purpose635.2548.1506.5476.2451.0430.2399.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward596.11.0066
All purpose483.91.2399
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8579
Downwind "popa"1.1599
70% up, 30% down "Ilhabela"0.9306
30% up, 70% down "Ilhabela-inverso"1.0491
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Predominantly Upwind534.61.1223
Predominantly Downwind472.11.2708
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low591.71.0141
Triple Number All Purpose Medium486.01.2346
Triple Number All Purpose High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Predominantly Upwind534.61.1223
Predominantly Downwind472.11.2708
Predominantly Upwind Low656.30.9142
Predominantly Upwind Medium564.61.0627
Predominantly Upwind High539.21.1128
Predominantly Downwind Low638.80.9393
Predominantly Downwind Medium467.71.2828
Predominantly Downwind High356.51.6831
Chicago-Mac Upwind1.1041
Chicago-Mac All Purpose1.1692
Chicago-Mac Downwind1.2440
Bayview-Mac Cove Island1.1015
Bayview-Mac Shore1.1036
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching452.11.3272
Predominantly Reaching Low540.21.1108
Predominantly Reaching Medium449.41.3350
Predominantly Reaching High384.21.5618
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low806.00.7444
5-Band Low / Medium700.40.8566
5-Band Medium589.21.0183
5-Band Medium / High524.21.1446
5-Band High482.91.2425
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance525.0
Triple Number Coastal/Long Distance Low591.7
Triple Number Coastal/Long Distance Medium486.0
Triple Number Coastal/Long Distance High423.8
Triple Number Windward/Leeward Low749.6
Triple Number Windward/Leeward Medium598.5
Triple Number Windward/Leeward High511.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0141
Triple Number Coastal/Long Distance Medium1.2346
Triple Number Coastal/Long Distance High1.4156
Triple Number Windward/Leeward Low0.8004
Triple Number Windward/Leeward Medium1.0025
Triple Number Windward/Leeward High1.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low591.7
Triple Number Coastal/Long Distance Medium486.0
Triple Number Coastal/Long Distance High423.8
Triple Number Windward/Leeward Low749.6
Triple Number Windward/Leeward Medium598.5
Triple Number Windward/Leeward High511.4
Predominantly Upwind534.6
Predominantly Downwind472.1
Predominantly Reaching457.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0141
Triple Number Coastal/Long Distance Medium1.2346
Triple Number Coastal/Long Distance High1.4156
Triple Number Windward/Leeward Low0.8004
Triple Number Windward/Leeward Medium1.0025
Triple Number Windward/Leeward High1.1732
Coastal/Long Distance1.1428
Predominantly Upwind1.1223
Predominantly Downwind1.2708
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0141
Tretall Distanseseilas Mellomvind1.2346
Tretall Distanseseilas Mye vind1.4156
Tretall Pølsebane Lite vind0.8004
Tretall Pølsebane Mellomvind1.0025
Tretall Pølsebane Mye vind1.1732
Distanseseilas ett tall (OSN 8-16kn)1.1428
Distanseseilas ett tall (APH 6-20kn)1.2399
Enkeltall Motvind1.1223
Enkeltall Medvind1.2708
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Coastal/Long Distance525.01.1428
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind534.61.1223
Predominantly Downwind472.11.2708
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore488.91.2272
Cape Doctor Coastal408.71.4681
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0141
Triple Number Coastal/Long Distance Medium1.2346
Triple Number Coastal/Long Distance High1.4156
Triple Number Windward/Leeward Low0.8004
Triple Number Windward/Leeward Medium1.0025
Triple Number Windward/Leeward High1.1732
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0141
Triple Number Coastal/Long Distance Medium1.2346
Triple Number Coastal/Long Distance High1.4156
Triple Number Windward/Leeward Low0.8004
Triple Number Windward/Leeward Medium1.0025
Triple Number Windward/Leeward High1.1732
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Predominantly Upwind534.61.1223
Predominantly Downwind472.11.2708
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance525.01.1428
Triple Number Coastal/Long Distance Low591.71.0141
Triple Number Coastal/Long Distance Medium486.01.2346
Triple Number Coastal/Long Distance High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance814.8645.7567.1509.9469.4434.7377.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low591.71.0141
Triple Number All Purpose Medium486.01.2346
Triple Number All Purpose High423.81.4156
Triple Number Windward/Leeward Low749.60.8004
Triple Number Windward/Leeward Medium598.51.0025
Triple Number Windward/Leeward High511.41.1732
Predominantly Upwind534.61.1223
Predominantly Downwind472.11.2708
Predominantly Upwind Low656.30.9142
Predominantly Upwind Medium564.61.0627
Predominantly Upwind High539.21.1128
Predominantly Downwind Low638.80.9393
Predominantly Downwind Medium467.71.2828
Predominantly Downwind High356.51.6831
Chicago-Mac Upwind1.1041
Chicago-Mac All Purpose1.1692
Chicago-Mac Downwind1.2440
Bayview-Mac Cove Island1.1015
Bayview-Mac Shore1.1036
Harvest Moon Regatta402.31.4913
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy503.41.1920
San Francisco Bay Medium584.11.0271
Predominantly Reaching452.11.3272
Predominantly Reaching Low540.21.1108
Predominantly Reaching Medium449.41.3350
Predominantly Reaching High384.21.5618
Windward/Leeward 60-40 Low754.90.7948
Windward/Leeward 60-40 Medium625.80.9587
Windward/Leeward 60-40 High562.41.0668
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low806.00.7444
5-Band Low / Medium700.40.8566
5-Band Medium589.21.0183
5-Band Medium / High524.21.1446
5-Band High482.91.2425
ORC Ref  03190002ENOIssued on 27/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BIG BANG

ITA-177M32

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)
ClassMELGES 32 ODMeasurement25/04/2014HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.685Max. Beam2.936Draft2.140Displacement1,714Wetted area15.78IMS L9.072LSM08.441Acc. length9.542Sink (kg/mm) 12.18
VCGD-0.368VCGM-0.371RM Rated (kg·m) 54.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays0Spreaders2Rotating mastNo
P13.426IG12.426ISP14.722MDT10.092MDL10.170MDT20.083MDL20.148TL1.825MW0.170GO0.205
E4.720J3.290BAS1.340FSD0.030SFJ0.140SPLWPLTPS5.900BD0.153MWT70.00MCG5.050
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date01/01/2013MeasurerComment
SFFP1.040FFMFF0.958LCFcl5.151SG1.0280
SAFP9.480FAMFA0.702LCFsh5.345HBI0.915
W136.0W236.0W336.0W436.0
PD1545.0PD2546.7PD3547.0PD4544.9
WD10.520PLM9000.00GSA1.0RSA1.0RM54.6
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGB1BatteryBattery156.730.00B2BatteryBattery157.180.00AEngineCLASS RULES ENGINE STOWED IN ENGINE COMPARTMENTTotal deductible0
ORC Ref  03190002ENOIssued on 27/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
One Design
 Certificate
2023

Boat

BIG BANG

ITA-177M32

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.211.272.123.404.2741.31CLASS RULE
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.080.581.041.942.773.5312.55YesNo 23.5805/03/2013CLASS RULE
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentCLASSMAX17.0014.5715.799.509.7098%125.49
ORC Ref  03190002ENOIssued on 27/03/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org