Double HandedClub Certificate2026
AstraRSA-4763
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 Angles45.9°43.0°40.8°40.4°40.8°41.2°41.5°42.6°44.8°
Beat VMG1.852.673.223.493.593.623.643.633.49
52°2.904.064.775.165.335.435.475.505.41
60°3.114.284.995.405.605.685.735.785.76
75°3.234.445.205.635.855.986.056.146.17
90°3.124.375.195.705.986.166.296.466.56
110°2.764.014.965.626.006.276.526.927.13
120°2.553.764.725.455.916.216.486.997.46
135°2.183.294.235.015.615.996.286.857.46
150°1.872.853.754.535.195.706.056.607.20
Run VMG1.622.473.284.024.695.285.736.336.88
Gybe Angles150.7°152.5°159.5°171.2°172.6°174.1°179.9°177.1°176.7°
APH ToD:745.3CDL: 5.557APH ToT: 0.8051CertNo:ZAD011
BOAT
ClassTumlarenDesignerKnud H. ReimersBuilderUnknownAge date01/1934Series date01/1934Offset fileastra.offData fileRSA4763
HULL
Length Overall8.281 mMaximum Beam1.878 mDraft1.280 mDisplacement1,814 kgDLR6.2142IMS DivisionSportboatDynamic Allowance0.410%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail15.3715.68Headsail Luffed9.509.50Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail4.63Storm Jib2.44Heavy Weather Jib6.59
SAIL LIMITS
Headsails5Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 13.5 kg·m Stability Index 137.8
COMMENTS
079 045 1318
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  04620004LVR Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AstraRSA-4763
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 VMG1944.61346.21119.21030.71003.2993.6988.4992.21031.6
52°1241.8886.7754.3697.2676.0662.9657.9654.8665.8
60°1158.7841.2720.7667.2643.4633.6628.1622.5625.3
75°1114.0810.3692.5639.3615.3602.2595.3586.2583.4
90°1153.9824.3693.1632.0602.0584.6572.5557.2548.7
110°1304.2898.1726.2640.6599.5573.7552.4520.6504.8
120°1411.9956.6763.0660.6609.3579.7555.5514.9482.8
135°1651.21095.0850.4718.5642.2600.7573.1525.7482.8
150°1923.81264.3961.0795.1693.0631.2595.4545.1500.1
Run VMG2220.11456.41098.0895.3767.6682.3628.1569.0523.3
Selected Courses
Windward / Leeward2082.31401.31108.6963.0885.4838.0808.2780.6777.5
All purpose1569.81075.1868.2767.3716.2686.7668.1645.5637.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward926.60.6475
All purpose745.30.8051
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5620
Downwind "popa"0.6889
70% up, 30% down "Ilhabela"0.5949
30% up, 70% down "Ilhabela-inverso"0.6452
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Predominantly Upwind809.10.7416
Predominantly Downwind756.50.7931
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP779.00.7702 Predom. Rc High603.50.9942 5B SF Bay L/M1017.90.5894 TriNum AP Low971.60.6175 Predom. Dn Low1247.10.4811 5B SF Bay Med875.50.6853 TriNum AP Med738.60.8124 Predom. Dn L/M876.50.6846 5B SF Bay M/H801.80.7483 TriNum AP High664.30.9033 Predom. Dn Med724.80.8278 5B SF Bay High775.90.7733 TriNum W/L Low1323.20.4535 Predom. Dn M/H638.20.9402 5B AP Low1106.50.5422 TriNum W/L Med918.00.6536 Predom. Dn High597.81.0038 5B AP L/M840.60.7138 TriNum W/L Hig805.40.7450 ChiMac Up Low1020.90.5877 5B AP Med728.30.8238 Predom. Upwind846.40.7089 ChiMac Up Med922.80.6502 5B AP M/H671.40.8936 Predom. Reaching742.80.8078 ChiMac Up High809.70.7410 5B AP High648.10.9259 Predom. Downwind802.00.7481 ChiMac Off Low1046.40.5734 5B W/L Low1498.40.4004 Predom. Up Low1165.60.5147 ChiMac Off Med906.20.6621 5B W/L L/M1067.40.5621 Predom. Up L/M878.70.6828 ChiMac Off High743.40.8071 5B W/L Med902.40.6649 Predom. Up Med783.70.7656 ChiMac AP Low1026.10.5847 5B W/L M/H815.10.7361 Predom. Up M/H742.10.8085 ChiMac AP Med908.90.6602 5B W/L High784.90.7645 Predom. Up High730.30.8216 ChiMac AP High772.80.7764 W/L 60-40 Low1486.50.4036 Predom. Rc Low1069.90.5608 BayMac Cove Island1198.10.5008 W/L 60-40 L/M1074.80.5582 Predom. Rc L/M788.30.7611 BayMac Shore1185.10.5063 W/L 60-40 Med924.80.6488 Predom. Rc Med683.40.8780 Harvest Moon640.00.9376 W/L 60-40 M/H850.30.7056 Predom. Rc M/H628.60.9545 5B SF Bay Low1244.10.4823 W/L 60-40 High827.60.7250      SA/DSPL Up16.70SA/DSPL Dn16.70
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance813.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating813.10.7379
FinRating, kevyt tuuli1484.80.6735
FinRating, kova tuuli650.30.7689
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7379
Triple Number Coastal/Long Distance Low0.6175
Triple Number Coastal/Long Distance Medium0.8125
Triple Number Coastal/Long Distance High0.9033
Triple Number Windward/Leeward Low0.4781
Triple Number Windward/Leeward Medium0.6536
Triple Number Windward/Leeward High0.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
For information
General Purpose Handicap (GPH)839.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Saronikos S All Purpose844.50.7105
Saronikos S Upwind947.40.6333
Saronikos S Downwind730.40.8215
Saronikos N All Purpose906.50.6619
Saronikos N Upwind993.20.6041
Saronikos N Downwind819.40.7323
Saronikos SW All Purpose851.60.7045
Saronikos SW Upwind962.60.6233
Saronikos SW Downwind754.80.7950
Saronikos NE All Purpose951.90.6303
Saronikos NE Upwind929.50.6455
Saronikos NE Downwind948.20.6328
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose779.00.7702
5-Band All Purpose Low1197.20.5012
5-Band All Purpose L/M872.70.6875
5-Band All Purpose Med751.20.7988
5-Band All Purpose M/H688.00.8721
5-Band All Purpose High662.40.9058
Single Number Predominant Upwind806.30.7442
Single Number Predominant Reaching707.40.8481
Single Number Predominant Downwind758.80.7907
5-Band 50-50 Windward/Leeward Low1498.40.4004
5-Band 50-50 Windward/Leeward L/M1067.40.5621
5-Band 50-50 Windward/Leeward Med902.40.6649
5-Band 50-50 Windward/Leeward M/H815.10.7361
5-Band 50-50 Windward/Leeward High784.90.7645
5-Band 60-40 Windward/Leeward Low1486.50.4036
5-Band 60-40 Windward/Leeward L/M1074.80.5582
5-Band 60-40 Windward/Leeward Med924.80.6488
5-Band 60-40 Windward/Leeward M/H850.30.7056
5-Band 60-40 Windward/Leeward High827.60.7250
Triple Number 50-50 Windward/Leeward Low1323.20.4535
Triple Number 50-50 Windward/Leeward Med918.10.6535
Triple Number 50-50 Windward/Leeward High805.30.7450
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward948.00.6329
Triple Number 60-40 Windward/Leeward Low1317.50.4554
Triple Number 60-40 Windward/Leeward Med938.40.6394
Triple Number 60-40 Windward/Leeward High842.50.7122
Triple Number All-Purpose Low1064.50.5636
Triple Number All-Purpose Med762.50.7869
Triple Number All-Purpose High680.10.8822
Triple Number Predominant Upwind Low1060.20.5659
Triple Number Predominant Upwind Med795.30.7544
Triple Number Predominant Upwind High747.30.8029
Triple Number Predominant Reaching Low959.60.6253
Triple Number Predominant Reaching Med706.20.8496
Triple Number Predominant Reaching High608.70.9857
Triple Number Predominant Downwind Low1095.60.5477
Triple Number Predominant Downwind Med740.00.8108
Triple Number Predominant Downwind High610.90.9821
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low971.7
Triple Number Coastal/Long Distance Medium738.5
Triple Number Coastal/Long Distance High664.2
Triple Number Windward/Leeward Low1255.0
Triple Number Windward/Leeward Medium918.0
Triple Number Windward/Leeward High805.4
Predominantly Upwind809.1
Predominantly Downwind756.5
Predominantly Reaching720.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6175
Triple Number Coastal/Long Distance Medium0.8125
Triple Number Coastal/Long Distance High0.9033
Triple Number Windward/Leeward Low0.4781
Triple Number Windward/Leeward Medium0.6536
Triple Number Windward/Leeward High0.7450
Coastal/Long Distance0.7379
Predominantly Upwind0.7416
Predominantly Downwind0.7931
For information
General Purpose Handicap (GPH)839.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8051
Distanseseilas Trippeltall svak vind0.6175
Distanseseilas Trippeltall mellomvind0.8125
Distanseseilas Trippeltall sterk vind0.9033
Pølsebane Trippeltall svak vind0.4781
Pølsebane Trippeltall mellomvind0.6536
Pølsebane Trippeltall sterk vind0.7450
Motvind Singeltall0.7416
Medvind Singeltall0.7931
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Coastal/Long Distance813.10.7379
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind809.10.7416
Predominantly Downwind756.50.7931
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore778.40.7708
Cape Doctor Coastal640.10.9374
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6175
Triple Number Coastal/Long Distance Medium0.8125
Triple Number Coastal/Long Distance High0.9033
Triple Number Windward/Leeward Low0.4781
Triple Number Windward/Leeward Medium0.6536
Triple Number Windward/Leeward High0.7450
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6175
Triple Number Coastal/Long Distance Medium0.8125
Triple Number Coastal/Long Distance High0.9033
Triple Number Windward/Leeward Low0.4781
Triple Number Windward/Leeward Medium0.6536
Triple Number Windward/Leeward High0.7450
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Predominantly Upwind809.10.7416
Predominantly Downwind756.50.7931
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance813.10.7379
Triple Number Coastal/Long Distance Low971.70.6175
Triple Number Coastal/Long Distance Medium738.50.8125
Triple Number Coastal/Long Distance High664.20.9033
Triple Number Windward/Leeward Low1255.00.4781
Triple Number Windward/Leeward Medium918.00.6536
Triple Number Windward/Leeward High805.40.7450
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2096.11406.91043.8866.6768.2713.8672.4606.4592.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP779.00.7702 Predom. Dn High597.81.0038 5B AP M/H671.40.8936 TriNum AP Low971.60.6175 Predom. Rc Low1069.90.5608 5B AP High648.10.9259 TriNum AP Med738.60.8124 Predom. Rc L/M788.30.7611 5B SF Bay Low1244.10.4823 TriNum AP High664.30.9033 Predom. Rc Med683.40.8780 5B SF Bay L/M1017.90.5894 TriNum W/L Low1323.20.4535 Predom. Rc M/H628.60.9545 5B SF Bay Med875.50.6853 TriNum W/L Med918.00.6536 Predom. Rc High603.50.9942 5B SF Bay M/H801.80.7483 TriNum W/L Hig805.40.7450 5B W/L Low1498.40.4004 5B SF Bay High775.90.7733 Predom. Upwind846.40.7089 5B W/L L/M1067.40.5621 ChiMac Up Low1020.90.5877 Predom. Reaching742.80.8078 5B W/L Med902.40.6649 ChiMac Up Med922.80.6502 Predom. Downwind802.00.7481 5B W/L M/H815.10.7361 ChiMac Up High809.70.7410 Predom. Up Low1165.60.5147 5B W/L High784.90.7645 ChiMac Off Low1046.40.5734 Predom. Up L/M878.70.6828 W/L 60-40 Low1486.50.4036 ChiMac Off Med906.20.6621 Predom. Up Med783.70.7656 W/L 60-40 L/M1074.80.5582 ChiMac Off High743.40.8071 Predom. Up M/H742.10.8085 W/L 60-40 Med924.80.6488 ChiMac AP Low1026.10.5847 Predom. Up High730.30.8216 W/L 60-40 M/H850.30.7056 ChiMac AP Med908.90.6602 Predom. Dn Low1247.10.4811 W/L 60-40 High827.60.7250 ChiMac AP High772.80.7764 Predom. Dn L/M876.50.6846 5B AP Low1106.50.5422 BayMac Cove Island1198.10.5008 Predom. Dn Med724.80.8278 5B AP L/M840.60.7138 BayMac Shore1185.10.5063 Predom. Dn M/H638.20.9402 5B AP Med728.30.8238 Harvest Moon640.00.9376      SA/DSPL Up16.70SA/DSPL Dn16.70
ORC Ref  04620004LVR Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AstraRSA-4763
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTumlarenMeasurement11/09/2022HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall8.281Maximum beam1.878Draft1.280Displacement1,814Wetted area13.33IMS L6.682LSM06.633Accomod. length6.104Sink (kg/mm) 7.08
VCGD-0.215VCGM-0.206 RM Rated (kg·m) 13.5Limit of positive stability(°) 135.1 Stability Index 137.8 BLR index 0.0000Default crew weight170 Declared crew weight 250
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P8.610IG6.985ISP7.302MDT10.084MDL10.115MDT2MDL2TLTaperMWGO
E3.070J1.890BAS0.855FSDNo FoilSFJ1.745SPL2.035WPLTPSBD0.101MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/09/2022
SFFP0.500FFM0.780FF0.780LCFcl4.589SG1.0253
SAFP8.424FAM0.655FA0.655LCFsh4.687HBI0.600
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04620004LVR Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
AstraRSA-4763
ORC
Central Rating Office
Issuing certificates for
SOUTH AFRICA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.160.621.101.882.5515.3711/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.370.711.402.142.836.69NoNo 9.5011/09/2022
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04620004LVR Issued on 19/04/2026 Valid until 31/01/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org