Double HandedClub Certificate2026
GRAND BLUEJPN 6275
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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°42.3°40.1°39.1°38.9°39.0°39.1°40.1°42.7°
Beat VMG2.753.814.464.734.854.914.944.874.59
52°4.275.736.546.836.977.057.107.116.96
60°4.576.006.787.077.207.287.337.377.27
75°4.796.186.957.307.487.617.707.817.82
90°4.836.347.097.387.677.898.058.288.41
110°4.666.277.187.597.978.278.528.879.13
120°4.476.167.157.708.128.438.849.6110.08
135°3.995.606.767.427.968.539.1910.4311.53
150°3.304.725.876.797.397.878.379.7212.37
Run VMG2.864.085.085.886.456.877.278.4210.71
Gybe Angles139.2°142.8°147.1°151.0°154.0°157.4°155.8°145.1°145.8°
APH ToD:543.7CDL: 8.677APH ToT: 1.1035CertNo:260232
BOAT
ClassX-35 OD modDesignerJEPPESENBuilderX YACHTSAge date06/2006Series date09/2005Offset filex35.OD.offData fileJC260232
HULL
Length Overall10.600 mMaximum Beam3.250 mDraft2.154 mDisplacement4,410 kgDLR5.9016IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.421m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.8642.70Headsail Luffed33.8333.83Headsail FlyingSymmetricAsymmetric119.30119.30 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail12.25Storm Jib10.55Heavy Weather Jib28.46
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 116.2 kg·m Stability Index 124.7
COMMENTS
Change from Cert No.JC260230
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  03390004QMC Issued on 21/05/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GRAND BLUEJPN 6275
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
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 VMG1311.3945.0806.5761.8742.9733.9729.1738.8783.8
52°842.4628.2550.5526.8516.5510.8507.2506.3517.4
60°788.0600.3531.0509.3500.2494.6490.8488.5495.0
75°751.1582.5518.3493.0481.0473.3467.3461.2460.1
90°745.6568.2508.0487.7469.5456.1447.0434.9427.9
110°773.1574.5501.4474.0451.8435.3422.5406.0394.5
120°804.9584.1503.4467.5443.5427.0407.0374.8357.2
135°901.2643.3532.9485.3452.4421.9391.8345.3312.2
150°1089.8763.4613.7530.3487.0457.6430.1370.4291.1
Run VMG1258.4881.5708.7611.9558.1524.0495.0427.7336.1
Selected Courses
Windward / Leeward1284.8913.2757.6686.9650.5629.0612.1583.3560.0
All purpose973.5707.0601.0556.8532.0515.4501.7481.3469.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward670.10.8954
All purpose543.71.1035
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7695
Downwind "popa"0.9984
70% up, 30% down "Ilhabela"0.8263
30% up, 70% down "Ilhabela-inverso"0.9166
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Predominantly Upwind593.31.0113
Predominantly Downwind536.51.1183
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP562.91.0658 Predom. Rc High447.91.3396 5B SF Bay L/M707.00.8486 TriNum AP Low654.00.9174 Predom. Dn Low772.30.7769 5B SF Bay Med636.50.9426 TriNum AP Med541.91.1072 Predom. Dn L/M593.91.0102 5B SF Bay M/H595.31.0078 TriNum AP High497.51.2061 Predom. Dn Med524.21.1446 5B SF Bay High571.21.0505 TriNum W/L Low873.30.6871 Predom. Dn M/H473.91.2662 5B AP Low714.50.8397 TriNum W/L Med666.10.9007 Predom. Dn High434.61.3806 5B AP L/M590.81.0155 TriNum W/L Hig605.50.9909 ChiMac Up Low709.70.8454 5B AP Med536.61.1182 Predom. Upwind614.80.9760 ChiMac Up Med657.40.9127 5B AP M/H503.11.1925 Predom. Reaching531.11.1298 ChiMac Up High595.31.0079 5B AP High482.71.2431 Predom. Downwind556.51.0782 ChiMac Off Low678.70.8841 5B W/L Low967.20.6203 Predom. Up Low784.90.7645 ChiMac Off Med610.50.9828 5B W/L L/M739.70.8111 Predom. Up L/M630.10.9522 ChiMac Off High526.41.1398 5B W/L Med658.60.9110 Predom. Up Med582.31.0303 ChiMac AP Low691.10.8682 5B W/L M/H613.30.9783 Predom. Up M/H557.51.0763 ChiMac AP Med631.80.9496 5B W/L High584.21.0270 Predom. Up High548.71.0935 ChiMac AP High559.71.0720 W/L 60-40 Low974.10.6159 Predom. Rc Low691.50.8677 BayMac Cove Island787.70.7617 W/L 60-40 L/M752.10.7977 Predom. Rc L/M554.41.0823 BayMac Shore781.70.7675 W/L 60-40 Med676.60.8867 Predom. Rc Med505.31.1874 Harvest Moon474.71.2639 W/L 60-40 M/H637.20.9416 Predom. Rc M/H470.41.2755 5B SF Bay Low823.00.7290 W/L 60-40 High616.40.9734      SA/DSPL Up28.01SA/DSPL Dn59.63
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance589.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating589.21.0184
FinRating, kevyt tuuli949.31.0534
FinRating, kova tuuli483.91.0334
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0184
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1073
Triple Number Coastal/Long Distance High1.2061
Triple Number Windward/Leeward Low0.7182
Triple Number Windward/Leeward Medium0.9007
Triple Number Windward/Leeward High0.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
For information
General Purpose Handicap (GPH)600.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Saronikos S All Purpose607.90.9869
Saronikos S Upwind690.00.8696
Saronikos S Downwind499.31.2017
Saronikos N All Purpose640.60.9366
Saronikos N Upwind716.20.8377
Saronikos N Downwind544.01.1030
Saronikos SW All Purpose601.60.9974
Saronikos SW Upwind693.80.8648
Saronikos SW Downwind504.41.1895
Saronikos NE All Purpose651.80.9205
Saronikos NE Upwind668.10.8981
Saronikos NE Downwind601.40.9976
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose562.91.0658
5-Band All Purpose Low774.90.7743
5-Band All Purpose L/M610.50.9828
5-Band All Purpose Med552.51.0859
5-Band All Purpose M/H515.51.1639
5-Band All Purpose High492.01.2194
Single Number Predominant Upwind591.91.0136
Single Number Predominant Reaching514.11.1670
Single Number Predominant Downwind537.71.1158
5-Band 50-50 Windward/Leeward Low967.20.6203
5-Band 50-50 Windward/Leeward L/M739.70.8111
5-Band 50-50 Windward/Leeward Med658.60.9110
5-Band 50-50 Windward/Leeward M/H613.30.9783
5-Band 50-50 Windward/Leeward High584.21.0270
5-Band 60-40 Windward/Leeward Low974.10.6159
5-Band 60-40 Windward/Leeward L/M752.10.7977
5-Band 60-40 Windward/Leeward Med676.60.8867
5-Band 60-40 Windward/Leeward M/H637.20.9416
5-Band 60-40 Windward/Leeward High616.40.9734
Triple Number 50-50 Windward/Leeward Low873.30.6871
Triple Number 50-50 Windward/Leeward Med666.20.9006
Triple Number 50-50 Windward/Leeward High605.50.9909
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward688.00.8720
Triple Number 60-40 Windward/Leeward Low881.60.6806
Triple Number 60-40 Windward/Leeward Med683.40.8779
Triple Number 60-40 Windward/Leeward High631.20.9506
Triple Number All-Purpose Low706.10.8498
Triple Number All-Purpose Med558.31.0746
Triple Number All-Purpose High509.11.1786
Triple Number Predominant Upwind Low724.50.8281
Triple Number Predominant Upwind Med588.41.0197
Triple Number Predominant Upwind High562.81.0661
Triple Number Predominant Reaching Low638.30.9400
Triple Number Predominant Reaching Med519.91.1541
Triple Number Predominant Reaching High454.61.3197
Triple Number Predominant Downwind Low698.60.8589
Triple Number Predominant Downwind Med531.01.1300
Triple Number Predominant Downwind High451.01.3303
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low654.0
Triple Number Coastal/Long Distance Medium541.9
Triple Number Coastal/Long Distance High497.5
Triple Number Windward/Leeward Low835.4
Triple Number Windward/Leeward Medium666.1
Triple Number Windward/Leeward High605.5
Predominantly Upwind593.3
Predominantly Downwind536.5
Predominantly Reaching518.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1073
Triple Number Coastal/Long Distance High1.2061
Triple Number Windward/Leeward Low0.7182
Triple Number Windward/Leeward Medium0.9007
Triple Number Windward/Leeward High0.9909
Coastal/Long Distance1.0184
Predominantly Upwind1.0113
Predominantly Downwind1.1183
For information
General Purpose Handicap (GPH)600.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1035
Distanseseilas Trippeltall svak vind0.9174
Distanseseilas Trippeltall mellomvind1.1073
Distanseseilas Trippeltall sterk vind1.2061
Pølsebane Trippeltall svak vind0.7182
Pølsebane Trippeltall mellomvind0.9007
Pølsebane Trippeltall sterk vind0.9909
Motvind Singeltall1.0113
Medvind Singeltall1.1183
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Coastal/Long Distance589.11.0184
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind593.31.0113
Predominantly Downwind536.51.1183
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore567.01.0582
Cape Doctor Coastal472.71.2694
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1073
Triple Number Coastal/Long Distance High1.2061
Triple Number Windward/Leeward Low0.7182
Triple Number Windward/Leeward Medium0.9007
Triple Number Windward/Leeward High0.9909
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9174
Triple Number Coastal/Long Distance Medium1.1073
Triple Number Coastal/Long Distance High1.2061
Triple Number Windward/Leeward Low0.7182
Triple Number Windward/Leeward Medium0.9007
Triple Number Windward/Leeward High0.9909
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Predominantly Upwind593.31.0113
Predominantly Downwind536.51.1183
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance589.11.0184
Triple Number Coastal/Long Distance Low654.00.9174
Triple Number Coastal/Long Distance Medium541.91.1073
Triple Number Coastal/Long Distance High497.51.2061
Triple Number Windward/Leeward Low835.40.7182
Triple Number Windward/Leeward Medium666.10.9007
Triple Number Windward/Leeward High605.50.9909
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1282.2910.1713.9622.2568.1535.9506.5456.5439.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP562.91.0658 Predom. Dn High434.61.3806 5B AP M/H503.11.1925 TriNum AP Low654.00.9174 Predom. Rc Low691.50.8677 5B AP High482.71.2431 TriNum AP Med541.91.1072 Predom. Rc L/M554.41.0823 5B SF Bay Low823.00.7290 TriNum AP High497.51.2061 Predom. Rc Med505.31.1874 5B SF Bay L/M707.00.8486 TriNum W/L Low873.30.6871 Predom. Rc M/H470.41.2755 5B SF Bay Med636.50.9426 TriNum W/L Med666.10.9007 Predom. Rc High447.91.3396 5B SF Bay M/H595.31.0078 TriNum W/L Hig605.50.9909 5B W/L Low967.20.6203 5B SF Bay High571.21.0505 Predom. Upwind614.80.9760 5B W/L L/M739.70.8111 ChiMac Up Low709.70.8454 Predom. Reaching531.11.1298 5B W/L Med658.60.9110 ChiMac Up Med657.40.9127 Predom. Downwind556.51.0782 5B W/L M/H613.30.9783 ChiMac Up High595.31.0079 Predom. Up Low784.90.7645 5B W/L High584.21.0270 ChiMac Off Low678.70.8841 Predom. Up L/M630.10.9522 W/L 60-40 Low974.10.6159 ChiMac Off Med610.50.9828 Predom. Up Med582.31.0303 W/L 60-40 L/M752.10.7977 ChiMac Off High526.41.1398 Predom. Up M/H557.51.0763 W/L 60-40 Med676.60.8867 ChiMac AP Low691.10.8682 Predom. Up High548.71.0935 W/L 60-40 M/H637.20.9416 ChiMac AP Med631.80.9496 Predom. Dn Low772.30.7769 W/L 60-40 High616.40.9734 ChiMac AP High559.71.0720 Predom. Dn L/M593.91.0102 5B AP Low714.50.8397 BayMac Cove Island787.70.7617 Predom. Dn Med524.21.1446 5B AP L/M590.81.0155 BayMac Shore781.70.7675 Predom. Dn M/H473.91.2662 5B AP Med536.61.1182 Harvest Moon474.71.2639      SA/DSPL Up28.01SA/DSPL Dn59.63
ORC Ref  03390004QMC Issued on 21/05/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GRAND BLUEJPN 6275
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-35 OD modMeasurement05/05/2022HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.600Maximum beam3.250Draft2.154Displacement4,410Wetted area22.74IMS L9.273LSM09.074Accomod. length10.563Sink (kg/mm) 17.52
VCGD-0.019VCGM-0.025 RM Rated (kg·m) 116.2Limit of positive stability(°) 124.4 Stability Index 124.7 BLR index 0.0000Default crew weight170 Declared crew weight 680
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.421PBW0.106PIPA0.0033
EDL2.090ST10.041ST20.151
ST30.151ST40.110ST50.270
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.255IG14.488ISP16.197MDT10.125MDL10.190MDT20.094MDL20.148TL1.218MW0.190GO0.199
E4.910J4.178BAS1.734FSD0.034SFJ0.000SPLWPLTPS4.700BD0.177MWT142.00MCG4.832
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/06/2006
SFFP0.075FFM1.323FF1.330LCFcl5.960SG1.0230
SAFP10.275FAM0.980FA0.985LCFsh6.165HBI1.117
W119.2W239.1W359.5W478.9
PD163.0PD2130.0PD3198.0PD4265.0
WD11.015PLM2030.00GSA36.4RSA5372.3RM115.1
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03390004QMC Issued on 21/05/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
GRAND BLUEJPN 6275
JAPAN SAILING FEDERATION
4-2, Kasumigaokacho,
Shinjuku, Tokyo
Japan
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMA30.191.071.853.184.1441.86
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-30.090.711.332.353.384.4114.61YesNo 33.83J1-20.130.641.202.283.374.4414.44YesNo 32.84
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment118.0815.4016.748.528.6898%119.30A117.0414.4015.727.847.75101%102.47Code015.6814.9015.295.897.8575%80.04
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03390004QMC Issued on 21/05/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org