Club Certificate2026
BLOOM COUNTYUSA 18151
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles45.1°42.6°40.4°38.6°38.2°38.3°38.9°39.7°42.3°
Beat VMG2.483.554.324.734.854.904.924.894.70
52°3.865.376.326.756.896.977.027.056.96
60°4.135.656.536.967.147.247.327.387.30
75°4.405.996.777.157.507.707.837.998.03
90°4.636.247.027.457.718.038.338.728.95
110°4.486.257.157.688.218.699.099.7810.25
120°4.346.157.147.858.438.939.6110.9011.80
135°3.875.506.727.508.299.2310.3612.0913.92
150°3.204.625.806.727.458.129.0211.8615.48
Run VMG2.774.005.025.826.457.037.8110.2713.41
Gybe Angles139.3°142.3°146.5°150.3°151.2°148.4°144.5°145.4°149.3°
APH ToD:540.5CDL: 8.363APH ToT: 1.1101CertNo:USA 18151
BOAT
ClassMANCEBO 31DesignerManceboBuilderManceboAge date01/1984Series date01/1984Offset filemancebo31b.offData fileUSA 18151
HULL
Length Overall9.440 mMaximum Beam2.994 mDraft2.131 mDisplacement1,900 kgDLR3.2177IMS DivisionPerformanceDynamic Allowance0.190%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight400 kg(declared)Minimum weight270 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.7725.10Headsail Luffed20.7920.79Headsail FlyingSymmetricAsymmetric99.4899.48 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail7.27Storm Jib8.14Heavy Weather Jib21.97
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 53.4 kg·m Stability Index 112.2
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  04560004V02 Issued on 08/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLOOM COUNTYUSA 18151
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1450.91015.1834.0761.0742.5734.9731.2735.8765.9
52°931.5670.4569.2533.3522.3516.5512.5510.6516.9
60°870.6637.6551.0517.4504.3497.2491.9488.1493.3
75°817.6600.8531.5503.2479.9467.8459.6450.3448.2
90°777.5577.4512.6483.5467.0448.4432.3412.9402.1
110°803.6576.5503.7469.0438.4414.2395.9368.0351.3
120°829.3585.4504.5458.6427.1403.3374.7330.3305.2
135°930.3654.3535.4479.8434.1390.2347.4297.7258.7
150°1125.0779.3620.8535.7483.5443.4399.1303.7232.5
Run VMG1299.0899.9716.8618.5557.8512.0460.9350.6268.5
Selected Courses
Windward / Leeward1375.0957.5775.4689.8650.1623.4596.0543.2517.2
All purpose1038.8735.2613.3557.7528.1506.3485.6452.7436.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward669.90.8957
All purpose540.51.1101
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7561
Downwind "popa"1.0203
70% up, 30% down "Ilhabela"0.8198
30% up, 70% down "Ilhabela-inverso"0.9235
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Predominantly Upwind597.11.0048
Predominantly Downwind530.01.1321
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP558.41.0745 Predom. Rc High421.21.4246 5B SF Bay L/M719.30.8341 TriNum AP Low674.20.8899 Predom. Dn Low797.20.7526 5B SF Bay Med634.20.9460 TriNum AP Med539.71.1118 Predom. Dn L/M599.21.0013 5B SF Bay M/H578.81.0367 TriNum AP High478.41.2541 Predom. Dn Med517.11.1603 5B SF Bay High538.91.1133 TriNum W/L Low908.70.6603 Predom. Dn M/H447.61.3406 5B AP Low742.70.8079 TriNum W/L Med667.10.8994 Predom. Dn High393.31.5255 5B AP L/M599.11.0016 TriNum W/L Hig583.11.0290 ChiMac Up Low737.00.8142 5B AP Med532.91.1260 Predom. Upwind621.00.9661 ChiMac Up Med671.90.8929 5B AP M/H487.11.2317 Predom. Reaching527.71.1370 ChiMac Up High595.31.0079 5B AP High455.61.3169 Predom. Downwind550.01.0909 ChiMac Off Low692.20.8669 5B W/L Low1016.30.5904 Predom. Up Low831.00.7220 ChiMac Off Med613.10.9786 5B W/L L/M753.50.7963 Predom. Up L/M642.40.9339 ChiMac Off High513.71.1680 5B W/L Med658.10.9117 Predom. Up Med582.41.0302 ChiMac AP Low710.90.8440 5B W/L M/H596.31.0062 Predom. Up M/H550.21.0904 ChiMac AP Med640.10.9373 5B W/L High547.81.0952 Predom. Up High534.51.1225 ChiMac AP High553.31.0844 W/L 60-40 Low1028.80.5832 Predom. Rc Low717.00.8369 BayMac Cove Island816.80.7345 W/L 60-40 L/M767.10.7822 Predom. Rc L/M559.31.0728 BayMac Shore810.90.7399 W/L 60-40 Med676.60.8868 Predom. Rc Med499.61.2010 Harvest Moon459.81.3048 W/L 60-40 M/H623.80.9619 Predom. Rc M/H452.11.3271 5B SF Bay Low859.20.6983 W/L 60-40 High586.31.0233      SA/DSPL Up29.64SA/DSPL Dn80.82
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance587.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating587.71.0209
FinRating, kevyt tuuli998.11.0019
FinRating, kova tuuli455.71.0972
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0209
Triple Number Coastal/Long Distance Low0.8899
Triple Number Coastal/Long Distance Medium1.1119
Triple Number Coastal/Long Distance High1.2541
Triple Number Windward/Leeward Low0.6925
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
For information
General Purpose Handicap (GPH)602.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Saronikos S All Purpose606.10.9899
Saronikos S Upwind708.70.8466
Saronikos S Downwind476.21.2599
Saronikos N All Purpose649.50.9238
Saronikos N Upwind741.40.8093
Saronikos N Downwind540.61.1099
Saronikos SW All Purpose605.00.9918
Saronikos SW Upwind719.20.8343
Saronikos SW Downwind489.31.2261
Saronikos NE All Purpose665.70.9013
Saronikos NE Upwind690.90.8684
Saronikos NE Downwind604.60.9924
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose558.41.0745
5-Band All Purpose Low809.60.7411
5-Band All Purpose L/M619.00.9693
5-Band All Purpose Med549.11.0927
5-Band All Purpose M/H499.01.2025
5-Band All Purpose High464.31.2922
Single Number Predominant Upwind595.41.0077
Single Number Predominant Reaching510.31.1759
Single Number Predominant Downwind531.61.1287
5-Band 50-50 Windward/Leeward Low1016.30.5904
5-Band 50-50 Windward/Leeward L/M753.50.7963
5-Band 50-50 Windward/Leeward Med658.10.9117
5-Band 50-50 Windward/Leeward M/H596.31.0062
5-Band 50-50 Windward/Leeward High547.81.0952
5-Band 60-40 Windward/Leeward Low1028.80.5832
5-Band 60-40 Windward/Leeward L/M767.10.7822
5-Band 60-40 Windward/Leeward Med676.60.8868
5-Band 60-40 Windward/Leeward M/H623.80.9619
5-Band 60-40 Windward/Leeward High586.31.0233
Triple Number 50-50 Windward/Leeward Low908.70.6603
Triple Number 50-50 Windward/Leeward Med667.20.8993
Triple Number 50-50 Windward/Leeward High583.11.0290
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward689.10.8707
Triple Number 60-40 Windward/Leeward Low921.00.6515
Triple Number 60-40 Windward/Leeward Med684.60.8764
Triple Number 60-40 Windward/Leeward High613.20.9784
Triple Number All-Purpose Low730.60.8212
Triple Number All-Purpose Med556.31.0786
Triple Number All-Purpose High489.51.2258
Triple Number Predominant Upwind Low757.00.7926
Triple Number Predominant Upwind Med589.61.0176
Triple Number Predominant Upwind High556.41.0784
Triple Number Predominant Reaching Low656.50.9139
Triple Number Predominant Reaching Med516.51.1617
Triple Number Predominant Reaching High434.41.3814
Triple Number Predominant Downwind Low716.30.8376
Triple Number Predominant Downwind Med525.91.1408
Triple Number Predominant Downwind High418.21.4346
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low674.2
Triple Number Coastal/Long Distance Medium539.6
Triple Number Coastal/Long Distance High478.4
Triple Number Windward/Leeward Low866.4
Triple Number Windward/Leeward Medium667.1
Triple Number Windward/Leeward High583.1
Predominantly Upwind597.1
Predominantly Downwind530.0
Predominantly Reaching513.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8899
Triple Number Coastal/Long Distance Medium1.1119
Triple Number Coastal/Long Distance High1.2541
Triple Number Windward/Leeward Low0.6925
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0290
Coastal/Long Distance1.0209
Predominantly Upwind1.0048
Predominantly Downwind1.1321
For information
General Purpose Handicap (GPH)602.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1101
Distanseseilas Trippeltall svak vind0.8899
Distanseseilas Trippeltall mellomvind1.1119
Distanseseilas Trippeltall sterk vind1.2541
Pølsebane Trippeltall svak vind0.6925
Pølsebane Trippeltall mellomvind0.8994
Pølsebane Trippeltall sterk vind1.0290
Motvind Singeltall1.0048
Medvind Singeltall1.1321
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Coastal/Long Distance587.71.0209
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind597.11.0048
Predominantly Downwind530.01.1321
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore525.01.1428
Cape Doctor Coastal441.61.3588
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8899
Triple Number Coastal/Long Distance Medium1.1119
Triple Number Coastal/Long Distance High1.2541
Triple Number Windward/Leeward Low0.6925
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0290
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8899
Triple Number Coastal/Long Distance Medium1.1119
Triple Number Coastal/Long Distance High1.2541
Triple Number Windward/Leeward Low0.6925
Triple Number Windward/Leeward Medium0.8994
Triple Number Windward/Leeward High1.0290
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Predominantly Upwind597.11.0048
Predominantly Downwind530.01.1321
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.71.0209
Triple Number Coastal/Long Distance Low674.20.8899
Triple Number Coastal/Long Distance Medium539.61.1119
Triple Number Coastal/Long Distance High478.41.2541
Triple Number Windward/Leeward Low866.40.6925
Triple Number Windward/Leeward Medium667.10.8994
Triple Number Windward/Leeward High583.11.0290
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1367.4951.7729.8623.9565.3527.9490.4426.2406.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP558.41.0745 Predom. Dn High393.31.5255 5B AP M/H487.11.2317 TriNum AP Low674.20.8899 Predom. Rc Low717.00.8369 5B AP High455.61.3169 TriNum AP Med539.71.1118 Predom. Rc L/M559.31.0728 5B SF Bay Low859.20.6983 TriNum AP High478.41.2541 Predom. Rc Med499.61.2010 5B SF Bay L/M719.30.8341 TriNum W/L Low908.70.6603 Predom. Rc M/H452.11.3271 5B SF Bay Med634.20.9460 TriNum W/L Med667.10.8994 Predom. Rc High421.21.4246 5B SF Bay M/H578.81.0367 TriNum W/L Hig583.11.0290 5B W/L Low1016.30.5904 5B SF Bay High538.91.1133 Predom. Upwind621.00.9661 5B W/L L/M753.50.7963 ChiMac Up Low737.00.8142 Predom. Reaching527.71.1370 5B W/L Med658.10.9117 ChiMac Up Med671.90.8929 Predom. Downwind550.01.0909 5B W/L M/H596.31.0062 ChiMac Up High595.31.0079 Predom. Up Low831.00.7220 5B W/L High547.81.0952 ChiMac Off Low692.20.8669 Predom. Up L/M642.40.9339 W/L 60-40 Low1028.80.5832 ChiMac Off Med613.10.9786 Predom. Up Med582.41.0302 W/L 60-40 L/M767.10.7822 ChiMac Off High513.71.1680 Predom. Up M/H550.21.0904 W/L 60-40 Med676.60.8868 ChiMac AP Low710.90.8440 Predom. Up High534.51.1225 W/L 60-40 M/H623.80.9619 ChiMac AP Med640.10.9373 Predom. Dn Low797.20.7526 W/L 60-40 High586.31.0233 ChiMac AP High553.31.0844 Predom. Dn L/M599.21.0013 5B AP Low742.70.8079 BayMac Cove Island816.80.7345 Predom. Dn Med517.11.1603 5B AP L/M599.11.0016 BayMac Shore810.90.7399 Predom. Dn M/H447.61.3406 5B AP Med532.91.1260 Harvest Moon459.81.3048      SA/DSPL Up29.64SA/DSPL Dn80.82
ORC Ref  04560004V02 Issued on 08/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLOOM COUNTYUSA 18151
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMANCEBO 31Measurement13/03/2026HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.440Maximum beam2.994Draft2.131Displacement1,900Wetted area16.35IMS L8.636LSM08.389Accomod. length9.440Sink (kg/mm) 12.54
VCGD-0.113VCGM-0.131 RM Rated (kg·m) 53.4Limit of positive stability(°) 118.7 Stability Index 112.2 BLR index 0.0000Default crew weight536 Declared crew weight 400
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.050IG12.615ISP13.627MDT10.111MDL10.175MDT20.095MDL20.128TL1.300MW0.160GO0.194
E3.444J3.085BAS1.425FSD0.026SFJ0.575SPLWPLTPS4.950BD0.122MWT88.00MCG4.547
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date13/03/2026CommentCONDITIONS CALM TO 5 KNOTS
SFFP0.457FFM0.995FF0.997LCFcl5.432SG1.0150
SAFP8.769FAM0.836FA0.837LCFsh5.625HBI0.916
W140.8W240.8W340.8W440.8
PD1559.3PD2559.8PD3559.3PD4560.0
WD9.288PLM9000.00GSA1.0RSA1.0RM53.3
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGHOUSE BATTBattery100 AH LION5.10HOUSE BATT 2Battery100 AH LION6.50OUTBOARDEngine (IC)TOHATSU 6HP5.50Total deductible
ORC Ref  04560004V02 Issued on 08/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
BLOOM COUNTYUSA 18151
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-10.150.741.312.212.9024.7713/04/202618151M2
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.050.460.861.652.443.1812.70YesNo 20.7913/04/2026J2
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.5513.0914.328.408.08104%99.4813/04/2026Green A2A013.1011.9012.504.986.6375%55.3130/06/2026CZ0
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004V02 Issued on 08/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org