International Certificate2026
ExpressoUSA 30
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 Angles46.5°43.7°41.3°40.0°39.2°38.8°38.6°38.8°39.8°
Beat VMG2.553.604.364.855.065.165.225.255.16
52°4.025.506.467.017.247.347.407.467.45
60°4.345.796.717.217.457.557.617.697.69
75°4.576.006.877.357.647.827.928.068.13
90°4.445.886.937.437.677.938.148.428.60
110°4.346.037.137.698.068.328.538.909.22
120°4.215.907.037.638.058.458.819.339.77
135°3.725.296.527.317.788.208.659.6311.05
150°3.084.465.606.587.277.698.048.809.69
Run VMG2.673.864.855.706.326.767.147.778.44
Gybe Angles139.4°143.0°147.0°149.4°152.5°157.3°161.8°162.6°157.7°
APH ToD:541.7CDL: 9.541APH ToT: 1.1077CertNo:US3037
BOAT
ClassX-37 CUSTOM APPENDAGESDesignerJEPPESEN NIELSBuilderX-YachtsAge date02/2005Series date01/2004Offset fileX-37-ITA14897.offData fileUS3037
HULL
Length Overall11.345 mMaximum Beam3.470 mDraft2.061 mDisplacement6,839 kgDLR6.8526IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight690 kg(declared)Minimum weight560 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail42.7343.39Headsail Luffed41.6441.64Headsail FlyingSymmetricAsymmetric125.12125.12 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail13.04Storm Jib12.31Heavy Weather Jib33.22
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 143.1 kg·m Stability Index 122.2
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  04560004NI5 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
ExpressoUSA 30
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 VMG1411.6999.0825.8742.8711.2697.3690.1685.8697.7
52°894.9654.6557.0513.3497.0490.3486.5482.5483.2
60°829.6621.7536.7499.2483.5476.9472.9468.0468.3
75°787.5600.4523.7489.6471.5460.7454.6446.6442.7
90°810.9611.8519.1484.4469.1454.0442.4427.8418.7
110°828.8597.0505.0468.3446.9432.5422.1404.6390.6
120°854.8610.3511.8471.9447.3426.3408.5386.0368.5
135°966.8679.9552.3492.8462.9439.1416.4373.8325.8
150°1169.5807.1642.5547.0495.1468.3447.9409.2371.4
Run VMG1350.5932.0741.9631.6569.3532.4504.1463.6426.4
Selected Courses
Windward / Leeward1381.0965.5783.8687.2640.2614.9597.1574.7562.1
All purpose1043.1744.6616.6554.5524.6506.7493.8475.4462.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward667.60.8988
All purpose541.71.1077
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7848
Downwind "popa"0.9600
70% up, 30% down "Ilhabela"0.8302
30% up, 70% down "Ilhabela-inverso"0.8998
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Predominantly Upwind587.31.0216
Predominantly Downwind546.11.0988
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP564.81.0623 Predom. Rc High446.51.3437 5B SF Bay L/M720.00.8333 TriNum AP Low680.60.8816 Predom. Dn Low817.60.7338 5B SF Bay Med629.10.9537 TriNum AP Med537.81.1156 Predom. Dn L/M609.90.9838 5B SF Bay M/H582.51.0300 TriNum AP High490.21.2241 Predom. Dn Med529.01.1343 5B SF Bay High560.41.0706 TriNum W/L Low915.60.6553 Predom. Dn M/H479.81.2505 5B AP Low751.20.7987 TriNum W/L Med661.50.9070 Predom. Dn High447.91.3397 5B AP L/M600.01.0001 TriNum W/L Hig593.11.0116 ChiMac Up Low730.60.8212 5B AP Med531.61.1286 Predom. Upwind611.50.9812 ChiMac Up Med663.60.9042 5B AP M/H495.51.2109 Predom. Reaching537.81.1157 ChiMac Up High586.51.0230 5B AP High476.41.2595 Predom. Downwind570.01.0527 ChiMac Off Low707.30.8483 5B W/L Low1024.00.5860 Predom. Up Low827.60.7250 ChiMac Off Med629.30.9534 5B W/L L/M755.30.7944 Predom. Up L/M636.10.9432 ChiMac Off High537.11.1171 5B W/L Med652.10.9201 Predom. Up Med570.51.0517 ChiMac AP Low716.00.8380 5B W/L M/H599.91.0001 Predom. Up M/H540.31.1104 ChiMac AP Med644.40.9312 5B W/L High576.41.0410 Predom. Up High527.11.1383 ChiMac AP High560.61.0702 W/L 60-40 Low1030.90.5820 Predom. Rc Low732.20.8194 BayMac Cove Island821.80.7301 W/L 60-40 L/M765.30.7840 Predom. Rc L/M564.71.0626 BayMac Shore815.70.7356 W/L 60-40 Med666.10.9008 Predom. Rc Med504.61.1890 Harvest Moon478.11.2549 W/L 60-40 M/H618.40.9702 Predom. Rc M/H469.21.2787 5B SF Bay Low865.30.6934 W/L 60-40 High598.81.0020      SA/DSPL Up23.27SA/DSPL Dn46.29
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance588.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating588.71.0192
FinRating, kevyt tuuli1006.80.9933
FinRating, kova tuuli480.01.0416
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0192
Triple Number Coastal/Long Distance Low0.8816
Triple Number Coastal/Long Distance Medium1.1157
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6860
Triple Number Windward/Leeward Medium0.9070
Triple Number Windward/Leeward High1.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
For information
General Purpose Handicap (GPH)604.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Saronikos S All Purpose618.90.9694
Saronikos S Upwind692.80.8660
Saronikos S Downwind524.71.1435
Saronikos N All Purpose644.90.9304
Saronikos N Upwind723.40.8294
Saronikos N Downwind561.21.0691
Saronikos SW All Purpose618.40.9702
Saronikos SW Upwind709.20.8460
Saronikos SW Downwind524.11.1449
Saronikos NE All Purpose663.70.9040
Saronikos NE Upwind678.60.8842
Saronikos NE Downwind624.80.9604
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose564.81.0623
5-Band All Purpose Low819.30.7324
5-Band All Purpose L/M621.60.9653
5-Band All Purpose Med549.01.0928
5-Band All Purpose M/H509.71.1772
5-Band All Purpose High487.51.2307
Single Number Predominant Upwind586.21.0236
Single Number Predominant Reaching517.61.1591
Single Number Predominant Downwind546.81.0973
5-Band 50-50 Windward/Leeward Low1024.00.5860
5-Band 50-50 Windward/Leeward L/M755.30.7944
5-Band 50-50 Windward/Leeward Med652.10.9201
5-Band 50-50 Windward/Leeward M/H599.91.0001
5-Band 50-50 Windward/Leeward High576.41.0410
5-Band 60-40 Windward/Leeward Low1030.90.5820
5-Band 60-40 Windward/Leeward L/M765.30.7840
5-Band 60-40 Windward/Leeward Med666.10.9008
5-Band 60-40 Windward/Leeward M/H618.40.9702
5-Band 60-40 Windward/Leeward High598.81.0020
Triple Number 50-50 Windward/Leeward Low915.60.6553
Triple Number 50-50 Windward/Leeward Med661.60.9069
Triple Number 50-50 Windward/Leeward High593.11.0116
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward681.50.8804
Triple Number 60-40 Windward/Leeward Low923.30.6498
Triple Number 60-40 Windward/Leeward Med674.90.8891
Triple Number 60-40 Windward/Leeward High612.60.9795
Triple Number All-Purpose Low738.70.8123
Triple Number All-Purpose Med555.61.0799
Triple Number All-Purpose High503.61.1914
Triple Number Predominant Upwind Low755.00.7947
Triple Number Predominant Upwind Med578.11.0378
Triple Number Predominant Upwind High542.01.1071
Triple Number Predominant Reaching Low667.80.8985
Triple Number Predominant Reaching Med518.51.1573
Triple Number Predominant Reaching High454.31.3208
Triple Number Predominant Downwind Low732.80.8187
Triple Number Predominant Downwind Med537.21.1169
Triple Number Predominant Downwind High461.81.2992
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low680.6
Triple Number Coastal/Long Distance Medium537.8
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low874.6
Triple Number Windward/Leeward Medium661.5
Triple Number Windward/Leeward High593.1
Predominantly Upwind587.3
Predominantly Downwind546.1
Predominantly Reaching525.0
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8816
Triple Number Coastal/Long Distance Medium1.1157
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6860
Triple Number Windward/Leeward Medium0.9070
Triple Number Windward/Leeward High1.0116
Coastal/Long Distance1.0192
Predominantly Upwind1.0216
Predominantly Downwind1.0988
For information
General Purpose Handicap (GPH)604.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1077
Distanseseilas Trippeltall svak vind0.8816
Distanseseilas Trippeltall mellomvind1.1157
Distanseseilas Trippeltall sterk vind1.2241
Pølsebane Trippeltall svak vind0.6860
Pølsebane Trippeltall mellomvind0.9070
Pølsebane Trippeltall sterk vind1.0116
Motvind Singeltall1.0216
Medvind Singeltall1.0988
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Coastal/Long Distance588.71.0192
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind587.31.0216
Predominantly Downwind546.11.0988
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore565.81.0604
Cape Doctor Coastal466.41.2864
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8816
Triple Number Coastal/Long Distance Medium1.1157
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6860
Triple Number Windward/Leeward Medium0.9070
Triple Number Windward/Leeward High1.0116
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8816
Triple Number Coastal/Long Distance Medium1.1157
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6860
Triple Number Windward/Leeward Medium0.9070
Triple Number Windward/Leeward High1.0116
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Predominantly Upwind587.31.0216
Predominantly Downwind546.11.0988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance588.71.0192
Triple Number Coastal/Long Distance Low680.60.8816
Triple Number Coastal/Long Distance Medium537.81.1157
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low874.60.6860
Triple Number Windward/Leeward Medium661.50.9070
Triple Number Windward/Leeward High593.11.0116
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1378.0962.1737.6621.8559.5525.9498.3454.9442.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP564.81.0623 Predom. Dn High447.91.3397 5B AP M/H495.51.2109 TriNum AP Low680.60.8816 Predom. Rc Low732.20.8194 5B AP High476.41.2595 TriNum AP Med537.81.1156 Predom. Rc L/M564.71.0626 5B SF Bay Low865.30.6934 TriNum AP High490.21.2241 Predom. Rc Med504.61.1890 5B SF Bay L/M720.00.8333 TriNum W/L Low915.60.6553 Predom. Rc M/H469.21.2787 5B SF Bay Med629.10.9537 TriNum W/L Med661.50.9070 Predom. Rc High446.51.3437 5B SF Bay M/H582.51.0300 TriNum W/L Hig593.11.0116 5B W/L Low1024.00.5860 5B SF Bay High560.41.0706 Predom. Upwind611.50.9812 5B W/L L/M755.30.7944 ChiMac Up Low730.60.8212 Predom. Reaching537.81.1157 5B W/L Med652.10.9201 ChiMac Up Med663.60.9042 Predom. Downwind570.01.0527 5B W/L M/H599.91.0001 ChiMac Up High586.51.0230 Predom. Up Low827.60.7250 5B W/L High576.41.0410 ChiMac Off Low707.30.8483 Predom. Up L/M636.10.9432 W/L 60-40 Low1030.90.5820 ChiMac Off Med629.30.9534 Predom. Up Med570.51.0517 W/L 60-40 L/M765.30.7840 ChiMac Off High537.11.1171 Predom. Up M/H540.31.1104 W/L 60-40 Med666.10.9008 ChiMac AP Low716.00.8380 Predom. Up High527.11.1383 W/L 60-40 M/H618.40.9702 ChiMac AP Med644.40.9312 Predom. Dn Low817.60.7338 W/L 60-40 High598.81.0020 ChiMac AP High560.61.0702 Predom. Dn L/M609.90.9838 5B AP Low751.20.7987 BayMac Cove Island821.80.7301 Predom. Dn Med529.01.1343 5B AP L/M600.01.0001 BayMac Shore815.70.7356 Predom. Dn M/H479.81.2505 5B AP Med531.61.1286 Harvest Moon478.11.2549      SA/DSPL Up23.27SA/DSPL Dn46.29
ORC Ref  04560004NI5 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
ExpressoUSA 30
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-37 CUSTOM APPENDAGESMeasurement08/05/2025HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.345Maximum beam3.470Draft2.061Displacement6,839Wetted area28.02IMS L10.265LSM09.993Accomod. length11.277Sink (kg/mm) 20.48
VCGD0.078VCGM0.057 RM Rated (kg·m) 143.1Limit of positive stability(°) 117.4 Stability Index 122.2 BLR index 0.0000Default crew weight688 Declared crew weight 690
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBW0.125PIPA0.0037
EDL2.180ST10.055ST20.202
ST30.202ST40.114ST50.295
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.620IG15.520ISP15.545MDT10.123MDL10.208MDT20.112MDL20.195TL0.550MW0.208GO0.251
E5.095J4.100BAS1.765FSD0.032SFJ0.250SPLWPLTPS4.990BD0.250MWT202.60MCG5.340
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date08/05/2025Measurer164CommentY=0.225
SFFP0.250FFM1.362FF1.360LCFcl6.348SG1.0110
SAFP10.800FAM1.079FA1.095LCFsh6.567HBI1.169
W174.7W274.7W374.7W474.7
PD1480.9PD2480.9PD3480.9PD4480.9
WD11.690PLM9000.00GSA1.0RSA1.0RM143.0
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3PVC Holding Tank, Fwd Berth, TCG=0.0Water10602.75-0.102PVC Water Tank, Stbd Saloon, TCG=0.9Water18005.35-0.101SS Fuel tank, Port Aft, TCG=0.8Fuel81819.25-0.15Total deductible689.25-0.15
OTHER ITEMSIdKindDescriptionWeightLCGVCG5BatteryStarter, 12V AGM, 07/22 Install, Engine compartment, TCG=0.07.55-0.104BatteryHouse 3, 12V AGM, 07/22 Install, Port Saloon, TCG=0.95.75-0.103BatteryHouse 2, 12V AGM, 07/22 Install, Port Saloon, TCG=0.95.25-0.102BatteryHouse 1, 12V AGM, 07/22 Install, Port Saloon, TCG=0.95.05-0.101Engine (IC)Yanmar 3GM-40Total deductible
ORC Ref  04560004NI5 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
ExpressoUSA 30
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn0.170.961.763.114.1942.7314/02/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa-F0.080.701.352.704.105.5315.20NoNo 41.6426/12/2024OUS160006-001Jib-260.090.511.102.143.214.2414.93YesNo 31.9602/03/2026
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA217.4915.2216.369.189.18100%125.1214/02/2025A316.6816.4316.568.709.0696%121.0202/03/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length11.3 mTable area0.55 m²Headroom1.78 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity133 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity76 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004NI5 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org