Non Spin/HSFClub Certificate2025
RuffenNOR 8806
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles42.7°42.7°40.4°39.3°38.9°38.7°38.8°39.3°40.7°
Beat VMG2.223.033.644.044.224.294.314.294.17
52°3.434.585.345.785.986.056.096.116.07
60°3.624.795.545.936.136.226.266.306.28
75°3.714.915.676.056.286.436.516.596.62
90°3.604.805.616.056.316.506.666.856.94
110°3.144.335.255.906.266.526.747.147.38
120°2.974.125.055.766.176.456.697.137.55
135°2.573.664.615.375.916.256.506.967.42
150°2.133.144.084.855.515.976.286.747.18
Run VMG1.852.723.554.284.935.515.946.486.90
Gybe Angles148.9°148.9°154.1°163.1°170.0°175.4°178.8°179.5°179.6°
APH ToD:679.4CDL: 6.694APH ToT: 0.8831CertNo:6414
BOAT
ClassCUMULUSDesignerPeterNorlinBuilderAlbinAge date01/1979Series date01/1968Offset fileALBCUM.OFFData file6414
HULL
Length Overall8.640 mMaximum Beam2.856 mDraft1.739 mDisplacement3,596 kgDLR9.5615IMS DivisionCruiser/RacerDynamic Allowance0.580%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0010
CREW
Maximum weight432 kg(default)Minimum weight302 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.4519.77Headsail Luffed25.6225.62Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.62Storm Jib5.84Heavy Weather Jib15.75
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
RuffenNOR 8806
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1619.81187.4989.2892.0852.8840.1835.1838.9862.7
52°1049.4786.9673.5622.7601.9594.6591.3589.0593.1
60°995.7751.8649.6607.0587.2578.8575.2571.4573.2
75°970.9733.3634.5594.6573.3560.1553.0546.0543.8
90°1000.6749.3641.3594.7570.9554.0540.4525.6518.7
110°1145.7831.8685.1610.1574.9552.4534.0504.2487.7
120°1213.2873.9712.3625.1583.5558.4538.3505.0477.0
135°1400.0983.5781.2670.5608.7576.1553.6516.9485.0
150°1686.31145.9882.8742.1653.8602.8573.7534.1501.6
Run VMG1948.81323.21015.1842.0730.6653.7605.7555.8521.4
Selected Courses
Windward / Leeward1780.11255.31002.2867.0791.7746.9720.4697.3692.0
All purpose1342.8967.0790.4700.3653.1626.8610.6592.0583.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward830.20.7227
All purpose679.40.8831
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6526
Downwind "popa"0.7335
70% up, 30% down "Ilhabela"0.6749
30% up, 70% down "Ilhabela-inverso"0.7072
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Predominantly Upwind722.90.8300
Predominantly Downwind702.00.8547
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low878.70.6828
Triple Number AP Medium673.80.8905
Triple Number AP High607.70.9874
Triple Number Windward/Leeward Low1180.80.5081
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Single Number Predominant Upwind751.90.7980
Single Number Predominant Reaching680.20.8820
Single Number Predominant Downwind738.20.8127
Predominant Upwind - Low1023.00.5865
Predominant Upwind - Low/Med786.70.7626
Predominant Upwind - Medium699.40.8579
Predominant Upwind - Med/High661.40.9071
Predominant Upwind - High650.90.9218
Predominant Downwind Low1109.50.5408
Predominant Downwind Low/Med804.70.7456
Predominant Downwind Medium674.50.8896
Predominant Downwind Med/High599.71.0005
Predominant Downwind High566.11.0599
Predominant Reaching Low949.00.6323
Predominant Reaching Low/Med721.40.8317
Predominant Reaching Medium632.10.9492
Predominant Reaching Med/High584.81.0259
Predominant Reaching High563.51.0647
SA/DSPL Upwind19.12SA/DSPL Downwind19.12
Scoring OptionTODTOT
5-Band Windward/Leeward Low1324.30.4531
5-Band Windward/Leeward Low/Med960.70.6245
5-Band Windward/Leeward Medium808.30.7423
5-Band Windward/Leeward Med/High727.00.8253
5-Band Windward/Leeward High700.40.8566
Windward/Leeward 60-40 Low1308.60.4585
Windward/Leeward 60-40 Low/Med961.40.6241
Windward/Leeward 60-40 Medium820.00.7317
Windward/Leeward 60-40 Med/High749.20.8008
Windward/Leeward 60-40 High728.80.8233
5-Band AP Low985.80.6087
5-Band AP Low/Med764.40.7850
5-Band AP Medium664.40.9031
5-Band AP Med/High613.80.9776
5-Band AP High593.81.0105
5-Band SF Bay Tour - Low1134.30.5290
5-Band SF Bay Tour - Low/Med917.90.6536
5-Band SF Bay Tour - Medium782.30.7669
5-Band SF Bay Tour - Med/High714.20.8401
5-Band SF Bay Tour - High691.90.8671
Chicago-Mac Upwind0.7758
Chicago-Mac All Purpose0.7830
Chicago-Mac Downwind0.7822
Bayview-Mac Cove Island0.5690
Bayview-Mac Shore0.5753
Harvest Moon Regatta594.41.0094
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance739.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating739.00.8119
FinRating, kevyt tuuli1306.20.7656
FinRating, kova tuuli598.90.8349
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8119
Triple Number Coastal/Long Distance Low0.6828
Triple Number Coastal/Long Distance Medium0.8906
Triple Number Coastal/Long Distance High0.9874
Triple Number Windward/Leeward Low0.5316
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
For information
General Purpose Handicap (GPH)763.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low878.7
Triple Number Coastal/Long Distance Medium673.7
Triple Number Coastal/Long Distance High607.7
Triple Number Windward/Leeward Low1128.7
Triple Number Windward/Leeward Medium823.2
Triple Number Windward/Leeward High718.4
Predominantly Upwind722.9
Predominantly Downwind702.0
Predominantly Reaching667.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6828
Triple Number Coastal/Long Distance Medium0.8906
Triple Number Coastal/Long Distance High0.9874
Triple Number Windward/Leeward Low0.5316
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8352
Coastal/Long Distance0.8119
Predominantly Upwind0.8300
Predominantly Downwind0.8547
For information
General Purpose Handicap (GPH)763.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8831
Distanseseilas Trippeltall svak vind0.6828
Distanseseilas Trippeltall mellomvind0.8906
Distanseseilas Trippeltall sterk vind0.9874
Pølsebane Trippeltall svak vind0.5316
Pølsebane Trippeltall mellomvind0.7289
Pølsebane Trippeltall sterk vind0.8352
Motvind Singeltall0.8300
Medvind Singeltall0.8547
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Coastal/Long Distance739.00.8119
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind722.90.8300
Predominantly Downwind702.00.8547
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore693.60.8650
Cape Doctor Coastal586.31.0234
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6828
Triple Number Coastal/Long Distance Medium0.8906
Triple Number Coastal/Long Distance High0.9874
Triple Number Windward/Leeward Low0.5316
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8352
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6828
Triple Number Coastal/Long Distance Medium0.8906
Triple Number Coastal/Long Distance High0.9874
Triple Number Windward/Leeward Low0.5316
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8352
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Predominantly Upwind722.90.8300
Predominantly Downwind702.00.8547
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance739.00.8119
Triple Number Coastal/Long Distance Low878.70.6828
Triple Number Coastal/Long Distance Medium673.70.8906
Triple Number Coastal/Long Distance High607.70.9874
Triple Number Windward/Leeward Low1128.70.5316
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1915.71262.1946.0785.8696.2650.4617.4567.1554.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low878.70.6828
Triple Number AP Medium673.80.8905
Triple Number AP High607.70.9874
Triple Number Windward/Leeward Low1180.80.5081
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High718.40.8352
Single Number Predominant Upwind751.90.7980
Single Number Predominant Reaching680.20.8820
Single Number Predominant Downwind738.20.8127
Predominant Upwind - Low1023.00.5865
Predominant Upwind - Low/Med786.70.7626
Predominant Upwind - Medium699.40.8579
Predominant Upwind - Med/High661.40.9071
Predominant Upwind - High650.90.9218
Predominant Downwind Low1109.50.5408
Predominant Downwind Low/Med804.70.7456
Predominant Downwind Medium674.50.8896
Predominant Downwind Med/High599.71.0005
Predominant Downwind High566.11.0599
Predominant Reaching Low949.00.6323
Predominant Reaching Low/Med721.40.8317
Predominant Reaching Medium632.10.9492
Predominant Reaching Med/High584.81.0259
Predominant Reaching High563.51.0647
SA/DSPL Upwind19.12SA/DSPL Downwind19.12
Scoring OptionTODTOT
5-Band Windward/Leeward Low1324.30.4531
5-Band Windward/Leeward Low/Med960.70.6245
5-Band Windward/Leeward Medium808.30.7423
5-Band Windward/Leeward Med/High727.00.8253
5-Band Windward/Leeward High700.40.8566
Windward/Leeward 60-40 Low1308.60.4585
Windward/Leeward 60-40 Low/Med961.40.6241
Windward/Leeward 60-40 Medium820.00.7317
Windward/Leeward 60-40 Med/High749.20.8008
Windward/Leeward 60-40 High728.80.8233
5-Band AP Low985.80.6087
5-Band AP Low/Med764.40.7850
5-Band AP Medium664.40.9031
5-Band AP Med/High613.80.9776
5-Band AP High593.81.0105
5-Band SF Bay Tour - Low1134.30.5290
5-Band SF Bay Tour - Low/Med917.90.6536
5-Band SF Bay Tour - Medium782.30.7669
5-Band SF Bay Tour - Med/High714.20.8401
5-Band SF Bay Tour - High691.90.8671
Chicago-Mac Upwind0.7758
Chicago-Mac All Purpose0.7830
Chicago-Mac Downwind0.7822
Bayview-Mac Cove Island0.5690
Bayview-Mac Shore0.5753
Harvest Moon Regatta594.41.0094
Non Spin/HSFClub Certificate2025
RuffenNOR 8806
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCUMULUSMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.640Max. Beam2.856Draft1.739Displacement3,596Wetted area17.52IMS L7.256LSM07.218Acc. length8.640Sink (kg/mm) 11.64
VCGD0.000VCGM0.026RM Rated (kg·m) 45.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight432Declared crew weightN/A
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0010
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P10.700IG10.800ISP10.885MDT10.120MDL10.170MDT20.000MDL20.000TL0.000MW0.000GO0.000
E3.000J3.300BAS1.300FSDFoilSFJ0.000SPL3.460WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
RuffenNOR 8806
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment990-2021051914370.120.661.201.982.5319.4502/01/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment990-2022060317250.060.561.122.333.644.9410.67NoNo 25.6230/05/2022417-2021012714450.060.571.122.313.534.8810.52NoNo 24.8627/01/2021990-2021081711070.050.500.961.812.643.4410.68YesNo 19.0213/07/2021417-2021012714530.060.380.781.512.403.3910.28NoNo 16.5327/01/2021
CRUISER/RACER REQUIREMENTS*
Accommodation length8.6 mTable area0.33 m²Headroom1.55 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity39 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity22 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.