Non Spin/HSFClub Certificate2025
VulcanRSA-31013
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
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 Angles42.3°42.3°40.0°38.3°37.4°36.9°36.7°36.7°37.5°
Beat VMG2.853.954.795.205.395.505.595.675.60
52°4.455.966.977.417.647.817.958.138.10
60°4.786.267.177.707.998.208.378.598.61
75°5.016.457.308.018.538.839.109.449.63
90°4.806.297.247.958.759.419.8310.4910.95
110°4.005.526.707.478.229.1210.1211.6112.77
120°3.515.036.337.207.898.689.6911.9313.78
135°2.944.285.536.577.307.948.6810.5613.01
150°2.413.584.695.706.567.217.779.1010.75
Run VMG2.083.104.074.945.816.627.268.499.97
Gybe Angles144.0°144.0°145.9°147.1°173.9°176.2°178.0°176.3°174.7°
APH ToD:532.4CDL: 9.688APH ToT: 1.1270CertNo:ZAN185
BOAT
ClassCape 31DesignerMillsBuilderNoordhoekAge date07/2017Series date07/2017Offset fileCAPE31.offData fileRSA31013
HULL
Length Overall9.573 mMaximum Beam3.054 mDraft2.446 mDisplacement1,875 kgDLR2.7224IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight595 kg(declared)Minimum weight465 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail36.6637.77Headsail Luffed23.4123.41Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.88Storm Jib7.82Heavy Weather Jib21.10
SAIL LIMITS
Headsails6
✱ Zero set flying
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
hylton.hale@afrimat.co.za
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.
Non Spin/HSFClub Certificate2025
VulcanRSA-31013
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1265.1910.7751.3692.7667.9654.0644.3634.8642.8
52°809.4603.8516.7486.0471.4461.0452.9442.9444.5
60°753.9575.5502.0467.3450.4438.9430.2419.3418.1
75°719.1558.3492.9449.2422.0407.5395.8381.4373.9
90°749.9572.0497.3452.8411.3382.7366.3343.1328.8
110°900.9652.0537.7482.0438.0394.5355.6310.0281.8
120°1024.2715.3569.0499.9456.2414.5371.4301.8261.3
135°1225.7840.5650.9547.6493.4453.2414.8341.0276.6
150°1492.91006.8766.8631.7549.1499.6463.5395.7334.8
Run VMG1727.21162.5885.4729.4619.6544.2495.8424.1361.1
Selected Courses
Windward / Leeward1493.91036.6818.4711.1643.7599.1570.1529.5502.0
All purpose1095.4781.1633.1559.7514.7483.1459.1422.8399.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward672.30.8925
All purpose532.41.1270
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8475
Downwind "popa"0.8640
70% up, 30% down "Ilhabela"0.8524
30% up, 70% down "Ilhabela-inverso"0.8590
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Predominantly Upwind563.51.0647
Predominantly Downwind566.31.0596
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low707.10.8485
Triple Number AP Medium531.71.1284
Triple Number AP High451.51.3289
Triple Number Windward/Leeward Low973.60.6162
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Single Number Predominant Upwind584.21.0270
Single Number Predominant Reaching525.61.1415
Single Number Predominant Downwind594.21.0098
Predominant Upwind - Low808.70.7420
Predominant Upwind - Low/Med618.10.9707
Predominant Upwind - Medium545.91.0992
Predominant Upwind - Med/High502.51.1941
Predominant Upwind - High478.81.2531
Predominant Downwind Low933.50.6427
Predominant Downwind Low/Med664.40.9031
Predominant Downwind Medium543.31.1044
Predominant Downwind Med/High459.01.3073
Predominant Downwind High404.41.4838
Predominant Reaching Low765.70.7836
Predominant Reaching Low/Med573.81.0456
Predominant Reaching Medium489.41.2261
Predominant Reaching Med/High430.11.3949
Predominant Reaching High392.11.5303
SA/DSPL Upwind39.43SA/DSPL Downwind39.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1096.90.5470
5-Band Windward/Leeward Low/Med786.90.7625
5-Band Windward/Leeward Medium655.80.9148
5-Band Windward/Leeward Med/High574.31.0448
5-Band Windward/Leeward High531.81.1283
Windward/Leeward 60-40 Low1069.40.5610
Windward/Leeward 60-40 Low/Med777.90.7713
Windward/Leeward 60-40 Medium659.60.9097
Windward/Leeward 60-40 Med/High588.71.0192
Windward/Leeward 60-40 High553.01.0850
5-Band AP Low800.90.7492
5-Band AP Low/Med611.50.9811
5-Band AP Medium522.11.1492
5-Band AP Med/High461.71.2994
5-Band AP High425.11.4116
5-Band SF Bay Tour - Low926.40.6476
5-Band SF Bay Tour - Low/Med744.50.8059
5-Band SF Bay Tour - Medium628.90.9541
5-Band SF Bay Tour - Med/High557.41.0763
5-Band SF Bay Tour - High517.21.1602
Chicago-Mac Upwind0.9941
Chicago-Mac All Purpose0.9853
Chicago-Mac Downwind0.9616
Bayview-Mac Cove Island0.6971
Bayview-Mac Shore0.7075
Harvest Moon Regatta445.21.3478
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance585.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating585.11.0255
FinRating, kevyt tuuli1081.90.9243
FinRating, kova tuuli425.01.1764
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0255
Triple Number Coastal/Long Distance Low0.8485
Triple Number Coastal/Long Distance Medium1.1285
Triple Number Coastal/Long Distance High1.3289
Triple Number Windward/Leeward Low0.6469
Triple Number Windward/Leeward Medium0.8961
Triple Number Windward/Leeward High1.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
For information
General Purpose Handicap (GPH)602.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low707.1
Triple Number Coastal/Long Distance Medium531.7
Triple Number Coastal/Long Distance High451.5
Triple Number Windward/Leeward Low927.5
Triple Number Windward/Leeward Medium669.6
Triple Number Windward/Leeward High562.1
Predominantly Upwind563.5
Predominantly Downwind566.3
Predominantly Reaching524.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8485
Triple Number Coastal/Long Distance Medium1.1285
Triple Number Coastal/Long Distance High1.3289
Triple Number Windward/Leeward Low0.6469
Triple Number Windward/Leeward Medium0.8961
Triple Number Windward/Leeward High1.0674
Coastal/Long Distance1.0255
Predominantly Upwind1.0647
Predominantly Downwind1.0596
For information
General Purpose Handicap (GPH)602.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1270
Distanseseilas Trippeltall svak vind0.8485
Distanseseilas Trippeltall mellomvind1.1285
Distanseseilas Trippeltall sterk vind1.3289
Pølsebane Trippeltall svak vind0.6469
Pølsebane Trippeltall mellomvind0.8961
Pølsebane Trippeltall sterk vind1.0674
Motvind Singeltall1.0647
Medvind Singeltall1.0596
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Coastal/Long Distance585.11.0255
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind563.51.0647
Predominantly Downwind566.31.0596
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore510.21.1759
Cape Doctor Coastal406.41.4762
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8485
Triple Number Coastal/Long Distance Medium1.1285
Triple Number Coastal/Long Distance High1.3289
Triple Number Windward/Leeward Low0.6469
Triple Number Windward/Leeward Medium0.8961
Triple Number Windward/Leeward High1.0674
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8485
Triple Number Coastal/Long Distance Medium1.1285
Triple Number Coastal/Long Distance High1.3289
Triple Number Windward/Leeward Low0.6469
Triple Number Windward/Leeward Medium0.8961
Triple Number Windward/Leeward High1.0674
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Predominantly Upwind563.51.0647
Predominantly Downwind566.31.0596
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.11.0255
Triple Number Coastal/Long Distance Low707.10.8485
Triple Number Coastal/Long Distance Medium531.71.1285
Triple Number Coastal/Long Distance High451.51.3289
Triple Number Windward/Leeward Low927.50.6469
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1635.21049.2771.5636.9552.8503.6463.2394.4369.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low707.10.8485
Triple Number AP Medium531.71.1284
Triple Number AP High451.51.3289
Triple Number Windward/Leeward Low973.60.6162
Triple Number Windward/Leeward Medium669.60.8961
Triple Number Windward/Leeward High562.11.0674
Single Number Predominant Upwind584.21.0270
Single Number Predominant Reaching525.61.1415
Single Number Predominant Downwind594.21.0098
Predominant Upwind - Low808.70.7420
Predominant Upwind - Low/Med618.10.9707
Predominant Upwind - Medium545.91.0992
Predominant Upwind - Med/High502.51.1941
Predominant Upwind - High478.81.2531
Predominant Downwind Low933.50.6427
Predominant Downwind Low/Med664.40.9031
Predominant Downwind Medium543.31.1044
Predominant Downwind Med/High459.01.3073
Predominant Downwind High404.41.4838
Predominant Reaching Low765.70.7836
Predominant Reaching Low/Med573.81.0456
Predominant Reaching Medium489.41.2261
Predominant Reaching Med/High430.11.3949
Predominant Reaching High392.11.5303
SA/DSPL Upwind39.43SA/DSPL Downwind39.43
Scoring OptionTODTOT
5-Band Windward/Leeward Low1096.90.5470
5-Band Windward/Leeward Low/Med786.90.7625
5-Band Windward/Leeward Medium655.80.9148
5-Band Windward/Leeward Med/High574.31.0448
5-Band Windward/Leeward High531.81.1283
Windward/Leeward 60-40 Low1069.40.5610
Windward/Leeward 60-40 Low/Med777.90.7713
Windward/Leeward 60-40 Medium659.60.9097
Windward/Leeward 60-40 Med/High588.71.0192
Windward/Leeward 60-40 High553.01.0850
5-Band AP Low800.90.7492
5-Band AP Low/Med611.50.9811
5-Band AP Medium522.11.1492
5-Band AP Med/High461.71.2994
5-Band AP High425.11.4116
5-Band SF Bay Tour - Low926.40.6476
5-Band SF Bay Tour - Low/Med744.50.8059
5-Band SF Bay Tour - Medium628.90.9541
5-Band SF Bay Tour - Med/High557.41.0763
5-Band SF Bay Tour - High517.21.1602
Chicago-Mac Upwind0.9941
Chicago-Mac All Purpose0.9853
Chicago-Mac Downwind0.9616
Bayview-Mac Cove Island0.6971
Bayview-Mac Shore0.7075
Harvest Moon Regatta445.21.3478
Non Spin/HSFClub Certificate2025
VulcanRSA-31013
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCape 31Measurement26/07/2017HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsYesTrim tabNo
LOA9.573Max. Beam3.054Draft2.446Displacement1,875Wetted area18.24IMS L9.377LSM08.830Acc. length9.573Sink (kg/mm) 14.57
VCGD-0.228VCGM-0.230RM Rated (kg·m) 71.7Limit of positive stability(°) N/AStability IndexN/ADefault crew weight576Declared crew weight595
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.381PBW0.100PIPA0.0033
EDL1.100ST10.055ST20.180
ST30.220ST40.100ST50.275
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P12.540IG12.500ISP13.700MDT10.106MDL10.200MDT20.075MDL20.140TL1.360MWGO
E4.500J3.600BAS1.200FSD0.034SFJ0.330SPL0.000WPLTPS5.945BD0.150MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date10/04/2025
W150.8W250.8W350.8W450.8
PD1531.7PD2528.7PD3528.0PD4530.3
WD9.550PLM9000.00GSA1.0RSA1.0RM72.1
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
VulcanRSA-31013
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment311.111.512.123.033.7936.6604/12/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentNo20.100.561.031.902.773.6612.40YesNo 23.4102/12/2017Black string