Double HandedClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 Angles41.2°41.2°39.6°38.6°38.9°39.0°39.2°40.0°42.7°
Beat VMG2.593.464.024.254.344.384.404.394.21
52°3.945.135.806.076.176.236.286.326.26
60°4.145.335.966.236.356.426.486.546.54
75°4.275.456.076.396.576.696.776.906.95
90°4.165.376.046.416.686.877.027.257.41
110°3.875.166.016.476.817.097.297.607.80
120°3.674.965.866.396.767.107.438.028.49
135°3.204.445.416.096.536.907.278.179.95
150°2.643.784.795.626.196.586.947.698.92
Run VMG2.293.284.164.925.586.096.487.147.90
Gybe Angles147.1°147.1°152.3°157.4°165.1°173.2°178.1°178.6°169.9°
APH ToD:627.8CDL: 6.670APH ToT: 0.9557CertNo:
BOAT
ClassStill 900DesignerEivind StillBuilderFinn YachtAge date01/1986Series date12/1985Offset fileL4646B.BOFData fileFIN5591
HULL
Length Overall9.010 mMaximum Beam3.132 mDraft1.765 mDisplacement2,508 kgDLR9.4171IMS DivisionPerformanceDynamic Allowance0.050%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.293m
CREW
Maximum weight190 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.3230.00Headsail Luffed24.6224.62Headsail FlyingSymmetric47.1847.18Asymmetric
STORM SAIL AREAS (m²)
Trysail8.56Storm Jib5.41Heavy Weather Jib14.61
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.
Double HandedClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1389.31041.4896.0847.1830.2822.8817.3819.5855.6
52°912.8702.1620.9593.5583.2577.8573.5569.8575.4
60°868.7675.6603.9577.5566.6560.5555.5550.2550.9
75°843.4660.2593.3563.8547.9538.4531.7521.6517.8
90°865.1670.8596.2561.3539.3523.9512.5496.4485.5
110°929.5697.6598.9556.1528.4507.6494.0473.9461.6
120°979.8725.8613.9563.7532.3506.8484.5448.9424.2
135°1124.3811.4664.9590.9551.6521.6495.4440.7361.9
150°1362.4951.7751.1640.9581.8546.9518.8468.0403.4
Run VMG1575.41098.9865.5731.4645.3591.5555.8503.9455.9
Selected Courses
Windward / Leeward1479.81070.1880.7789.2737.7707.2686.6661.7655.8
All purpose1121.2831.0702.5643.5611.6591.7577.0555.2541.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward763.90.7854
All purpose627.80.9557
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6914
Downwind "popa"0.8413
70% up, 30% down "Ilhabela"0.7305
30% up, 70% down "Ilhabela-inverso"0.7899
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Predominantly Upwind676.90.8864
Predominantly Downwind632.70.9483
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low766.80.7825
Triple Number AP Medium624.90.9602
Triple Number AP High572.51.0481
Triple Number Windward/Leeward Low1017.00.5900
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Single Number Predominant Upwind698.60.8589
Single Number Predominant Reaching620.00.9677
Single Number Predominant Downwind658.00.9119
Predominant Upwind - Low890.90.6735
Predominant Upwind - Low/Med719.30.8341
Predominant Upwind - Medium662.60.9055
Predominant Upwind - Med/High634.10.9463
Predominant Upwind - High621.40.9656
Predominant Downwind Low934.40.6421
Predominant Downwind Low/Med708.40.8470
Predominant Downwind Medium614.20.9770
Predominant Downwind Med/High553.71.0837
Predominant Downwind High513.41.1687
Predominant Reaching Low817.50.7340
Predominant Reaching Low/Med651.10.9215
Predominant Reaching Medium587.81.0207
Predominant Reaching Med/High547.81.0952
Predominant Reaching High520.51.1528
SA/DSPL Upwind29.13SA/DSPL Downwind41.32
Scoring OptionTODTOT
5-Band Windward/Leeward Low1125.80.5329
5-Band Windward/Leeward Low/Med855.30.7015
5-Band Windward/Leeward Medium748.80.8012
5-Band Windward/Leeward Med/High690.20.8694
5-Band Windward/Leeward High665.00.9023
Windward/Leeward 60-40 Low1119.10.5362
Windward/Leeward 60-40 Low/Med862.30.6958
Windward/Leeward 60-40 Medium766.30.7830
Windward/Leeward 60-40 Med/High716.10.8379
Windward/Leeward 60-40 High697.00.8608
5-Band AP Low843.20.7116
5-Band AP Low/Med687.20.8731
5-Band AP Medium618.30.9705
5-Band AP Med/High578.71.0368
5-Band AP High556.51.0782
5-Band SF Bay Tour - Low974.30.6158
5-Band SF Bay Tour - Low/Med819.80.7319
5-Band SF Bay Tour - Medium727.50.8247
5-Band SF Bay Tour - Med/High677.30.8858
5-Band SF Bay Tour - High653.40.9182
Chicago-Mac Upwind0.8392
Chicago-Mac All Purpose0.8632
Chicago-Mac Downwind0.8814
Bayview-Mac Cove Island0.6556
Bayview-Mac Shore0.6615
Harvest Moon Regatta547.71.0956
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance679.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating679.60.8829
FinRating, kevyt tuuli1107.10.9032
FinRating, kova tuuli559.40.8939
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8829
Triple Number Coastal/Long Distance Low0.7825
Triple Number Coastal/Long Distance Medium0.9602
Triple Number Coastal/Long Distance High1.0481
Triple Number Windward/Leeward Low0.6151
Triple Number Windward/Leeward Medium0.7903
Triple Number Windward/Leeward High0.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
For information
General Purpose Handicap (GPH)695.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low766.8
Triple Number Coastal/Long Distance Medium624.9
Triple Number Coastal/Long Distance High572.5
Triple Number Windward/Leeward Low975.5
Triple Number Windward/Leeward Medium759.2
Triple Number Windward/Leeward High682.4
Predominantly Upwind676.9
Predominantly Downwind632.7
Predominantly Reaching609.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7825
Triple Number Coastal/Long Distance Medium0.9602
Triple Number Coastal/Long Distance High1.0481
Triple Number Windward/Leeward Low0.6151
Triple Number Windward/Leeward Medium0.7903
Triple Number Windward/Leeward High0.8793
Coastal/Long Distance0.8829
Predominantly Upwind0.8864
Predominantly Downwind0.9483
For information
General Purpose Handicap (GPH)695.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9557
Distanseseilas Trippeltall svak vind0.7825
Distanseseilas Trippeltall mellomvind0.9602
Distanseseilas Trippeltall sterk vind1.0481
Pølsebane Trippeltall svak vind0.6151
Pølsebane Trippeltall mellomvind0.7903
Pølsebane Trippeltall sterk vind0.8793
Motvind Singeltall0.8864
Medvind Singeltall0.9483
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Coastal/Long Distance679.60.8829
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind676.90.8864
Predominantly Downwind632.70.9483
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore657.60.9125
Cape Doctor Coastal545.41.1002
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7825
Triple Number Coastal/Long Distance Medium0.9602
Triple Number Coastal/Long Distance High1.0481
Triple Number Windward/Leeward Low0.6151
Triple Number Windward/Leeward Medium0.7903
Triple Number Windward/Leeward High0.8793
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7825
Triple Number Coastal/Long Distance Medium0.9602
Triple Number Coastal/Long Distance High1.0481
Triple Number Windward/Leeward Low0.6151
Triple Number Windward/Leeward Medium0.7903
Triple Number Windward/Leeward High0.8793
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Predominantly Upwind676.90.8864
Predominantly Downwind632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance679.60.8829
Triple Number Coastal/Long Distance Low766.80.7825
Triple Number Coastal/Long Distance Medium624.90.9602
Triple Number Coastal/Long Distance High572.51.0481
Triple Number Windward/Leeward Low975.50.6151
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1575.31073.0832.8717.9651.9613.9581.7528.2512.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low766.80.7825
Triple Number AP Medium624.90.9602
Triple Number AP High572.51.0481
Triple Number Windward/Leeward Low1017.00.5900
Triple Number Windward/Leeward Medium759.20.7903
Triple Number Windward/Leeward High682.40.8793
Single Number Predominant Upwind698.60.8589
Single Number Predominant Reaching620.00.9677
Single Number Predominant Downwind658.00.9119
Predominant Upwind - Low890.90.6735
Predominant Upwind - Low/Med719.30.8341
Predominant Upwind - Medium662.60.9055
Predominant Upwind - Med/High634.10.9463
Predominant Upwind - High621.40.9656
Predominant Downwind Low934.40.6421
Predominant Downwind Low/Med708.40.8470
Predominant Downwind Medium614.20.9770
Predominant Downwind Med/High553.71.0837
Predominant Downwind High513.41.1687
Predominant Reaching Low817.50.7340
Predominant Reaching Low/Med651.10.9215
Predominant Reaching Medium587.81.0207
Predominant Reaching Med/High547.81.0952
Predominant Reaching High520.51.1528
SA/DSPL Upwind29.13SA/DSPL Downwind41.32
Scoring OptionTODTOT
5-Band Windward/Leeward Low1125.80.5329
5-Band Windward/Leeward Low/Med855.30.7015
5-Band Windward/Leeward Medium748.80.8012
5-Band Windward/Leeward Med/High690.20.8694
5-Band Windward/Leeward High665.00.9023
Windward/Leeward 60-40 Low1119.10.5362
Windward/Leeward 60-40 Low/Med862.30.6958
Windward/Leeward 60-40 Medium766.30.7830
Windward/Leeward 60-40 Med/High716.10.8379
Windward/Leeward 60-40 High697.00.8608
5-Band AP Low843.20.7116
5-Band AP Low/Med687.20.8731
5-Band AP Medium618.30.9705
5-Band AP Med/High578.71.0368
5-Band AP High556.51.0782
5-Band SF Bay Tour - Low974.30.6158
5-Band SF Bay Tour - Low/Med819.80.7319
5-Band SF Bay Tour - Medium727.50.8247
5-Band SF Bay Tour - Med/High677.30.8858
5-Band SF Bay Tour - High653.40.9182
Chicago-Mac Upwind0.8392
Chicago-Mac All Purpose0.8632
Chicago-Mac Downwind0.8814
Bayview-Mac Cove Island0.6556
Bayview-Mac Shore0.6615
Harvest Moon Regatta547.71.0956
Double HandedClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStill 900MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.010Max. Beam3.132Draft1.765Displacement2,508Wetted area14.80IMS L6.869LSM06.433Acc. length8.909Sink (kg/mm) 11.24
VCGD-0.039VCGM0.043RM Rated (kg·m) 52.3Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight190
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.293PBW0.075PIPA0.0070
PSD0.025PHD6.000PHL0.200
PSA16.0°ESL0.800
ST10.024ST20.080ST30.115
ST40.045ST50.220
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P11.500IG10.400ISP10.400MDT10.090MDL10.125MDT20.080MDL20.086TL1.900MW0.125GO0.125
E4.250J3.095BAS1.410FSD0.031SFJ0.000SPL3.100WPLTPS0.000BD0.140MWT69.70MCG4.038
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/01/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.871.592.763.6529.3212/03/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment24.6510.40NoNo 24.6212/03/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment110.1910.1910.195.5547.18