Double HandedClub Certificate2026
Just FunRSA-1796
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 Angles46.7°43.8°41.7°40.2°39.5°39.3°39.3°40.0°42.3°
Beat VMG2.353.374.114.454.594.694.744.734.50
52°3.715.196.166.546.676.776.846.896.77
60°4.025.506.436.806.947.027.097.167.10
75°4.285.756.647.087.317.437.537.647.67
90°4.205.686.627.147.537.807.978.208.34
110°3.995.626.727.347.858.198.499.069.42
120°3.835.446.577.237.818.398.979.7810.52
135°3.314.806.006.877.458.048.7310.4312.44
150°2.734.025.156.166.947.498.059.5211.83
Run VMG2.363.484.465.336.136.727.228.3010.25
Gybe Angles138.7°142.3°146.7°150.3°157.3°165.8°166.7°157.7°146.5°
APH ToD:573.5CDL: 7.917APH ToT: 1.0461CertNo:ZAD272
BOAT
ClassMount Gay 30DesignerAlex SimonisBuilderHarvey YachtsAge date01/1995Series date01/1995Offset fileRSA95B59.offData fileRSA1796
HULL
Length Overall9.600Maximum Beam3.282Draft1.957Displacement2,893DLR4.7681IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.400m
CREW
Maximum weight170(default)Minimum weight120 ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.0335.84Headsail Luffed18.0718.07Headsail Flying30.3830.38Symmetric78.8578.85Asymmetric66.3466.34 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail10.30Storm Jib6.99Heavy Weather Jib18.86
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 85.0 Stability Index 109.8
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  04620004BVC Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just FunRSA-1796
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 VMG1532.71066.8875.4808.6783.8768.2759.3760.9799.7
52°969.7693.7584.7550.6539.3531.6526.3522.7532.0
60°895.4654.6559.7529.2518.9512.9507.7503.0507.1
75°840.9626.0541.9508.7492.8484.4478.4471.2469.4
90°856.2633.5543.8504.4478.3461.3451.6439.0431.7
110°901.3640.5535.9490.5458.9439.4424.1397.3382.0
120°939.3662.0547.6498.0461.1428.9401.3368.1342.2
135°1088.1749.3599.6524.2483.0447.7412.4345.0289.3
150°1319.6895.7699.0584.8518.9480.8447.1378.2304.3
Run VMG1523.81034.3807.1675.2587.5536.0498.9433.6351.4
Selected Courses
Windward / Leeward1528.31050.5841.3741.9685.6652.1629.1597.2575.5
All purpose1143.5801.5656.5591.8556.0533.1515.7489.6474.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward713.90.8404
All purpose573.51.0461
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7213
Downwind "popa"0.9185
70% up, 30% down "Ilhabela"0.7709
30% up, 70% down "Ilhabela-inverso"0.8489
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Predominantly Upwind628.30.9549
Predominantly Downwind573.61.0460
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP596.91.0053 Predom. Rc High454.71.3196 5B SF Bay L/M775.10.7741 TriNum AP Low729.00.8230 Predom. Dn Low894.50.6707 5B SF Bay Med674.40.8896 TriNum AP Med570.61.0515 Predom. Dn L/M653.60.9181 5B SF Bay M/H615.90.9742 TriNum AP High510.31.1759 Predom. Dn Med554.71.0818 5B SF Bay High585.11.0255 TriNum W/L Low994.20.6035 Predom. Dn M/H488.01.2295 5B AP Low811.90.7390 TriNum W/L Med709.00.8463 Predom. Dn High440.91.3607 5B AP L/M640.20.9372 TriNum W/L Hig622.90.9632 ChiMac Up Low784.40.7649 5B AP Med563.11.0655 Predom. Upwind655.70.9151 ChiMac Up Med712.20.8424 5B AP M/H517.61.1591 Predom. Reaching565.81.0605 ChiMac Up High627.80.9558 5B AP High491.51.2208 Predom. Downwind600.20.9996 ChiMac Off Low765.60.7837 5B W/L Low1117.60.5368 Predom. Up Low889.00.6749 ChiMac Off Med672.40.8923 5B W/L L/M814.10.7370 Predom. Up L/M679.70.8828 ChiMac Off High560.01.0713 5B W/L Med697.60.8601 Predom. Up Med611.90.9805 ChiMac AP Low770.70.7785 5B W/L M/H632.40.9488 Predom. Up M/H577.21.0395 ChiMac AP Med689.30.8705 5B W/L High599.01.0017 Predom. Up High562.61.0664 ChiMac AP High592.11.0133 W/L 60-40 Low1121.20.5351 Predom. Rc Low787.60.7618 BayMac Cove Island892.00.6726 W/L 60-40 L/M824.60.7277 Predom. Rc L/M599.51.0008 BayMac Shore884.10.6786 W/L 60-40 Med716.20.8377 Predom. Rc Med529.41.1334 Harvest Moon490.41.2236 W/L 60-40 M/H658.50.9111 Predom. Rc M/H484.11.2395 5B SF Bay Low935.30.6415 W/L 60-40 High632.70.9484      SA/DSPL Up26.06SA/DSPL Dn55.89
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance625.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating625.20.9597
FinRating, kevyt tuuli1099.80.9092
FinRating, kova tuuli492.51.0153
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9597
Triple Number Coastal/Long Distance Low0.8230
Triple Number Coastal/Long Distance Medium1.0516
Triple Number Coastal/Long Distance High1.1759
Triple Number Windward/Leeward Low0.6343
Triple Number Windward/Leeward Medium0.8463
Triple Number Windward/Leeward High0.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
For information
General Purpose Handicap (GPH)642.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Saronikos S All Purpose649.30.9241
Saronikos S Upwind742.30.8083
Saronikos S Downwind534.21.1232
Saronikos N All Purpose649.30.9241
Saronikos N Upwind776.10.7731
Saronikos N Downwind595.81.0071
Saronikos SW All Purpose648.30.9255
Saronikos SW Upwind754.20.7955
Saronikos SW Downwind543.81.1033
Saronikos NE All Purpose714.40.8398
Saronikos NE Upwind724.60.8280
Saronikos NE Downwind673.30.8911
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose596.91.0053
5-Band All Purpose Low886.80.6766
5-Band All Purpose L/M664.30.9032
5-Band All Purpose Med581.71.0315
5-Band All Purpose M/H531.81.1283
5-Band All Purpose High502.01.1953
Single Number Predominant Upwind626.40.9578
Single Number Predominant Reaching543.71.1036
Single Number Predominant Downwind575.11.0433
5-Band 50-50 Windward/Leeward Low1117.60.5368
5-Band 50-50 Windward/Leeward L/M814.10.7370
5-Band 50-50 Windward/Leeward Med697.60.8601
5-Band 50-50 Windward/Leeward M/H632.40.9488
5-Band 50-50 Windward/Leeward High599.01.0017
5-Band 60-40 Windward/Leeward Low1121.20.5351
5-Band 60-40 Windward/Leeward L/M824.60.7277
5-Band 60-40 Windward/Leeward Med716.20.8377
5-Band 60-40 Windward/Leeward M/H658.50.9111
5-Band 60-40 Windward/Leeward High632.70.9484
Triple Number 50-50 Windward/Leeward Low994.20.6035
Triple Number 50-50 Windward/Leeward Med709.10.8462
Triple Number 50-50 Windward/Leeward High622.90.9632
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward732.20.8194
Triple Number 60-40 Windward/Leeward Low999.50.6003
Triple Number 60-40 Windward/Leeward Med726.40.8260
Triple Number 60-40 Windward/Leeward High650.80.9220
Triple Number All-Purpose Low795.40.7543
Triple Number All-Purpose Med589.81.0173
Triple Number All-Purpose High523.51.1462
Triple Number Predominant Upwind Low809.10.7415
Triple Number Predominant Upwind Med620.30.9672
Triple Number Predominant Upwind High581.41.0320
Triple Number Predominant Reaching Low715.00.8392
Triple Number Predominant Reaching Med546.81.0972
Triple Number Predominant Reaching High466.11.2872
Triple Number Predominant Downwind Low796.10.7537
Triple Number Predominant Downwind Med564.71.0626
Triple Number Predominant Downwind High462.41.2975
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low729.0
Triple Number Coastal/Long Distance Medium570.6
Triple Number Coastal/Long Distance High510.2
Triple Number Windward/Leeward Low945.9
Triple Number Windward/Leeward Medium709.0
Triple Number Windward/Leeward High622.9
Predominantly Upwind628.3
Predominantly Downwind573.6
Predominantly Reaching550.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8230
Triple Number Coastal/Long Distance Medium1.0516
Triple Number Coastal/Long Distance High1.1759
Triple Number Windward/Leeward Low0.6343
Triple Number Windward/Leeward Medium0.8463
Triple Number Windward/Leeward High0.9632
Coastal/Long Distance0.9597
Predominantly Upwind0.9549
Predominantly Downwind1.0460
For information
General Purpose Handicap (GPH)642.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0461
Distanseseilas Trippeltall svak vind0.8230
Distanseseilas Trippeltall mellomvind1.0516
Distanseseilas Trippeltall sterk vind1.1759
Pølsebane Trippeltall svak vind0.6343
Pølsebane Trippeltall mellomvind0.8463
Pølsebane Trippeltall sterk vind0.9632
Motvind Singeltall0.9549
Medvind Singeltall1.0460
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Coastal/Long Distance625.20.9597
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind628.30.9549
Predominantly Downwind573.61.0460
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore582.01.0308
Cape Doctor Coastal478.91.2528
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8230
Triple Number Coastal/Long Distance Medium1.0516
Triple Number Coastal/Long Distance High1.1759
Triple Number Windward/Leeward Low0.6343
Triple Number Windward/Leeward Medium0.8463
Triple Number Windward/Leeward High0.9632
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8230
Triple Number Coastal/Long Distance Medium1.0516
Triple Number Coastal/Long Distance High1.1759
Triple Number Windward/Leeward Low0.6343
Triple Number Windward/Leeward Medium0.8463
Triple Number Windward/Leeward High0.9632
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Predominantly Upwind628.30.9549
Predominantly Downwind573.61.0460
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance625.20.9597
Triple Number Coastal/Long Distance Low729.00.8230
Triple Number Coastal/Long Distance Medium570.61.0516
Triple Number Coastal/Long Distance High510.21.1759
Triple Number Windward/Leeward Low945.90.6343
Triple Number Windward/Leeward Medium709.00.8463
Triple Number Windward/Leeward High622.90.9632
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1527.81048.9790.5667.7595.9553.6518.4462.8444.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP596.91.0053 Predom. Dn High440.91.3607 5B AP M/H517.61.1591 TriNum AP Low729.00.8230 Predom. Rc Low787.60.7618 5B AP High491.51.2208 TriNum AP Med570.61.0515 Predom. Rc L/M599.51.0008 5B SF Bay Low935.30.6415 TriNum AP High510.31.1759 Predom. Rc Med529.41.1334 5B SF Bay L/M775.10.7741 TriNum W/L Low994.20.6035 Predom. Rc M/H484.11.2395 5B SF Bay Med674.40.8896 TriNum W/L Med709.00.8463 Predom. Rc High454.71.3196 5B SF Bay M/H615.90.9742 TriNum W/L Hig622.90.9632 5B W/L Low1117.60.5368 5B SF Bay High585.11.0255 Predom. Upwind655.70.9151 5B W/L L/M814.10.7370 ChiMac Up Low784.40.7649 Predom. Reaching565.81.0605 5B W/L Med697.60.8601 ChiMac Up Med712.20.8424 Predom. Downwind600.20.9996 5B W/L M/H632.40.9488 ChiMac Up High627.80.9558 Predom. Up Low889.00.6749 5B W/L High599.01.0017 ChiMac Off Low765.60.7837 Predom. Up L/M679.70.8828 W/L 60-40 Low1121.20.5351 ChiMac Off Med672.40.8923 Predom. Up Med611.90.9805 W/L 60-40 L/M824.60.7277 ChiMac Off High560.01.0713 Predom. Up M/H577.21.0395 W/L 60-40 Med716.20.8377 ChiMac AP Low770.70.7785 Predom. Up High562.61.0664 W/L 60-40 M/H658.50.9111 ChiMac AP Med689.30.8705 Predom. Dn Low894.50.6707 W/L 60-40 High632.70.9484 ChiMac AP High592.11.0133 Predom. Dn L/M653.60.9181 5B AP Low811.90.7390 BayMac Cove Island892.00.6726 Predom. Dn Med554.71.0818 5B AP L/M640.20.9372 BayMac Shore884.10.6786 Predom. Dn M/H488.01.2295 5B AP Med563.11.0655 Harvest Moon490.41.2236      SA/DSPL Up26.06SA/DSPL Dn55.89
ORC Ref  04620004BVC Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just FunRSA-1796
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMount Gay 30Measurement04/02/2018HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.600Maximum beam3.282Draft1.957Displacement2,893Wetted area19.34IMS L8.575LSM08.465Accomod. length9.600Sink (kg/mm) 15.05
VCGD0.038VCGM0.028 RM Rated (kg·m) 85.0Limit of positive stability(°) 115.5 Stability Index 109.8 BLR index 0.0000Default crew weight170 Declared crew weight 683
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBW0.122PIPA0.0164
EDL1.120ST10.042ST20.180
ST30.180ST40.112ST50.220
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P12.560IG11.700ISP11.410MDT10.095MDL10.165MDT20.095MDL20.095TL2.600MW0.165GO0.200
E4.683J3.490BAS1.631FSDFoilSFJ0.140SPL3.851WPLTPS4.512BD0.140MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date07/02/2018
SFFP0.536FFM1.114FF1.114LCFcl5.560SG1.0262
SAFP8.953FAM0.838FA0.838LCFsh5.787HBI0.998
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004BVC Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
Just FunRSA-1796
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM010.170.971.773.033.9335.0308/02/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentCode 00.000.691.382.714.035.2211.33NoYes030.3818/02/2025J010.080.420.791.562.423.3511.12YesNo 18.0708/02/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS212.8112.8112.817.457.1378.8518/02/2025S0411.6211.6211.627.006.8667.5118/02/2025S2.511.6411.6411.646.506.3162.6818/02/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentASYM 0111.4610.9611.217.027.4394%66.3419/02/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04620004BVC Issued on 18/02/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org